2011 Spring and Fall Meetings and Technical Conferences WWW.NISA.ORG included inmembershipfee. Non-member−back issuesoftechnical publications $25.00each. NISA membershipis$85.00 peryear; foreign membership$100.00US. Technical publications andnewsletters Association Scale isnotresponsibleNational Industrial for statements oropinionsinthispublication. Association. information storage andretrieval systems wihtout fromScale written permission the National Industrial form orby any meansincludingelectronic, photocopying, mechanical, graphical, recording, taping, or ofthiswork coveredAll rights reserved. Nopart by thecopyright hereon may bereproduced orusedinany Association, Scale 35StoningtonNational Industrial Place, GA30068 Marietta, Copyright 2012 C P W E P ncourage ofrequirements proper- observance andregulations pertain ing to theoperation, weighing. ofindustrial businessandpractices rovide aforum for theexchange ofinformation onthetechnology and romote and scope of thescale abetter understandingoftheimportance oordinate andimplement for lawful collective action theimprovement application scales. ofindustrial weights andmeasures activities thewelfare by thepublic, ofthoseengagedin thusfurthering industry general public. community,regulatory ofweighing manufacturers equipment andthe weighingof industrial to themutualbenefitofindustry, users, the and the regulatory community.and theregulatory forork cooperation andunderstandingbetween thescaleindustry National Industrial Scale Association Scale National Industrial The ofthe Goals

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Retired Ed Luthy Ed Jay Visco Jay Eric Boggs 2009 - 2010 2010 - 2011 2005 - 2006 2006 - 2007 2007 - 2008 2004 - 2005 2000 - 2001 2001 - 2002 2002 - 2003 2003 - 2004 Dennis Fox Joe Geisser Mike Smith Mike John Fowler Steve Shelton Steve John Holleman VPG Transducers Bubba Buchhorn Scale Systems, Inc. Scale Systems, Breckbuhler Scales Mettler-Toledo, LLC Mettler-Toledo, A-1 ScaleA-1 Company Systems Associates, Inc. Associates, Systems Rice Lake Weighing Systems Weighing Rice Lake Central Illinois Scale Company Central Cardinal Scale and Mfg. Company Scale and Mfg. Cardinal Past Presidents of the of Presidents Past ABC Scale 1996 -1997 1988 - 1990 1986 - 1988 1990 - 1991 1991 - 1992 1992 - 1993 1997 - 1998 1999 - 2000 1995 - 1996 1993 - 1994 1994 - 1995 Bill McHale Dave Quinn Dave Dennis Davis Max Casanova W.G. GeMeiner W.G. E. Joe Lloyd, Jr. Joe Lloyd, E. Fairbanks Scales Fairbanks Steven J. Beitzel J. Steven Bob Brumbaugh John J. Robinson John J. Shawne Hawkins Shawne National IndustrialNational Scale Association Norfolk Southern Co. Systems Assocates, Inc. Assocates, Systems Peggy L. Cunningham Peggy Systems Associates, Inc. Associates, Systems Ramsey Technologies, Inc. Ramsey Technologies, Kanawha Scales and Systems CXS Transportation CXS Transportation Company Virginia Electric Power Company Electric Power Virginia Association of American Railroads Association Chicago and Northwestern RailroadChicago and Northwestern WWW.NISA.ORG 6 8 1 3 4 5 40 45 49 10 20 24 27 32 35 51 52 53 55 57 57 31

Inside front cover Inside front ......

Bill Miller and Steve Rowlands, Mettler-Toledo, LLC Mettler-Toledo, Rowlands, Bill Miller and Steve and Silos Vessels for Inventory System Weight-Based A Inc. Scale-Tron, Robin Shepherdson, Alternative - A Railcar Measurement Loading Force Centripetal Scale Carlton Kevin Bixby, Bill Rosser, Rely-On Weighing Systems Weighing Rely-On Bill Rosser, In-Motion SensorsWheel for Scales Rail Scale LLC Mettler-Toledo, Wagstaff, Bud Scale ManufacturersThe Association LLC Mettler-Toledo, Flocken, Darrell Optimization Plant Belt Scale Collection for Data Group Technologies MCR Keller, Steve Massachusetts DepartmentCharles Carroll, of Standards Update and Weights Measures NIST Office of and Weights Measures Cook, NIST Office of Steven Automation Technology and Efficiency Station with Weigh Increasing Lawrence Stump, Director, Indiana State Department of Health, Division of Weights & Measures Weights Department Indiana State of Health, Division of Director, Stump, Lawrence Performance Different Same Profile, Design Products Vibration CEC Jaime SanPedro, Systems Cell Load Capacitance Northeast US Weights and Measures Weights Northeast US Indiana State Department of Health Division of Weights & Measures Motor Fuel Inspection Program, Inspection Program, Motor Fuel & Measures Weights DepartmentIndiana State of Health Division of 2009 - 2010 Annual Report2009 - 2010 Annual

Attendees, Spring 2011 Attendees, 2 About the front cover, from top to bottom: Coupled-In-Motion wheel sensor layout simulation software; simulation silo Coupled-In-Motion wheel sensor layout bottom: to top from cover, the front About layout. WIM station automated graph; trend weighing Technical Presentations Technical Maine Portland, Conference, Technical Meeting and NISA 2011 Fall NISA 2011 Spring Meeting and Technical Conference, Indianapolis, Indiana Indianapolis, Conference, Technical MeetingNISA 2011 Spring and The Goals of the National Industrial Goals Scale National of the The Association Table of Contents of Table Past Presidents of the National Industrial Scale of the National Association Presidents Past Attendees, Fall 2011 Fall Attendees, NISA Sponsors Papers for Call NISA 2012 Officers NISA 2012 Directors Officers Directors Technical Presentations Technical WWW.NISA.ORG WWW.NISA.ORG 3 - - Kevin McFadden Kevin Chairman Program Kevin has been working in the weighing is the He currently industry 8 years. for the Consultative for Leader R&D Group Mettler-Toledo, business for Products Vehicle specializing in solutions such as in Motion (WIM),Weigh Rail in Coupled Jay Visco Jay President Past has been working Jay in the load cell industry manufac the major load cell for He started with 39 yrs. his career for turers - Techni Test BLH Electronics as a in 1973 his education cian, while he continued division of Boston a technical at night at University known as Franklin Institute. In Institute. 1983, he joined HBM as knownUniversity as Franklin the position of In into - Supervisora Production moved and later as an Industrial In hired Engineer/ 1988, he was dustrial Engineer. known of the company employee Manager as the 3rd Production In 1999, he re-joined HBM as an OEM Sales as Flintec. today Vishay joining before 5 years, for he remained where Manager, $35M in sales, over for he is responsible Today Group. Precision service and customer the Ameri- the sales teams managing for OEM accounts large various, cas and handling direct sales for is in “virtual global office” His the USA and Canada. throughout Denise with his wife, he resides Massachusetts where Waltham, sports, motor His hobbies include his son’s and son, Matthew. books and the challenges of his work. music, golf, cycles, Motion (CIM), and OEM product development. Prior to this, Kevin this, to Prior and OEM product development. Motion (CIM), manu- and automotive in the semiconductor equipment worked in Engineering degree facturing He holds a Bachelor’s industries. in Management and a Master’s University Ohio State The from and Kevin Institute. Rensselaer Polytechnic from Technology of His Ohio with their 2 daughters. Westerville, in live Leslie his wife cooking and travel. hiking, hunting, hobbies include cycling, -

John Fowler President He started industry. out with Fairbanks equipment in the weighing after 34 years retired John recently of heavyproductfor the sales and capacity management scales responsible was years and fifteen Scales for vehicle European years as including five Toledo with Mettler years seventeen He then spent and systems. of the University John attended Systems. Weighing with Rice Lake were years last two The scale manager. and a son, Gary and Fowler Alison a daughter, have They Debbie. of 39 years, Kansas his wife he met where Ohio. in Delaware, kids. Debbie John and reside Tennessee great of two grandparents the proud are Mike Powers President Vice A life-long Mike of Illinois, native Univer Illinois from State graduated in AG sity a BS degree in 1980 with years few his first He spent Business. busi- in the insurance after graduation sales and and in 1986 began his ness, Bob Feezor Secretary/Treasurer Norfolk from SouthernBob Rail retired - he began a thirty-year where career road as the first Electronic Scale Inspector in career He ended his railroad the country. of service twenty years as Su- with over joining the Before of Scales. perintendent

service career in the scale industry. He joined Central Illinois Scale He joined Central servicethe scale industry. in career Mike’s Ill. office. in its Bartonville, in 2002 as a sales representative attained the and ISWM. He include NISA affiliations professional ISWM Certified in 2004. Sales Specialist designation Mike and his stepchildren grown Ill., and he has two in Peoria, Dana reside wife golf reading, In time he enjoys his spare grandchildren. and four and being a fan of most spectator sports. Officers railroad, he learned his electronic skills courtesy of the U.S. Navy, he learned his electronic skills Navy, courtesyrailroad, of the U.S. years. for several as a field engineer Amet Streeter for and worked (SCAT), Testing and of Scale Consulting owner Bob is currently Denise in Marietta, with his wife GA and resides WWW.NISA.ORG WWW.NISA.ORG Brian Kotylak - the Canadi Brian Kotylak for works in the Safety Risk Railway an Pacific Management Department, as Man- reportingager of Scale Operations, office. out of the Calgary (Canada) 33 over Brian has been with CP for - and has been in the Engi years Norman Brucker Norman Norm Brucker started his career Scales and then with Fairbanks Northern Great for Railway, worked Northernthe Burlington lastly, and, 33 years After the BNSF Railroad. and is retired he with the railroads, stay to doing some consulting now - He is still a member of the NCWM, Com AREMA busy. 34 and NISA. mittee neering, Transportation and Mechnical Departments. Transportation neering, 34 and Committee He is also a member of AREMA - opera railway has several NCWM. Pacific Canadian including the SOO Line, States, tions in the United D&H, DME and ICE. - - Dean Smith Kansas, Dean from A farm boy with acquainted became well in his scales when he worked In plant. sand and gravel family’s pit and 1967, Dean left the gravel he was where Colorado, to moved to drafted and sent subsequently Steve Bloemker Steve the Canadian by is employed Steve Railroad as the Chief ScaleNational a position he has held Inspector, the for work 1994. He began since Railroad in 1973 as a Illinois Central afterattending pipefitter Kaskaskia serves He currently as College. vice-chairman Commit AREMA for

tee 34 and is a NISA member. Steve and his wife Deb his wife and Steve 34 and is a NISA member. tee bie live in Centralia, IL, and have two married children married two children IL, and have in Centralia, bie live and one grandson.

4 Directors Vietnam. In 1970, he went to work for Hammel Scale, Hammel Scale, for work to In 1970, he went Vietnam. he worked Later, Mettler-Toledo. for a distributor and eventually in Denver Mettler-Toledo directly for founded the Salt In 1991 he Lake City to office. moved industry the weighing D&G Scale to Inc. Dedicated six Dean has been a member of NISA for 38 years, for and office in Salt Lake City with his wife He lives years. sons and a daughter. two have They Bonnie. manager, WWW.NISA.ORG WWW.NISA.ORG 5

Indianapolis, IndianaIndianapolis, 2011 Spring Meeting and Technical Conference Technical 2011 Spring Meeting and National IndustrialNational Scale Association Technical Presentations Technical WWW.NISA.ORG WWW.NISA.ORG - - -

three weeks. three InspectionsDevice measuring and weighing commercially-used All performed are (83) eighty by within the State devices Inspec and Measures Weights and Local State three inspected in were devices of 134,666 A total tors. basis The of 5 percent. 2009-2010 with a rejection rate and statutory authority all inspection for activities are IC law and Measures Weights in the Indiana found 24-6-3-2. Inspection Program Fuel Motor Quality which the pro by sampling is the method - prod collects annually samples of petroleum gram laboratory. or private State ucts quality by analysis for octane determine Sampling is conducted to rating, products of petroleum content and water volatility of oxygenates the presence determine as to as well of 1,138 gasoline samples A total such as ethanol. sale of 19 stop and a total inspected this year were is issued the service a stop-saleWhen order orders. dispensing the misla- can either stop owner station the gasoline dispenser to beled gasoline or relabel to refuses owner reflectIf the the true octanerating. the inspector gasoline rejected will padlock do either, law. of State in violation are dispensers that Goods InspectionsPrepackaged unannounced Inspections regular, conducted at are commodities intervals the Division. Prepackaged by items, –packaged delicatessen such as store meats, milk, and motor foods, candies, bulk specialty coffee, accuracythe labeled the of ensure inspected to are oil the for only pays Consumer net quantity statement. of the product, not the packaging mate net weight - - Lawrence Stump Lawrence & Measures Weights of Division Director,

6 The County and City Inspectors County Program The shall of 30,000 or more with a population County and measures a weights the authority have to have if the provide City may The inspection program. of 56 a total are There is 20,000 or more. population and Citylocal County jurisdictions of in the State Division the State Indiana. In the other 39 counties, Division of This has jurisdiction all inspections. over - of train has the responsibility and Measures Weights inspectors and measures new local weights ing four lasts about the field training inspector, Per this year. Program areas within the Division within the of areas Program and Measures Weights sponsibility is to protect the citizens and merchants of of merchants and citizens the sponsibilityprotect to is and varied enforcement Indiana numerous through and measure delivery weight The of proper activities. in and misrepresentation of fraud and the elimination objectives been the of transaction have commercial 1911. in March its inception this Division since inspectorsMeasures both the and protect Weights equity providing by interests and seller’s buyer’s Inspectors and test in the marketplace. examine certified everyweighing and with State standards of in the State commercially used measuring device Indiana. In addition, inspectors checkweigh various inspectorThe also review prepackaged commodities. fuel qual- motor compliance, commodity for labels inspec The calibrations. ity and metrology testing to in regards complaints consumer investigates tor shortages the buyer or unfair practices and educates the by their rights provided as to and seller generally Laws. and Measures Weights Indiana The Division of Weights and Measures primaryMeasures and re Weights Division of The Indiana State DepartmentIndiana State of Health

Inspection Program, 2009 - 2010 Annual Report Annual 2009 - 2010 Inspection Program, Division of Weights & Measures Motor Fuel Fuel Motor & Measures Weights of Division WWW.NISA.ORG WWW.NISA.ORG 7 - - al and commercial weighing and measuring devices and measuring devices weighing al and commercial of 2.8 percent. with a rejection rate tested were Indiana Laboratory is the sixth Metrology in State National certified become to the Nation under NIST’s (NVLAP) Program Laboratory Accreditation Voluntary back in January 2001. NVLAP certification estab and weights international link to lishes a traceable ISO-9000 by and ISO as required standards measures - com a vitally importantThis Indiana’s to Guide 24. contact work, the scientific, to panies doing federal industries sell that and automobile pharmaceutical, NVLAP maintain to their products internationally Certification. process laboratoryThe established a continuous has has that and improvement of quality maintenance offer and to stature in professional grow enabled it to industry services Indiana’s to in responding improved as the support as well and needs, of trade calibration equity in the marketplace. ery two years. The calibration of a service company’s of a service calibration The company’s ery years. two is performed equipment and testing a standards once industritotal of 9,049 a year 2009-2010, In fiscal year. -

rial. A total of 215,902 inspected of 215,902 A total 16,714 short and rial. net percent. of 7.7 or rejection rate violations weight Laboratory Metrology The and Laboratory Metrology custody maintains The Indiana of the primarysafekeeping of standards These time and temperature. length, volume, mass, and testing all other standards which to standards are The Standards. the NIST to compared are equipment States United the by Indiana laboratory is recognized Institute- of Stan National Department of Commerce Voluntary National or NIST and Technology and dards or NVLAP. Program Laboratory Accreditation services measurement for LaboratoryThe provides regulations and measures of weights enforcement and calibrating testing by in the legal metrology and Local the State all working used by standards It inspectors. and measures provides also weights - and govern industry, business, services Indiana’s for testing by standards in metrology agencies ment working used in trade, and calibrating standards of the calibration The and manufacturing. commerce and State used by equipment and testing standards ev tested inspectors are and measures weights Local WWW.NISA.ORG WWW.NISA.ORG After seeing cracks on this one load cell, we checked we cell, on this one load seeing cracks After the same problem. units and found of seven the rest and about the cracks, informed So was the customer with the repairs. proceed couldn’t we them that we be done to could then asked what customer The I’d happening again, and I said that this from prevent him in an hour or do some studies and get back to making the hole with the cavity, around I played so. still high. I was level the stress no avail: but to bigger, started and got rid of the get outside the paradigm to wire the only purpose of the hole is for holes; after all, the next one cavity to cavity going from termination four of a total for placed) gages are the strain (where cavities. spot in the found a sweet trials I finally several After vertically positioned larger, I made two cavity where The placed. small horizontally of two instead holes, about 40%. to dropped level stress of the load the FEA analysis shows image below The the where repair, for customer from received cell 161 ksi on the small holes. was level highest stress - - - - Jaime SanPedro Jaime Engineer Design Cell Chief Load CEC Vibration Products

While calibrating, load cell was doing all right until it all right until doing was cell load calibrating, While the about 200,000 lbs load; then, somehow, reached started erratic. meter become on display to reading will contrib that checked everySo we possible ways such as checking binding this type to of error, ute - fixtures and eventu and calibration load cell between a mo head for my I scratched So, nothing. ally found perhaps I should run FEA. I myself, and said to ment, to started this ill load cell measure using calipers to out and found did simulations a solid model, create gage the strain a small hole in the cavity where that of 160,000 psi. I immediately level has stress is placed the where sandblast one area to our technician told as seen in the hair line cracks, and found hole located, image below. It is really amazing how technology like Finite Ele like Finite technology It how amazing is really ment Analysis helps where months of math calcula- of math months where helps Analysis ment -- or using a calculator tions in the old fashioned way that some of us remember in some cases a slide rule, impress in school to I only used that K&E? By the way, jeans. of my it in the back pocket wearing the girls, can be done in the calculation with FEA tech, Now, generally. less than a minute to concept from load cells designing from Aside niche markets is production, of our company’s one a double- received we One day load cells. repairing ended beam high capacity load (400,000 lbs) range and started trouble below, like the ones shown cell, shooting.

8 Same Design Profile, Different Performance Different Same Profile, Design WWW.NISA.ORG WWW.NISA.ORG 9 122,948 166,645 S max., psi 930 Load-2.5k 1.0 -0.9 direction as shown 74,656 73,854 No groove and Load at 90° at and Load No groove 93° at and Load No groove S at middle, psi S at middle, L/C with groove at bottom but load is 90° bottom at L/C with groove The table below summarizes my findings; I would like findings; I my summarizes table below The title: my to the beginning, going back to by end to different look the same but have might load cells performance. - 122,917 178,356 S max., psi 900 Load-2.5k 73,957 74,556 S at middle, psi S at middle, L/C with Groove at bottom and Load 3° offset and Load bottom at L/C with Groove

with Grooved Strain Gage Area (%) Gage Strain Area 930 with Grooved 900 to Changed from Gage Strain Area 930 with Ungrooved 900 to Changed from No groove With groove With Some people might ask why I reportSome ask why these findings in people might - advan our discovery to use that when I could public, can a make a better if you is that My response tage. know be near might never who You not? why world, -- it cells load design this structure these inferior with ones. of our loved be one might when I was one day discovery occurred Another anoth- business and got a call from own minding my calibrating problems having were They er customer. used one typical scale that single ended a platform claimed that customer The each corner. beam 2.5k at 5,000 lb scale on the getting a -50 lb error they were on the corner. when a load placed a load that So and found I did another simulation negative will have on its bottom with a groove cell without a groove, load cell to nonlinearity compared But non-linearity side positive. where will go opposite is without groove level the stress most importantly, without groove. much less than in the load cell sults shown above, we received an order of over $10k of over an order received we above, sults shown work. a day’s bad for -- not so The next image shows the new design, where stress stress where new design, the nextThe image shows re the presented we After 96ksi. to dropped has level WWW.NISA.ORG WWW.NISA.ORG - Acting Area of the plates Acting Area and the plates, between Distance the plates Insulator between charge will change depending on one of three basic on one of three will change depending charge characteristics: • • • they interact and how characteristics, three These a capacitance mechanism and how does it work? At At does it work? mechanism and how a capacitance hav by place takes circuit a capacitance its simplest, between with an insulator conductinging two plates an the plates, is applied to a voltage When them. This on the plates. appears charge equal and opposite - - Bill Rosser Rely-On Weighing Systems

10 The Technology The will be discussing look the Most of the products we familiar are same as the strain-gage you load cells they are Since with and can be used in similar ways. support frighten staff that electronic they shouldn’t - restora force deal with mechanical, not wish to might weighing unusual and specialized more tion or even technologies. a difficult evaluate will be able to My you hope is that and under after this presentation site application technology weighing this capacitance stand that and reliable robust with a more you provide might As de before. offer able to were than you systems there scribed on the title page of this presentation - technol capacitance utilize sensors that many are fulfill functionsogy to in an industrial environment. thickness and displacement, measurement, Distance - all com and positioning sensors are sensing, level based a capacitance utilize mon mechanisms that performoutput change to their functions. So is what

Thank you for allowing me to present an overview present me to allowing for you Thank and based load cells of the EILERSEN capacitance I hope to today In the presentation systems. weighing things. with three you provide an overview and some of the technology give I’ll First, - using this technol consider wish to may you reasons applications. weighing environment ogy in severe some applica- with you share like to I would Second, - tech of some of these advantages take tions that some mobile I will be highlighting nology benefits. this. trucks for with applications discussing a new technology are we since Finally, I instrumentation, with existing which is incompatible a brief overview- you of the instrumenta give to want support to tion available this technology. Capacitance Load Cell Systems Cell Load Capacitance Sites Application Difficult in Advantages Their WWW.NISA.ORG WWW.NISA.ORG 11 In a strain gage based load cell, as we all know, the all know, as we In gage based load cell, a strain and body, the load cell to itself is attached gage strain gage is deformed when a load is applied the strain is what body and this deformation with the load cell change. the signal generates the load cell that below the graphic can see by You distorts and if the load deformation gage, the strain body is distorted gage can be cell much the strain too damaged as well. Starting EILERSEN ELECTIC in 1969 - tech used this diesel sensor for a high pressure develop nology to it well so worked technology The injection system. tun- has been fine Eilersen worldwide. patented was a number technology through the ing and refining of weighing capable and is now of model revisions on with OIML approvals tolerances trade legal for to load cells. their most popular time, Not only has accuracy over been enhanced itself provides of the technology but the advantages to the more compared bonuses some significant all are we strain-gagecommon base technologies used to. of these advantages first just the highlight two To Overloads 1000% of to and two. lines one look at capacity and simplified mechanical installa- rated in the structures inherent are Both advantages tions. to easiest way The based load cell. of a capacitance - the com between this is with a comparison explain and a typical gage based load cell capaci- mon strain of the same type load cell and capacity. tance

- this presenta to in the introduction mentioned I As - is rela industrial weighing for tion this technology it has unknowntively in North America. However, are that in a number of OEM designs been utilized Vibratory used often in American industrial sites. - garbage truck lift in-line weigh mechanisms, feeders, all examples scales are and conveyor ing systems, has been used of some of the uses this technology within. - based weigh other capacitance are there Although instance for scales - some bathroom ing technologies are we in this presentation that - it should be noted only discussing high accuracy industrial weighing will see further we the As into products. application these industrial require applications presentation or unnecessary less robust are that for some features requirements. accurate with each other, is the basis for “change” occurring in “change” for is the basis other, with each It measure we the changes that is charge. the output function seek. the weighing determine we to WWW.NISA.ORG WWW.NISA.ORG Since capacitance based load cells are also of simi- are based load cells capacitance Since easy to gages it is also lar shape and usage as strain sites. applications existing them into utilize and single point compression, Beam canister type, format. in a capacitance all available are load cells 500,000-kg and the 2-kg to from range Capacities strain with similar to typically compatible are ranges gage units. Combined with hermetic sealing and purging of the with hermetic sealing and purging Combined see can you location, sensors physical capacitance deal with can be we of the typical hazards many that approach. with this avoided - simplified mechanical instal advantage, second The this ability directly to attributable of the are lations In the easiest abuse. handle to load cell capacitance a beam type can simply be bolted load cell example, structure and the be can either end of the load cell at certain simplification This - device. used as a weighing and loading sophisticated the more ly makes some of a require mechanisms other technologies mounting and with cost both in initial alternative less attractive necessity of a mounting The time. over maintenance a to package points adds complexity and wear that is virtually gage based load cell, with a strain system approach. with the capacitance eliminated lift is the garbageA good example container load cell the Simple bolts hold the unit between below. shown side and dead side of the lift. live

12 Whether we deal with a single point load cell body or load cell point deal with a single we Whether type the capacitance body structure, a compression extraneousloads and from isolated sensors remain shocks. In a capacitance structure, the sensor itself is not the sensor itself In structure, a capacitance It is the distance body. the load cell to attached the sensor and the body structurebetween that less susceptibility to for allows This is measured. It for and shock load situations. allows also overload mechanical structures the in robust thicker and more body itself. load cell WWW.NISA.ORG WWW.NISA.ORG 13 Second, the cable is not part Second, circuit the load cell of or accuracy/ impactand has no calibration on system the to power provides cable only The repeatability. the from output communication a data and load cell load cell. a cable can means that This im- length without be cut to after even pacting resistance, Changes calibration. system in manufacturing structure cell of load and distances a new just require placement a (or even cable be installed cable. the existing onto cable spliced in case of damage replaced can also be field Cables often Imagine in how calibration. with no change to mill a cable is cut or burnt which necessitates a steel a – now load cell of the entire or repair replacement back up and simple cable change gets the customer Seen the right is a disconnected cable to running. load cell. point a single in this case to attaches that a 24VDC- by the load cell is supplied to power Third, The locally in most areas). supply (available 2A power as all as well 8- load cells up to 2A supply will power modules and ancillary communications electronics, to moved now have most PLCs Since components. application automation in systems a 24VDC supply, supply. the existing can typically tap right into you supply is a typical below 120V > 24VDC power Shown if shipping your Obviously Rhino as an example. from an appropriate location an overseas to equipment be selected. would input voltage make a difference? So reliability does this enhanced load a hydraulic Some will recommend companies on the you note but if difficult applications, for cell chart offers based system the right the capacitance to most of the same advantages. and unique the reliability discussed already have We as some as well sensors, of capacitance technology - -

- of the con gage many is no strain there since First, accept had to have you costs and the have, you cerns gage the strain Since no longer required. are till now compo is the most susceptible inside the load cell of the the reliability damage, to in the load cell nent this component. eliminating goes up by load cell is on a tank that can weld you a single example, As without remov supported load cells capacitance by Many specialty applications are readily available with available readily specialty are Many applications load cells tensioning web The as well. this technology for special software available also have above shown will be dis- We these load cells. to match to download in the presentation length later greater cussing this at common are “specials” this time that at but just note “fits” because it practice when using this technology other products find difficult. that sites into tech- specifics of this discuss some more we Before - exam more discuss a few to nology it is appropriate if a capacitance determining when remember ples to needs. your for is appropriate system load cell ing the load cell from the tank installation (we do (we the tank installation from ing the load cell not would This disconnecting the cable). recommend load cells. most for be appropriate WWW.NISA.ORG WWW.NISA.ORG - weighing is a common use for these capacitance load these capacitance use for is a common weighing cells. size? sensor’s The need to is the “cost” A big portion of an installations The space. given a a sensor into mount effectively particularly load cells, sizes capacitance in the larger Looking at capacity. very their rated are compact for the FD can see that we load cell (110,000- lb) a 50-ton (actually in diameter 115mm) and series unit is only 5” tall. 3” As I have highlighted before, the use of capacitance the use of capacitance before, highlighted I have As technolo common as the more is as flexible load cells they can be installed load cells, compression As gies. blenders and other weighing hoppers, under tanks, Beam type (whether in load cells as desired. vessels can be inserted or compression) easily into tension (A 500-ton load cell is only 10” in diameter and 6” high) and 6” in diameter is only 10” load cell 500-ton (A Flexibility?

14 As we stated earlier, the EILERSEN capacitance based the EILERSEN capacitance earlier, stated we As been fine-tunedyears the last 40 have over load cell - and avail capable, now they are where point the to most products for approved trade in legal for able, applications. weighing of medium, a choice Most have models of load cells high and extreme accuracy dependent specifications an example, As requirements. application upon your the SD-series the right to beam type shown load cell in OIML C1, C2 and C3 versions. is available Speed of response? during better also respond load cells Capacitance combined thicker flexures The in-motion applications. in the sensor “ringing” with less deflectionreduces High speed promptly. settles more and the weight when we are talking it applications are about weighing when we absolutely are that items a few to gets down really meeting a user needs. critical to So about accuracy? what of the component advantages when using them. But advantages of the component WWW.NISA.ORG WWW.NISA.ORG - - 15 We do offer an optional mount for attachment to attachment for an optional mount do offer We on the drawing circled shown as devices weighing assembly has a can be seen the mount As below. cylinder as partPor90 - aid in com of the structure to on the structure conditions unlevel any for pensating will be looking we some at Later to. being mounted heavy duty with spherical mountings bearings in- the similar reasons. stalled for ing with the mounting welds being made to the bot to being made welds the mounting ing with is shown cable The structure. of the tank/hopper tom recommend we again when welding but attached, from transients disconnecting prevent to the cable further the instrumentation in to upstream travelling the installation. ers and other weighing devices. weighing ers and other type beam in this draw can also be seen The cell load Some interesting applications Some interesting been looking the types at have of we Up till this point - of this tech the advantages load cells, capacitance in this nology and some similarities and differences At products. common more to compared technology review to like I would in the presentation this point of the take advantage that some specific applications and that technology of the capacitance robustness the simplicity because of show of some installations this. at is on-board we will look first application The use of 6 each 7,000-kg The of truck bodies. weighing

Similar installations of beam type can be Similar installations load cells - vibratory feed scales, platform made on converyors, Although requiring anti-lift devices if exposed to to anti-lift if exposed requiring devices Although basic compression the activity, wind shear or seismic than a nothing more requires application load cell of the flange or the bottom to ring mounted capture supporting for and a load plate load the leg, vessel those to available always are upon. Drawings cell build their own. to wanting reviewing can see the simplicity by of installation You supports FD series load cell This a right. the picture at flange support.vessel Beam type load even are cells install. easier to it is pos- Since even weld sible to when a load cell is in contact with the tank or vessel without damaging to the tank welded flange can be a small the load cell, then simply position correctly, to or scale platform end) end and one dead ends (one live bolt the two simple an installa- how the right shows picture to The equi- located are of these load cells Three tion can be. of the hopper. about the outside diameter distant existing equipment with minimal impact with equipment and existing on size shape. WWW.NISA.ORG WWW.NISA.ORG The cables’ lengths are flexible as well as field well as field as flexible lengths are cables’ The - recali system without or repairable, replaceable bration. both ends of fasten is simple just mounting The with bolts or welding. the load cells and hermetically sealed and purged, units are The and they will not constructed steel of stainless are roadways. salted be damaged by been installed have of installations 1000’s northernthroughout in the last 20-years Europe due technology of the load cells with no failures use. or prolonged conditions environmental to • • • • Other of mobile type take advantage installations Specials can the same capabilities and advantages. as the requirements specific be manufactured for The mobile installation flexible. are designs load cell turned 90° mounting the load cell the right shows to dumping. the truck body can be emptied by so that - 400% overload rating means the trucks can travel the trucks can travel means rating 400% overload without destruction of load roadways rough over cells.

16 ing of the load cell (SD70 type) before painting or painting (SD70 type)ing of the load cell before of the vehicle. undercoating in this type load cell of of the capacitance Advantages are: mobile installation • The 3rd photo (above, right) shows clearly the mount right) shows (above, photo 3rd The The GE20-AX bearing is available from multiple from bearing is available GE20-AX The and is easily procured. worldwide sources in the 2nd picture. detail is shown Greater load cells supportsload cells as well the truck body dead load be loaded would that quantity of net materials as any in specialty Obviously, a truck body of this size. into the can be added to or less load cells more situations support to truck frame specialty boxes. can be seen in details of the installation Additional a using are In we this application the picture below. vari- for spherical compensate bearing to GE 20-AX of dif- and the strains in the truck frame/body ances longer structures. loads over ferent WWW.NISA.ORG WWW.NISA.ORG 17 through serial ports. Call for details. serial ports.through for Call * Note: Some * Note: interfacing has succeeded instruments existing to Both series of units have the same accuracy ratings, the same accuracy ratings, Both series of units have - through highlighted have we the same advantages and the same flexibility in out this presentation It and installations. is only the positioning mounting changes (and standard reference of the calibrations of this component). the protection it is im- technology the capacitance look at we When portant with it is not compatible understand that to based electronic gage packages.strain its It requires package unique instrumentation own *. The 4000 series products have inserted 4000 series- products this calibra The have can see the You itself. the load cells into tion circuit two the between configurations in systems difference their product comparing sheets. series by load cell technology. load cell the with shown series 2000 productsare The It module. the MCE2010 that is calibration MCE2010 the series 2000 load for values the calibration stores cells.

- electronic read advances, Technological modules outs and communication - of this presen the beginning discussed at have we As a number of has gone through this technology tation legal for allowed have that enhancements technology without the reduction tolerances weighing trade for side load and shock load and overload, of reliability in also been advancements have There protections. the electronics which support based the capacitance Applications support is also available for nonmobile supportApplications for is also available tensioning web Many a special nature. of applications but in many in the marketplace, available are systems hardware mounting significant cases they require inherent are side loads that against the protect to the load cell a capacitance With in the application. - the rea for much less of a problem are side forces are Forces earliersons explained in this presentation. of being modified instead the sensor, by directly read or points pivot with flexures, hardware mounting by plates. “mash” The dump body pivots around the load cell mounts. mounts. cell the load around body pivots dump The supporting the of Unseen are in the front load cells body. a scale show load cells mounted nextThe vehicle door/lift the rear on the built directly into platform truck. No specialty locking necessary mechanisms are side as their SD serieswhen using these load cells support them to allows the scale platform load rating for legal maintain and still on its side during travels, of pickups accuracy and deliveries. trade on weighing WWW.NISA.ORG WWW.NISA.ORG - Although a Stainless steel enclosure is shown, other is shown, enclosure steel a Stainless Although allows and if space packagesless costly available, are easily on can fit these components panel, PLC in your the backplaneto of the enclosure. sche a series pictures of systems show following The Output Analog module can be configured The of the on the front the 5 small buttons through with both 4-20ma or 0- 10V module and is available outputs matics for both simple and complex packages. both simple and complex for matics with digital input system 4 load cell is a simple This systems the capacitance to One advantage readout. 325-ft up to route cables can be the load cell is that with no degradation the instrumentation from away strength. in signal package complex with a more shows schematic This analog output module shown. -

18 The panel mounted packages with both a shown panel mounted The are in the count component complex simple and a more picture below. Finally there are ATEX approved power supplies for supplies for power approved ATEX are there Finally the right is a To available. installations area hazardous an electron- for typical schematic 4000-series system zone hazard ATEX approved ics package an offers that channel interface, 4 input a LED digital supply, power DP interface module. (9625L) with a Profibus readout in both is available readout 9625 model digital The or stand with panel mount and LED versions LCD panel front or complex and simple alone enclosures, keyboards. back onto existing PLC power supplies. power PLC existing back onto Eilersen Electric does offer however a broad range of range a broad Eilersen Electric however does offer indicators weight stand alone from instrumentation interface that modules most with communications to controllers. and PC based PLC’s of popular brands some interfacing(*) Note: has instruments existing to details. the serial ports. for through Call occurred or panel mounted panels can be stand-alone Control 24VDC always supplies are Power with other controls. earlier) and so can oftenbased (as mentioned piggy WWW.NISA.ORG WWW.NISA.ORG 19 Finally, instrumentation products are being improved being improved products are instrumentation Finally, in support in a constant cells load capacitance of the instrument is the latest here Shown well. manner as package in the near available which will be the 5024G package as a stand-alone instrument future which output with Ethernet IP and Analog standard comes I/O. as digital capability as wells

The package above shows a system with 8+8 Digital with 8+8 Digital a system package shows The above control. process outputs for inputs and interface or the PLC be set through I/O can Digital keyboard. the readout through mod- communication “blind” of a is an example Here functions with all the control a PLC provides ule that selection,weight graduation and output (filters, screen display output) but uses the PLC data indicator HMI. for WWW.NISA.ORG WWW.NISA.ORG Rail-Integrated Strain Gauge Strain Rail-Integrated Proximity wheel detectors on a railroad scale wheel detectors on a railroad Proximity Inductive Proximity sensors are metal detectors that metal detectors that sensors are Inductive Proximity change when a metal object a logic signal obstructs The inductancecoil of wire of a field. its magnetic when a metal object is inside the sensor is reduced voltage is a There field. within its magnetic present the monitoring or frequency counter comparator the inductanceWhen is output of a tuned circuit. the metal object or frequency by the voltage reduced - com the changes and activates of the tuned circuit using Direction can also be sensed by output. parator inductivetwo coils. Gauge Strain gauge strain the When on sensor is mounted a becomes it the rail wheel sen- rail native gauge (the strain sor. itself) No additional be wheel sensors may required. Inductive Proximity - Most In-Motioninductive use proxim scales now rail of the reliability and high cost low The ity sensors. axle preferred sensor makes it the inductive proximity in use today. technology counting - - Bud Wagstaff LLC Mettler-Toledo, Treadle Switch Treadle

20 tive Switch, Strain Gauge, or Optical sensor. Induc or Optical sensor. Gauge, Strain Switch, tive Switch Treadle Switches Treadle were wheel sensors rail original The - switch Treadle systems. and safety signaling used for con- rail wheel the flange of the by activated es are failure to prone sensors are These tacting arm. a lever parts moving due to and contact with the railcar opportunitygreat a for an These offer wheel flanges. costs. maintenance reduce to upgrade Common Rail Wheel Sensors Wheel Rail Common What is a Railroad Wheel Detector? Wheel is a Railroad What detect wheel detector is used to and count railcar The on the point a fixed axle as it passes over each train detect used to methods the several are There tracks. Induc Switch, Treadle each axle: wheel and count most common Gauges and Strain are Switches tive mechanical construction primarily the robust due to of these types of sensors.

Rail wheel sensors allow in-motion railcar weighing weighing Rail in-motion railcar allow wheel sensors productivity users with a safer, railroad provides that - weigh existing solution. Many enhancing weighing updating and require old, 25+ years are ing systems of the art state - current technol to the axle counting article axle sensors This and how why explains ogy. scale systems. railroad used for are Rail Scale Wheel Sensors for In-Motion SensorsWheel for Scales Rail Scale WWW.NISA.ORG WWW.NISA.ORG - 21 Integrated Rail Joint Integrated to be inserted. Such joints introduce a weak point in point a weak be inserted. introduce to joints Such The occur. to likely is more rail broken a where the rail, to can be traced failures circuit track many cause of joints. rail with insulated problems Axle counters are part are of in-motion railroad Axle counters scales the In is built into Motion- scale con Axle counting sampling with the the weight synchronize to troller wheels on the scale platform. railcar of the location possible of train also keeps track axle counter The Scale process. direction changes during the weighing proprietary wheel manufacturers have methods for typeThe interpretation. and logic sensor placement each scale for in use and locomotives stock of rolling and sensor placement the proper determine site the speed and movement Also interpretation. logic Rail Scales benefit from advances in axle Rail advances Scales from benefit technology counting depending more are systems signaling railroad The simple track besides on other technologies and more a requires technology axle counting Since circuits. kind the testing any of failure for tolerance near-zero becomes systems counting of axle and qualification over systems makes axle counter This stringent. more as well. systems scale for reliable and more all more - Scale Requirements PC Application to Test Wheel Sensor Arrangements for Specific for Sensor Arrangements Wheel Test to PC Application Fiber Optic Wheel Load Sensor Load Wheel Optic Fiber

Axle-counting wheel sensors are used by railroads for Axle-counting for railroads used by sensors are wheel now, – Europe and signaling monitoring track railroad in Northsome installations the America. By counting of the tunnel or bridge and exit the entrance axles at depot operations the train signals the axle counter - Axle coun section the track that is clear or occupied. where tunnels, such as wet used in places are ters unreliable. ordinary are circuits track structures, also useful on steel are Axle counters circuits. of track the normal operation which prevent sections also useful on long are where Axle counters Axle be saved. may circuits track intermediate several - no bonding and less cabling in com require counters generally therefore and are circuits, track parison to install and maintain. to less expensive in- do not require axle counters circuits, Unlike track breaking avoids This be installed. to joints rail sulated joints insulated for rails of long welded the continuity Most common uses of railroad axle counter axle counter uses of railroad Most common systems Optical shows technology that new optic pad is a fiber The and axle counting It for be used could some promise. at fiber optic pad the Compressing weighing. railcar tenuates the laser light through the pad - the sensor through the laser light tenuates proportional a signal weight. to provides WWW.NISA.ORG WWW.NISA.ORG Over by One Engine by Over Wheel Sensor Data Combined with Raw Weight Data Weight Raw with Sensor Combined Data Wheel Alibi Memory Used to Analyze Sensor and Weight Data Weight Sensor MemoryAlibi and Analyze to Used Raw Weight Data from CIM Scale for 7 Railcars Scale CIM Being for from Pushed Data Weight Raw railcars) Also the direction of the axle can be logically the direction can be logically of the axle Also railcars) determined. Predictive maintenance can prevent can prevent maintenance Predictive downtime. is the abil- there modern CIM scale controllers With (via location. a remote the scale from ity monitor to connection) data based internet Alibi network or cell - sensor identi and a marginal bases can be analyzed off-line. can be analyzed failures Mysterious fied. and modern wheel sensor load cells intelligent Using alibi memory then sensors can be identified marginal and on occurs a problem before or replaced adjusted visit. a scheduled scale PM - - - - - Typical Wheel Sensor Installation Wheel Typical

22 What is the purpose of rail wheel sensors on is the purpose of rail What a scale? and decipher the Raw Axle sensors help synchronize speed of the axle can also be de The Data. Weight wheel The the timing of the axle signals. by termined axle dimensions. the axle to detectors also measure wheel sensors into between the distance entering (by can be ignored. weights Engine the CIM application) the from axle spacing dimensions differ (engine rangement, and quantity of the wheel sensors. Each and quantity of the wheel sensors. rangement, some pre-sale to calculations requires application meet the to is required hardware what determine a have the requirements Of need. course, customers’ (op direct needed. impact sensors are wheel on what a load-outerating scale) scale or main line high speed a wide variety of sensors and the installa- are There Some sen- also widely variable. are tion requirement while others have the rail, directly to sors a mounted inductive prox With clamps. or brackets mounting partimity becomes sensors the rail of the magnetic requires installation each rail means that This circuit. adjusting (or calibrating). Wheel sensor Installation Wheel The customer requirements dictate the type, ar dictate the type, requirements customer The tive types. There is no ‘standard’ way to implement a implement to way ‘standard’ is no There types. tive scale. weighing railcar Selecting a CIM wheel sensors for the best scale of the train over the scale determines the best sensor the scale determines over of the train algorithm. (load out vs. processing and arrangement ‘look up stock a rolling use Somemain line) systems sortdimensions to of axle and locomo railcar table’ WWW.NISA.ORG WWW.NISA.ORG 23

What is in the Future for Scale Wheel Wheel Scale for is in the Future What processing load cell in advances constant With decipher to be possible it will one day technology So, movements. train track to data only the weight be the load may the best wheel sensor in the future that processing in weight Certainly advance any cells. or opti- proximity traditional the need for eliminates to the a benefit on the scale would cal wheel sensors current The cost. system overall lowering by customer and new being improved always wheel sensors are and cost will decrease that sensors being developed reliability. increase Sensors? WWW.NISA.ORG WWW.NISA.ORG - - SMA Organization Chart Organization SMA The Scale Manufacturers Association is a democratic Scale is a democratic ManufacturersThe Association of size, regardless members, all where organization has one company Each member an equal voice. have website its own maintains SMA on all items.The vote - informa contains that (www.scalemanufacturers.org) ment and hear presentations of interest to company company to of interest presentations and hear ment meeting The and their senior management. owners of a technical members of items inform is also used to - on positions recommend and conduct voting nature items regarding Committee Technical the SMA ed by agendas. on the NCWM Committee The SMA is on a semi-annual meeting schedule to schedule to is on a semi-annual meeting SMA The meeting schedule of with the semi-annual best align and Measures Weights On Conference the National (NCWM) with our annual or springin meeting held No The Apriland a fall meeting held in November. meeting is normally an airport held at vember hotel the where the meeting site to access facilitate to of a resortAprilmeeting is often more held at setting. based on selected the board by Meeting are sites members. SMA input from the opportunity meetings provide mem- These for of mu- discuss scale and business matters bers to and Federal meet with and hear State tual interest; and Officialslaws Measures and concerning Weights pertainingregulations our Industry; to new exchange pertaininginformation scale use and develop to - - Darrell Flocken Darrell LLC Mettler-Toledo, Darrell Flocken Darrell LLC Mettler-Toledo,

24 ed the National Conference on Weights and Measures and Measures Weights on Conference ed the National servingby multiple of contact for as a single point manufacturers. headquartered originally was in Rockville, SMA The and Virginia Manassas, Maryland, to moving later - As of Janu Florida in 1998. to Naples, finally moving ary has a virtual 1, 2011, the SMA headquarters with a Ohio address. Columbus, the end of 2010, the ScaleUntil Manufacturers- As Direc an Executive by administered was sociation January beginning is 1, 2011, the SMA However, tor. which is of Directors its Board by being administered - member com its’ from made up of representatives vice Officerspresident, SMA include a The pany’s. and all members and secretarypresident / treasurer - Techni also has a SMA The of Directors. of the Board chair and up to vice a chair, headed by cal Committee respon- members whose proficient technically eight a position on and recommend sibility develop it is to membership. the SMA to nature issues of a technical Planning is the Strategic activeAnother committee Officers which is made up of the SMA and Committee plans for long-range develop to has the responsibility the Association.

The Scale established was ManufacturersThe Association scale industryby leaders in 1945. Burns H. Dreese the Hobartfrom the was Manufacturing Company Hobart is years later, 65 Over first president. SMA’s member. still an active SMA a means of provide established to was SMA The manufacturers the efforts in the of many coordinating of;areas Metrology; of Domestic Legal Interpretation on Conference the National Items before Technical Weighing of the Development Measures; and Weights the Scale Industry promote and to Standards Related In these important the addition to as a whole. items, of interpretation the uniform also promoted SMA NIST Handbook 44 among all fifty and support states The Scale ManufacturersThe Association Present and the Past The WWW.NISA.ORG WWW.NISA.ORG 25 - - Agency Registration SMA Map of States Requiring Service Person or Requiring Service Map of States SMA Person Earlier I mentioned that the SMA has recently has recently the SMA that Earlier I mentioned administered. is being the association how changed a changes come these administration with Along on enhancing focusing of other changes number the these are Among of membership. the value of membership…the classes of different elimination Annual has only one class of membership. now SMA on Member no longer based are membership dues The Board at $2,500. fixed are sales…dues Company planning the for responsible is now of Directors on emphasis an increased meetings and providing and senior owners company to interest of programs management. not. others have changed, some things have While of the Scale Industry the voice remains SMA and The and taking reviewing carefully to committed remains Conference the National before positions on items be to will continue We and Measures. Weights on issues as they in meeting legal metrology proactive for resource to serve and technical identified as a are Sector. Weighing the NTEC and for the Conference to meeting the needs Officers remain dedicated The both a business and technical of its members from perspective. NTEP the of inventing is often accused SMA The Program Assessment Conformity (VCAP) and Verified support we it. the program, did not invent while we of NTEP to the movement recognized Early on we ward the implementation of some type the implementation of conformity ward de the SMA step, a proactive Taking assessment. veloped our Production Meets Type (PMT) program, Type Meets our Production veloped to the NCWM: it and offered it in operation placed own their and developed offer they declined the SMA in the members assisted SMA program. assessment - - - Conformance SMA Map of States Requiring NTEP Certificates of Requiring NTEP Certificates Map of States SMA Technical Standards developed by SMA work SMA by developed Standards Technical groups agenda items on NCWM Committee Positions Maps SMA - Questions ResponsesW&M Directors and State Membership including contact List information Membership Application

tion about the association as well as other informa as other as well the association tion about tion of interest to scale manufacturers, regulators and and regulators scale manufacturers, to tion of interest on: information contains site web The users. • • • • • • and Weights State the SMA those not familiar with For Questionsand Responses; Directors this is Measures questions sub questions selected from a set of three mitted by members, federal and state officials. During officials. and state federal members, by mitted weights regional each of the four a special session at the member asks SMA an meetings, and measures officials and other directors the state questions to collected are answers The during the session. present serviceThis has website. SMA on the posted and are of Handbook 44 in helped clarify the interpretations jurisdictions the opportu while providing - different other from hear comments to directors state nity for jurisdictions. often service Another are maps that is a set of three members and nonmembers seeking by referenced in their local area. about requirements information on which a quick visual reference maps provide The for Conformance NTEP Certificate an of require states or legal for used in a commercial being instruments - the registra require states which application; trade tion of Service persons and/or the Service Agencies of Scale Sales registration require and which states Personnel. WWW.NISA.ORG WWW.NISA.ORG - nent manufacturers dealers and while NISA includes nent members manufacture and the SMA users of scales while NISA manufac of scales and balances all sizes turer members typically members higher capacity deal with the turer scales. In closing; the Scale would Manufacturers Association the opportunity our for thank you present like to to If Conference. Technical 2011 story during your you to the Scale regarding information like more would you can contactus by you Manufacturers Association - info@scalemanu or email us at calling 866-372-4627 facturers.org. - -

26 development of the VCAP program under NCWM under VCAP program of the development VCAP by the affected members SMA All oversight. audits their completed successfully have program and VCAP program with the in compliance and are support to enforce continues the uniform the SMA VCAP program. of the ment goals: we some common and NISA share SMA The our mem- to of value programs provide to both want for resource be a technical to both want we bership, support to both want we the legal our members and few areas: in a also differ We community. metrology scale and scale compo ONLY represents the SMA WWW.NISA.ORG WWW.NISA.ORG 27 - - Figure 1 Figure mulated. Most belt scales use some type of encoder mulated. can be encoder The the belt. the speed of read to belt or rides a wheel that on the return to attached To the head or tail pulley of the conveyor. to attached idlers are conveyor one or more the weight measure suspended on load cells. Some by-products of the integration calculations are are calculations of the integration Some by-products Depend- Time. and Down Time, Run Belt Speed, Rate, is visible on the ing on the manufacture this data multiple Most manufactures have display. integrators I/O such as digital and other features accumulators etc.). 20ma, 0 – 10vdc, and analog outputs (4 to of a belt scale is critical installation to proper The from information and repeatable getting reliable It ALL the manufac the scale. is important follow to tures installation instructions to guarantee proper proper instructions installation guarantee to tures One of the most importantoperation. aspects of the of the scale idlers alignment is the proper calibration is sometimes process This idlers. with the surrounding Itcalled String Lining. is important the scale that not carrying than the sur idlers are weight more and zero can cause calibration This idlers. rounding - - Steve Keller Steve Group MCR Technologies Keller Steve Group MCR Technologies

Basic Belt Scale Operation of information, pieces two A belt scale integrates - accu weight the total calculate to and speed, weight ever, there are many uses beyond that. By collecting that. uses beyond many are there ever, of the establishing for it allows the data and storing By comparing baselines and standards. reasonable capabilities the actual theoretical with the plants data the various a set of baselines can be established for - baselines can then be com The modes of operation. a the operators give to actual time data to real pared Produc is running. the plant time picture of how real it before can be detected and resolved tion problems it, measure “Ifyou don’t put, fix. Simply to late is too manage it.” can’t you The reasons to collect belt scale data are varied. Most varied. collect are to belt scale data reasons The understand the fully managers don’t operations The most the data. they actuallybenefits until have How control. inventory is for basic use of the data Why Collect Belt Collect Scale Data? Why

Data Management in Belt Weighing in Belt Management Data of- islands of information traditionally Belt scales are rock dusty of mines, in the dirty, confines located ten is generally Scale information pits. quarries and gravel manual sometimes facilitate and measure; used to reporting of daily production. placing strategically by dramatically increases Value in real data log key process and measure scales to can be used data Logged database. a central time to and to inventory track scale accuracy, validate to performance. plant and optimize analyze measure, a quick overview provide of this paper is to focus The and placement. maintenance of belt scale operation, in primary involved The is on the technologies focus collecting and reporting Some scale data. of these include basic networking, database, technologies reporting and cloud technologies. Belt Scale Data Collection for Plant Optimization Plant Belt Scale Collection for Data WWW.NISA.ORG WWW.NISA.ORG - - Closed Loop PLC Control PLC Loop Closed Critical Time time. update < 1 second Control Manual Plant 1 ~ 3 seconds. the operator. Easily visible to Management Plant 5 – 10 seconds plant. the physical beyond Visible or idler changes, angle changes or moved to a new to changes or moved angle or idler changes, location. is very important maintenance a keeping to Proper scale build-up on the Material operational. belt scale a varietyassembly can cause accuracy of problems. should be kept clean and any scale assembly The be causing the build-up might holes in the belt that - The idlers on the scale and surround should be fixed. be kept in good workinging the scale should order. is on be turning should when material the rollers All the belt. Getting the Data from the Scales Getting from the Data the scale and present can collect, store we Before of a the scales must be connect some form data to network. a variety Over- network of the years technol Belt Scale Usage Data a belt scale has various by provided information The most The beyond. and the plant uses throughout ac The accumulation. is the total basic information or billing inventory can be used for weight cumulated been Historicallypurposes. because the scales have an operator of the plant rest the disconnected from collect the scale to the go out to physically had to the was weight Becauseof this the total information. By be useful. would that of information only piece networking make the all the scales it is possible to all the decision to Time” “Real in available scale data “Real meaning of The makers in the organization. depending on the usage of the data. can differ Time” some usage scenarios: are Below • • • daily op for Historical typically data is not required variety beyond a find but could of uses even erations logs from and Event Audit management. inventory another type information historical of the scales are shooting and tracking trouble any is useful for that Major shifts scales. the changes to in the calibration with a problem can indicate information calibration the scale. -

28 errors. A very good resource for belt scale installation scale installation belt for A very resource good errors. http://nisa.org/belt. site, is the NISA web information helpful applications page has many web This html. It all belt scales. almost should apply to that examples project involving any beginning before be consulted belt scales. The belt scale is installed it must be calibrated. a After off zeroing requires usually of calibration first step this is Typically of the idler and belt. the dead weight software belt runs empty while the done through for It is important revolutions. the scale does that a few while the belt weight not gain or lose accumulated some have also Most integrators is running empty. to function will attempt that type zeroing of auto Material changes. dead weight due to adjust the zero for the belt account build up on the scale assembly or if the belt does not run However, changes. most zero extended zero periods of time the auto any empty for function will not function. with the zero an accurate the scale is reading Once be performed.belt empty must a span calibration Depending on the manufacture installation and Static are most popular The options. a few are there test weight A static Materials test. and Weights be hung to a known that of weight amount requires and the empty belt is run for the scale platform from this a good installation With multiple revolutions. are if there However, type adequate. is usually of test with the scale assembly or other instal- problems fine but work will appear to test issues this lation is the Test A Materials be inaccurate. the scale could per To a belt scale. and calibrate verify to best way form this test a known must be of material this test amount form has passed over that the scale or material run over Because of those and weighed. the scale is caught a where some applications are there requirements can be If test a material is impossible. test material to least as a way at done it is highly recommended, check the calibration. often should “How is asked is A popular question that is no There belt scales?” of my I check the calibration In that value practical the more terms easy answer. often it the more on the scale information is placed belt scales Because of the where should be checked. cause a belt installed it does not take much to are lodged under a rock A tiny be inaccurate. scale to but possibly lite, weigh can cause a scale to load cell flow. of material higher rates only when running at the conveyor changed mechanically to If anything includes belt This the scale should be re-calibrated. WWW.NISA.ORG WWW.NISA.ORG - - 29 Figure 2 Figure aspects of wireless that should be considered, many many should be considered, aspects that of wireless here. can be covered than more cation and support multiple locations. (See Figure 2) and supportcation (See Figure multiple locations. “Cloud” use a is to storage data option for Another a cloud pro by is hosted A Cloud database database. After the communications network is finalized. The network is finalized. the communications After are systems and SCADA PLCs stored. must be data their strengths both have While sometimes used. one of their weaknesses and retrieving can be storing “Real level. the enterprise at of data amounts large - can be made avail control Plant used for data Time” Historical data systems. or SCADA local PLCs able to in a database. the long term for is typically stored software; of database the vendors many are There Microsoft most popular are SQL, MySQL and Oracle. and can level the enterprise can be used at three All than the handle vary far more of data, amounts large By using standard quarryaverage generate. could discussed previously; it is protocols communication lo in a central be located to the database possible for the Internet. through securely vider and is accessible Amazon, Some popular cloud service are providers servicesThese billed based are Google and Microsoft. of used and the amount of storage on the amount cloud model can be veryThe ben- transferred. data does not that operation to mid-size for a small eficial loca- various plant between communications have IT departmenttions or a dedicated can manage that 3) the networks or servers. (See Figure Storing the Data Storing ------

ogies have been used. Probably the oldest method of the oldest Probably been used. have ogies current 20mA scales is the 4 to the from getting data used today; loop is still very it is current The ro loop. bust and can stretch for 1000’s of feet. Itmost of feet. is used 1000’s for can stretch bust and The systems. often interfacing when PLC the scales to typically item, a single data to loop is limited current inter output can also be used to A pulsed the rate. collec data for capable than PLCs more are ers that tion. wire, twisted pair copper Ethernet has 3 basic forms: forms use all 3 plants Many fiber optic and wireless. pair cop Twisted in the network. various levels at It is the standard per (100BaseT) is the most popular. interface on every and most industrial computer Its biggest weaknessdevices. it is susceptible is that of 100 (EMI) and it only has a distance interference to using by can be minimized EMI problems meters. In addition the cable should not be shielded cable. solves Fiber cable. high voltage installed near any Depending on the of copper. of the problems many Fiber 2km. typeexceed can used the distance of fiber Ethernet is Wireless EMI. immune to is inherently a verybecoming popular option. should be used cautiously and sparingly. Wireless uses various portions wireless of unlicensed Wireless spectrum; 900 MHz and 2.4 GHz the most popular. are then center If a population is close to the installation very are the 900 MHz good that chances and 2.4 GHz 5 GHz network devices wireless saturated. bands are and typically band is less saturated. that available are it should network is considered a wireless Before expertbe discussed with a wireless sur and a site technical many are There should be conducted. vey face to a PLC. The scale integrator opens and closes a scale integrator The a PLC. to face Each open/close the PLC. contact connected to relay in usually weight, of an increment cycle represents accumulates PLC The .1, .01, etc.) multiples of 10. (1, - accu weight the total track to the pulses in a counter as well derived can be estimate rate A rough mulated. the counter. from using the scale is by from data access to best way The various are There networking. of digital some form proprietary networksthat industrial communications However, PLCs. to communicate to devices allow also are There expensive. networks are these device best The can collect. a PLC much data how limits to or wireless. either wired use Ethernet, option is to today Ethernet is the most popular network available It for can be hardened future. the foreseeable and for It easy connection servindustrialto use. also allows WWW.NISA.ORG WWW.NISA.ORG Figure 6 Figure Figure 5 Figure Figure 4 Figure Figure 3 Figure

30 This articleThis a very has been view of data high level it most applications For belt scales. collections for has that with a belt scale company work is best to help can They of process. with all levels experience can that of the pitfalls and problems many avoid you collection- a data sys up when implementing come Shark belt scales (www.weighshark.com) Weigh tem. products of and services a full range belt provides for collection.scale data Summary The most flexible method for retrieving the data from from retrieving the data for method most flexible The interface. web of a use some form is to the database interface reports web should allow be gen- This to There and plants. ranges multiple date for erated export in a should also be the option to data raw - spread with standard can be analyzed that format dashboard many are There sheet software like Excel. custom create type can be used to that applications dashboards These the KPI’s. display that dashboard time data real showing level the plant can be used at quick to level the corporate or at operators plant for 5, 6) 4, performance. (Seecheck on plant Figures Accessing the Data Accessing WWW.NISA.ORG WWW.NISA.ORG 31

Portland, Maine Portland, 2011 Fall Meeting and Technical Conference Technical Meeting and 2011 Fall National IndustrialNational Scale Association Technical Presentations Technical WWW.NISA.ORG WWW.NISA.ORG - - - ing from revenues collected. State share revenues revenues share State collected. revenues ing from revenue on a 70 / 30 percent with the counties getting the 70 per basis with the counties share share. cent lab no issues. Metrology Senate Bill 157 was passed this legislative session passed this legislative was Bill 157 Senate of devices. the testing which privatized 7 inspectorsto 3. from reduced staff Field auditing the work Inspectors to assigned are serviceperformed personnel and registered by complaints. consumer investigating is good through – NVLAP accreditation Lab Status June 2012 is self supportNo budget issues as the program Metrology lab recently moved into new leased into moved recently lab Metrology cur retired Metrologist in Needham. location a replacement until back on contract hired rently has been selected and we A candidate is hired. Office to the Governor’s from approval awaiting the hiring process. complete funded. level Currently Budget. • State of New Hampshire - Karin Soper, - Karin Soper, Hampshire of New State and Measures Weights Director, Major Issues • • • • - Robert Jersey of New State Campanelli, and Measures Weights Jersey New Director, Budget Issues • State of Massachusetts - Charles H. Carroll, of MassachusettsCarroll, H. - Charles State Division of Standards Director, Major issues • • - - Charles Carroll Charles Department MA of Standards Director, Charles Carroll Massachusetts Department of Standards

State Metrologist is out on medical leave and is is out on medical leave Metrologist State retirement. contemplating be echelon 1 – could – currently Lab Status adequately unable to if they are downgraded could have which replacement finding a plan for states as many impact on the region a negative rely and businesses in the New England Region of test traceability required on the Maine lab for standards. Maine is struggling with Budget – Currently impact adversely the budget issues which could and services. program and measures weights - the administra by be ordered Budget cuts could do not if revenues Year tion during this Fiscal improve. enues do not improve. enues do not improve. Relocating lab. Went out for lease and had to re- lease and had to out for Went Relocating lab. high. too bid as the initial bids were and no new hires retired field inspectors Three budget restrictions. due to if rev reductions during the year more have May

32 Maine is in the process of filling a position that has of filling a position that Maine is in the process years. several for been frozen Major Issues • • • State of Maine - Steve Giguere, Program Program Giguere, of Maine - Steve State & Division of Quality Assurance Manager, Regulations Major Issues • • • State of Connecticut - Frank Greene, Greene, - Frank of Connecticut State and Measures Weights Director of the individual state directors of NEWMA (Northeast of NEWMA directors the individual state The following is a summary following of inputs collected from The ern Weights and Measures Association). and Measures Weights ern Northeast US Weights and Measures Weights Northeast US WWW.NISA.ORG WWW.NISA.ORG 33 - - - Moving to a new lab facility when it is completed. a new lab facility to Moving when it is completed. yet. as No firm date the position occurs a retirement When Personnel. is left unfilled. this time. at No problems Budget. lost 7 field Budget shortfall. 2007 they have Since inspectors. retire due to lab lost one employee Metrology which has not been filled. ment testing meter LPG privatized Have this year. improve Budget may Senate Bill 157 was passed this legislative session session passed this legislative Bill 157 was Senate of devices. the testing which privatized 7 inspectorsto 3. from reduced staff Field auditing the work Inspectors to assigned are serviceperformed personnel and registered by complaints. consumer investigating is good through accreditation – NVLAP Lab Status June 2012 is self supportNo budget issues as the program revenues share State collected. revenues ing from revenue on a 70 / 30 percent with the counties getting the 70 per basis with the counties share share. cent no issues. lab Metrology Budget. Currently level funded. level Currently Budget. State of New York - Mike Sikula, York of New State of Bureau York New Acting Director, and Measures Weights Major Issues • • • Rummert, Walter - of Pennsylvania State of Rides Bureau & Measurement Director, Standards Major Issues • • • • State of New Hampshire - Karin Soper, Karin - Soper, Hampshire of New State and Measures Weights Director, Major Issues • • • • - Robert Jersey of New State Campanelli, and Measures Weights Jersey New Director, Budget Issues • • • - - - rently hired back on contract until a replacement a replacement until back on contract hired rently has been selected and we A candidate is hired. Office to the Governor’s from approval await the hiring process. complete Metrology lab recently moved into new leased into moved lab recently Metrology cur retired in Needham. Metrologist location State Metrologist is out on medical leave and is is out on medical leave Metrologist State retirement. contemplating be echelon 1 – could – currently Lab Status adequately to unable if they are downgraded could have which replacement finding a plan for states as many impact on the region a negative rely Region and businesses in the New England of test traceability required on the Maine lab for standards. Maine is struggling with Budget – Currently impact adversely the budget issues which could and services. program and measures weights - the administra by be ordered Budget cuts could do not if revenues Year tion during this Fiscal improve. Relocating lab. Went out for lease and had to re- lease and had to out for Went Relocating lab. high. too were bid as the initial bids no new hires and retired field inspectors Three budget restrictions. due to if rev reductions duringthe year more have May enues do not improve. enues do not improve.

Major issues • State of Massachusetts - Charles H. Carroll, of Massachusetts H. Carroll, - Charles State Division of Standards Director, Maine is in the process of filling a position that has of filling a position that Maine is in the process years. several for been frozen Major Issues • • • State of Maine - Steve Giguere, Program Program Giguere, of Maine - Steve State & Division of Quality Assurance Manager, Regulations ern Weights and Measures Association). and Measures Weights ern Major Issues • • • State of Connecticut - Frank Greene, Greene, - Frank of Connecticut State and Measures Weights Director of The following is a summary following collected of inputs from The (Northeast of NEWMA directors state the individual WWW.NISA.ORG WWW.NISA.ORG - Electronic computing and non computing bench, bench, computing and non Electronic computing scales with a capacity and platform floor counter, lb). 1,000 kg (2,000 up to with a elements receiving and load Weighing capacitylb) 1,000 kg (2,000 of up to (except elements indicating Electronic weight software based). are those that 10,000 k (20,000 lb). Mechanical up to scales As a reminder, the following types of weighing de typesweighing of the following a reminder, As MRA: under this covered are vices • • • • - - Measurement Canada Sign the MRA Sign Canada Measurement No out of state travel being approved. approved. being travel state No out of State Metrologist retired after 34 years and the after 34 years retired Metrologist State 1, 2011. November position will not be filled until being trained is currently new Metrologist The partand will work time in the lab and in the field. field inspector add a much needed position Will in 2012. stable and do not expect any Budget is currently cutbacks this FY. Budget has been cut for weights and measures and measures weights cut for Budget has been testing. meter privatized Currently the years. over sealers appointed cities have larger A few years several for lab has been closed Metrology and they do not expect reopen. to

Chairman Tim Tyson of NCWM and President Alan Johnston of Johnston Alan of NCWM and President Tyson Tim Chairman 34 tended tended 5 Years is the ex of NEWMA all member states for Good news of the MRA Agreement) (Mutualtension Recognition NCWMbetween Canada. and Measurement Mutual Recognition Agreement With Canada Ex Canada With Agreement Mutual Recognition Other News • • Major Issues • State of Vermont - Henry Marckres, J. Vermont of State Protection of Consumer Chief • • Major Issues • • Director, of Rhode Island - John Shaw, State Labor & Training WWW.NISA.ORG WWW.NISA.ORG 35 - you have any ques- any have you tions about the contacts system - page data web base or problems with the OWM web page Butler has Marc also joined OWM and will spend the bulk of his time working in the Metrology Legal Group, Devices his primarywhere duties include serving- as techni the cal advisor to will report directly to the PML Deputy Director Dr. Dr. Dr. Deputywill report Dr. the PML Director directly to James K. or distributed Olthoff and not be merged name change The divisions in PML. among the other WMD former for the will not affect the URL OWM to page (www.nist.gov/pml/wmd). web Members Team OWM New - has joined OWM and will be respon Isabel Chavez Weights and the OWM homepage content sible for You database. System Division Contacts and Measures if [email protected] contact her be email at may Measuring Sector;NTETC serving on the USNWG on on Devices subcommittees Measurement Hydrogen Quality;and Fuel participating in the development to related standards and international of national and measuring developing instruments; commercial proce test developing materials; training delivering a solutions to and developing and researching dures; legal metrology wide varietyof measurement-related Group, in the Devices In his work addition to issues. will spend a portionMarc working of his time with of biofuels. and Metric in the area Group the Laws - - Steven Cook Steven and Weights Measures Office of Cook Steven and Weights Measures NIST Office of -

On October 1, 2010, the NIST Weights and Measures and Measures Weights On October 1, 2010, the NIST Division (WMD) part Measure became of the Physical NIST OWM Organization NIST OWM ment Laboratory (PML) when the National Institute when the National of Laboratoryment (PML) divi- its many reorganized Technology and Standards mission and more a tighter into sions and programs structure. focused “The Gallagher, Patrick NIST Director, to According - our labora that ensure is to goal of this realignment - respon tory a clear and empowered managers have sibility meet to mission of NIST’s strengthening - innova the U.S. tion and industrial competitiveness. about optimiz- It’s - ing our organi de to zations both forefront liver results research and the related services needed by manufacturers and other customers the U.S. critical to economy.” Mea- Physical The and dis- Laboratory develop mission is to surement force of length, mass, standards the national seminate electric time and frequency, and shock, acceleration, and vacuum, pressure humidity, temperature, ity, acoustic, and electromagnetic, liquid and gas flow, activities through radiation and ionizing utltrasonic, to research measurement fundamental from ranging and data. services, standards, of measure provision as the Office renamed WMD was On October 1, 2011, OWM renamed The (OWM). and Measures Weights of NIST Office of Weights and Measures Update and Weights Measures OfficeNIST of WWW.NISA.ORG WWW.NISA.ORG ------ing an increasing number of reports users and ing an increasing that the instructions in not following service were agents thus rendering these devices, manuals for the user’s this cases, In many the method of sealing ineffective. and mea- undetected because weights went situation manu- to the users’ access have officials do not sures specified not consistently was als and the information in the NTEP CC. regional 2008, the NCWMSince S&T Committees, Sec NTETC associations, and measures weights parties several considered and other interested tors, an is considered what address to intended proposals features. method of sealing metrological effective G-S.8. were amend HB 44 paragraph to proposals The an effective is considered clarify what to intended applied be uniformly would method of sealing that verification. during type field and evaluation Requirements Nonretroactive - G-A.6. Code General nonretro that concluded Members of the Committee apply to not necessarily should active requirements repaired/remanufactured been have that all devices the the guidelines established by the extent that to provide Force Task NCWM Remanufactured Devices has been remanufac the device that an indication nonretroactive that members agreed However, tured. has that device any should apply to requirements CC is a new NTEP extentto the that been modified is issued device if a remanufactured Thus, required. comply to be required would device that a new CC, in requirements with all applicable nonretroactive service into is placed the device effect as of the date would. new device just as any Cells Load for Recovery Creep T.N.4.7. – Scales Code Evaluation During Type the eliminate purpose is to of this amendment The be tolerances recovery conflictcell creep in load the increasing by Class III and III L load cells tween ments without breaking a physical security without breaking and seal ments a physical pro manual user’s the accompanying which for security instructionsvided clear the physical that was in while the device affixed seal should not be the device placing a switch example, For mode. that “off” in the should be set mode” “adjustment in the security physical seal. affixing the position before including service are owners, agents, Because device some all user requirements, with comply to required these that believed and applicants NTEP evaluators G-S.8. NTEP started with complied devices receiv mode which would allow the user to make adjust make the user to allow would mode which -

36 NIST Handbook 44 Changes Sealing for - G-S.8. Provisions Code General inspected some NTEP evaluators ago, years Several “adjustment” be sealed in an could that devices livery techniques using appropriate activities livery from using appropriate techniques casts and evaluate web hands on/laboratory, lectures, meet the objectives. to the best approach can include and methods that the tools Develop and etc., participant handouts, activities, discussions, it meet that confirm to that the content evaluate learning objectives which includes the training Implement facilitate to instructor along with materials, facilities, logistics, the skills, to and teaching presentation knowledge, to does not contribute what Evaluate objectives. learning. of the all steps with through the course Evaluate analysis. model from design learningOWM has started revised incorporating learner participation and increased objectives, and OWM this past year. courses activities training in a few to feedback and responses positive has received these changes. NIST OWM Training Activities Training NIST OWM of has been the basis NBS) its predecessor NIST (and its since program and measures weights the country’s Itinception. standards, of is the repository and source all fifty and policies for states. practices, references, and weights agencyNIST is the national representing the such, it is As internationally. concerns measures quality of training the source selectionobvious for NIST and measures. of weights the area in programs in all of information established as the source is well U.S. for and measures weights concerning matters - service and regula industry, agents, manufacturers, tory officials. - “in primarilyIn was most of the training the past, with very participation. little student structor led” Model to”: Training “ADDIE the using currently is OWM existing surveys, evaluations, past course Analyzing needs and audience, indented materials, training outcome. learningrevising by courses effective more Design the subjectobjectives that such knowledge can be such as comprehension, levels the desired to taught Selecting synthesis. best de analysis, application, WWW.NISA.ORG WWW.NISA.ORG - - - 37 - - ments into paragraph UR.3. paragraph into ments ments, and “Maintenance,” to Requirements” requirements into paragraph UR.1. User Require UR.1. User paragraph into requirements Appendix D Definitions Appendix be performed place to Clarifyto the tests in order service scale in track a pending railway a repaired full certificationtest. weight reference railroad for a a definition Add with AAR scale handbook. align to care be is to weighing scale grain Clarify hopper that with scales markeddetermined as Class III and appro already not Class III L. Unmarked scales are priately designated as using Class III tolerances. designated priately lever for requirements maximum grout Require stands. and load cell net or 1 ton, for Handbook 44 abbreviations Adds short long (lt) or gross (tn) and 1 ton, capacity scales blank out at that the plus Require of the tolerance. values 2. Changing the title of paragraph UR.3. from “User “User UR.3. from the title of paragraph 2. Changing require maintenance applicable 3. Consolidating 1. Consolidating applicable operational user applicable operational 1. Consolidating Developing Items, Weigh in Motion (WIM)Weigh Items, Developing Group Work National a U.S. is forming FHWA The would that standards proposed develop (USNWG) to or sort screen used to WIM scale systems apply to of legal possible violations for vehicles commercial goal of with the ultimate limits weight roadway the weights before standards the proposed bringing possible inclusion in HB community for and measures WMD and with NIST been collaborating has 44. FHWA community to enforcement vehicle the commercial industryidentify regulatory offi- experts, users, device WG. in participating in the and others interested cials, • • • • • • Con- Belt Committee, Tolerance and Specifications Code Scale Systems veyor require and user specification add a new device To - condi a stable zero-balance that help ensure to ment a across running material tion is established prior to 1) provide is to; of the proposal intent The belt scale. is of the scale condition the zero that an indication mea- for accurate requirements within the specified and 2) further- para surement, clarify General Code regarding of Equipment Maintenance G-UR.4.1. graph the scale in proper maintain to a users responsibility condition. operation structure of the UR sec amend the organizational To by:tion of the HB44 BCS Code - - - Align Handbook 44 with updated material in the material Handbook 44 with updated Align of the determination AAR Scale Handbook for Rated Sectionto Capacity and add a definition

tee is pleased to see these results as they support see these results is pleased to tee our of the beta exam. expectations based on the analysis be PDC can see the separation The Most important Professional Development Committee Development Professional on the Retail Motor an update PDC received The results from covering Certification Device exam Fuel the NCWM July 1, 2011. Since 2010 to November active on the went Retail Motor Program Certification been have 2010, there in November exam Device Fuel passing for median score The exams. 49 completed to minimum score 82% (with 70% was candidates Commit The 98%. thus far was high score The pass). National Conference on Weights and Mea- Weights on Conference National Activities sures failed. passed and those that those that tween on the passing rate the low that PDC believes The the parts that indicate may of the learningbeta exam parts and assessment goals, training of objectives, to OWM plans not working are together. the system and learn- materials training OWM technical current ing objectives with the NCWM and PDC in an effortto by subject gaps between provided eliminate matter OWM and the NCWMProgram. Certification National Rail Scale Committee, Tolerance and Specifications Code Systems the Scales made to Code were A number of proposals scales: rail concerning • creep recovery tolerance for Class III L load cells by by III L load cells Class for tolerance recovery creep factorthe same when the used in 2009 (5/3) as was were III load cells Class for tolerances recovery creep amended. Code Scale Systems Belt Conveyer Scales has on Belt/Conveyor Group Work US The establish requirements to its proposal submitted apply that Scales Code within HB44 Belt-Conveyor for condition zero an acceptable the definition of to the consistency/ and for systems scale belt-conveyor belt in use in these systems. uniformity of the was that Outline (EPO) Procedure Examination An include the to has been updated last year completed Scale Systems the Belt-Conveyor changes to recent NIST Handbook 44 in into adopted were that Code EPO can be ob of the newly updated 2011. A copy tained by contacting John Bartontained by OWM – NIST WWW.NISA.ORG WWW.NISA.ORG - - - . into mechani- into hydrogen intended for for intended hydrogen with an internal combustion combustion internal with an chemical molecular chemical production device combustion ignition compression consumption in a surfaceconsumption or electricity vehicle engine or fuel cell. cell. or fuel engine – A device Engine. Internal Combustion 1.XX. chemical converting by power generate used to or in the fuel via spark-ignition bound energy cal work to power a vehicle or other device a vehicle power to cal work ment system in place. system ment certified conduct manufacturer to audit by LC body. audit report submit manufacturer to NTEP. to LC LC manufacturer to put VCAP quality manage put manufacturer to LC • • notified, Manufacturers meeting this criterion were active and nearly all of the type covered of load cells compliance verify to been evaluated have NTEP CCs Certificates. with current the During the July 2011 NCWM Conference, Annual the next that cat announced device NTEP Committee Verified Conformity Assessment Program Program (VCAP) Assessment Conformity Verified the protect to has been developed program This of NCWM a concern which is of NTEP CCs integrity been launched with the has program The and NTEP. traceable are that (LC) being on load cells initial focus CCs. NTEP to basic of the following consists VCAP process The steps: • receiving egory is weighing/load under consideration 2000 lb capacity and less using load cells elements, NTEP certificate. their own to not traceable are that comments receive like to would NTEP Committee The the NTEP Committee the membership so that from a before concerns and understand any can identify final decision is made and timetable established. ploring the addition of new requirements. The United United The ploring the addition of new requirements. working a first distributed revision of R draftStates a major re-formatting of the docu- 60, incorporating OIML Update Cells) Revision of OIML R60 (Load John Barton reported working that draft Last year, manufacturer participation U.S. being formatted was the time, that Since is being sought. this revision for (CIML) Metrology on Legal International Committee This OIML R 60:2000. revise the project to approved everything the basic principles from covers revision and accuracy ex classes) to tolerances of R 60 (e.g., -

- of its elec without any trodes or electrolytes. or electrolytes. trodes of the – A fuel composed Fuel. Hydrogen 1.XX. , physically or chemically, , physically consumption Reduce the value for the maximum particulate for the value Reduce change This 0.5 mg/kg. to 1.0 from concentration with SAE the standard harmonize to is proposed a J2719 and ISO 14687, both of which call for maximum of 0.5. Cell” “Fuel Revise the language of the definition of with the language in SAE J2574 (see harmonize to below). for both Revise the language of the definitions “Internal Combustion and Fuel” “Hydrogen in comments (see below) as proposed Engine” on Conference the July 2011 National at received and Measures. Weights electrochemical – An energy Cell. Fuel 1.XX. in which fuel and an oxidant device conversion electricity energy generate react to

38 velopment of Commercial Hydrogen Measurement Measurement Hydrogen of Commercial velopment the following consider to is requested Standards adopt new fuel quality to the proposal changes to Hand- for NIST definitions and related requirements gaseous hydrogen address book 1301 (HB 130) to applications. refueling fuel quality specifica- hydrogen earlier proposed The the July 2011 before were definitions tion and related and and Measures Weights on Conference National items. as informational 2012 to carried over were the USNWG for proposed are updates following The the 2012 through progress as these items consider to cycle: • • • The WG plans to develop proposed specifications, specifications, proposed develop plans to WG The appli- requirements other technical and tolerance, for the official use used in scale systems WIM cable to the collection of statistical or for of law enforcement agencies. government by information - com enforcement truck weight the by adopted Once - the accura will enhance these requirements munity, serve as a sound WIM scale systems, cy nation’s of the judicial supportbasis for of next-generation truck in fewer and result programs enforcement weight weigh static at being delayed legally loaded vehicles and congestion traffic reducing thus locations, station the and improving fuel consumption non-productive roadways. on our nation’s of freight movement Quality Fuel Hydrogen Items, Developing the De (USNWG) for Group Work National U.S. The WWW.NISA.ORG WWW.NISA.ORG 39 -

NIST Office of Weights and Weights Measures NIST Office of Group Devices Metrology Legal 2600 Mail Stop Dr. 100 Bureau 20899 MD. Gaithersburg, (301) 975-4004 John Barton ([email protected]), or Richard Harshman ([email protected]), ([email protected]) Cook Steven

Contact Information Contact ment. USNWG members and TC 9 Committee mem 9 Committee TC and USNWG members ment. bers were requested to return comments on R 60 by by on R 60 comments return to requested bers were 2011. March - Techni John Bartonof the OIML a meeting attended September 19-23, of during the week cal Committee 2011 Weighers) R50 (BeltRevision of OIML recommendation draft (4CD) committee A Fourth comments in September incorporating received was at meeting and the recent the 3CD consultation from the draft addressed The AprilNMO on the 18-19 2011. reports durability, on beltweigher Groups’ Working stability and selection testing EUTs. of the due by the draft are help improve to Proposals 30, 2012. March Weigh- Rail Revision of OIML R106 (Automatic bridges) Barton John reported Draft that - Recom Last year, and that circulated of R106 - 1 was (DR) mendation of the Draft- Recommenda on the acceptance voting CIML meeting in Orlando the in at place tion took September 2010. It the July 2011 NCWM at announced Annual was - “Au 1 and 2, Meeting the DR of OIML R 106 Parts that final approval. close to are weighbridges,” rail tomatic CIML postal ballot with out for DR of R 106 went The due back in April 2011. and comments vote WWW.NISA.ORG WWW.NISA.ORG

Routes The Maine I-95 Southbound Weigh Station at Kittery at Station Weigh Maine I-95 SouthboundThe Overview of Area, Showing the Weigh Station and Bypass Station Weigh the Overview Showing of Area, the building and the parking area. The single lane The the building and the parking area. the mainline. back into then merged the requirements, station In the weigh addition to capabil- enforcement improve to also wanted State 1 and – Route routes bypass station ity weigh on two 236. Route Officers these with portablepatrolling were scales know to data which but needed more routes, bypass and inspect. stop trucks to - - - - - Bill Miller (Steve Rowlands, Co-Author) Rowlands, Bill Miller (Steve LLC Mettler-Toledo,

Use of technology where possible to automate automate possible to where of technology Use check and credential of weighing the processes ing. ing. including weight- modes of operation Flexible only inspection, credential-only inspection, and inspection. and credential weight of the layout physical use of the existing Better site. Increase the efficiencyeffectiveness of the and process. enforcement vehicle commercial stations. weigh at safety Improve carriers motor due to commercial to delay Reduce inspections.

40 date the I-95 Southbound weigh station near Kittery station the I-95 Southbound weigh date (about 4 miles north New Hamp with the border of including: tailed, • Vehicles lanes. two split into the ramp ing the station, the to the parking turn into or proceed could area the between A single building existed scale. static - lanes col two The lanes. scale and the through static a single lane again shortlylapsed into after passing Introduction and Objectives up an RFP to of MaineIn released 2008, the State • • is upgrade the system before as it existed site The Shortly after enter in the first image below. shown shire). The existing site had a three platform truck truck platform had a three site existing The shire). of the level With equipment. but no automated scale, was not it at the site, seen traffic vehicle commercial data, more Without every vehicle. process possible to know should be to which vehicles no way was there inspected. main goals: three RFP stated The • • • de objectives were several those goals, achieve To

Increasing Weigh Station Efficiency Station with Weigh Increasing Technology and Automation and Technology WWW.NISA.ORG WWW.NISA.ORG - - 41 - - Weight only Weight check and credential Weight only Credential Fiber Optic Communications System System Communications Optic Fiber Reader USDOT Reader Plate License Systems Address Public Collection System Mainline Data Planning Overview Violator Camera Mainline Bypass ed to optimize the system’s functionality. To eliminate eliminate To functionality. the system’s optimize ed to monitors continually the system back-ups, hazardous in each queue. the number of vehicles Only Mode Weight all non-compliant vehicles only mode, In the weight scale queue static The scale. the static to directed are the scale sortin the right lane extends from signals ing credential checking, the operators may be using may checking, the operators ing credential shack, the guard or both. Obviously, the scale house, only the required, check is not when the credential scale house is used. back-up, station of a weigh the potential reduce To the left the right from to lane switches the bypass In shack is in operation. order lane when the guard the modes of operation, the three accommodate to a mode selection automatically that provides system in each operation to optimize the system configures the operator allows Each mode of operation mode. the operators allows This selectto sort ramp criteria. sort tailor the ramp to meet all inspection criteria to between A queue is defined as the area requirements. capacityThe of each queue can be adjust loops. two Required Operating Scenarios Scenarios Operating Required oper to be useful would it that had decided State The the Kittery based ate configurations in varied station of inspection and on operations on the daily focus addition of The detail. of the enforcement the size making flexibility, the site’s shack increased the guard possible. scenarios multiple operating specific modes of op three the RFP, reviewing After identified: were eration • • • used to which criteria are modes determine The modes involv the two for that sort Note vehicles. • • • • • • Kittery Station After Guard Shack Addition Kittery Shack Guard After Station Light Emitting Diode (LED) Open-Closed Emitting Diode (LED) Light Sign System Weigh-In-Motion III ramp Type (VMS) Message Signs Variable Cameras Image Capture Vehicle Signals Overhead Lane Control Detectors Loop CCTV Cameras Cabinets Controller Workstations Shack Scale House and Guard

• • • • • • • • Weigh Station List of Required Equipment Equipment List of Required Station Weigh objectives, the list of goals and accomplish In to order mini- decided on a substantial had already the State should be added to that mum list of new equipment This the Kittery and had included it in the RFP. station to: not limited but was included, equipment • In general, the site layout did not change. Some did not change. layout the site In general, and the ramp implemented, striping changes were with a 300 foot and replaced removed was pavement to ASTM E1318 specifica- finished section of concrete systems. weigh-in-motion tions for and included minor, scale building changes were The functioned that as enclosure the addition of a control interface, a serverthe loop and signal rack, and the workstations. operator and standards current to rebuilt was scale static The technology. OverviewUpgrades of and to the site use of better achieve In to order it was scenarios, operating the options for increase as a to (referred building a second that decided be added on the left Shack) would side of the Guard checking credential in the allow lanes to through after addition is that as configured site The left lane. below. shown WWW.NISA.ORG WWW.NISA.ORG - - Virtual Graphic Display of Station Layout of Station Display Virtual Graphic Additional workstations can be added easily. can be added easily. workstations Additional ing data from the overview, LPR, and USDOT reader reader LPR, and USDOT the overview, from ing data the CVIEW accessing database. and for cameras, server all the scale equipment, third ties together The sorting the camera from incorporates information and the station, through all vehicles tracks system, VMS and of all the signals control handles automatic signs. in the scale building and in the workstations The the access to applications shack run client guard use of a client/serverThe servers. the three from data advantages: has several architecture • One server is dedicated to the CCTVOne server to is dedicated and al- cameras of any view and control to multiple workstations lows CCTVThe CCTVthe site server camera also cameras. the over images the camera to access remote allows a central can be used from feature That WAN. State is the station when night at location monitoring equipment ramp the A motion sensor covers closed. alarm an location in the monitoring and signals area operator An night. at when the sensor is triggered if there notify local police and area can view the ramp is suspicious activity. and stor processing serverAnother for is responsible Implementation Implementation equip weigh station of the configuration final The of the representation in as installed is shown ment of the is a screenshot This below. layout, the station on monitors virtual is available that display graphic The shack.house and the guard in both the scale select to operators and allows interactive is display manu- the signals override and to modes, operation ally when necessary. and the equipment station the weigh from data All servers three is collected by sites bypass remote scale building. station in the weigh located -

42 If the operators want to use both the scale house and to want If the operators “Guard then check credentials, shack to the guard selected. are “Scale House Open” and Shack Open” the allow lane to the bypass right lane becomes The credential The scale house of traffic. flow continued stopping from vehicles prevent to queue is reduced in the right lane. If “Guard Shack Closed” and “Scale House Open” are are “Scale House Open” and Shack Closed” “Guard If the scale house then right lane becomes selected, check lane and the left the lane becomes credential lane. bypass In weight and credential mode all non-compliant mode and credential In weight and selected scale, the static to directed are vehicles the left to directed lane, vehicles check credential right The shack queue. guard the which becomes the for allowing lane, bypass the lane then becomes per vehicles The number of of traffic. flow continued prevent to scale queue is reduced in the static mitted - avoid thus in the right lane, stopping from vehicles conditions. back-up ing dangerous Only Mode Credential to the operators only mode allows credential The either the scale house perform checks from credential ei- directed shack. are and/or the guard vehicles All the scale house only, to only, shack the guard ther to both, depending on the Scale House and Guard or to Shack Open/Closed options. is “Scale Closed” House and Shack Open” “Guard If the left to directed lane, are then all vehicles selected, lane right The shack queue. the guard which becomes lane. the bypass becomes to the static scale. The left-most is used as the lane The scale. the static to a straight vehicles compliant provide lane to bypass I95. back to path Mode and Credential Weight WWW.NISA.ORG WWW.NISA.ORG 43 The Initial SortThe Signals VMS 1 - Left Lane Before the Guard Shack Guard the VMS 1 - Left Lane Before VMS 2 - Right Lane Before the Static Scale Entrance the Static VMS 2 - Right Lane Before either the guard shack or the scale house for further the scale house for shack or guard either the processing. As vehicles progress through the station, they are they are the station, through progress vehicles As entryThe and exit a series of queues. by tracked detector the vehicle these queues are for points queue can be dis- in any vehicles for data The loops. - con in several monitors, the workstation on played vehicle detector of each The status formats. figurable yellow on the virtualloop is shown display, graphic of a vehicle. presence the indicating the initial sortAfter left the X/ the into or right lane by Message (VMS) Signs Variable are (sort) Arrow signals, of the sta- the rest through direct the vehicles used to be changed messages to the allow signs These tion. without the need mode, each operational match to four images following The modifications. physical for VMS installations, of the four the locations illustrate of their use. and examples - - Individual workstations can be unmanned and/or be unmanned can Individual workstations - opera overall affecting the off without powered station. tion of the the State over remotely can be accessed Data WAN

The USDOT reader camera is located approximately approximately located is camera reader USDOT The de 4 is the final loop number 4. Loop before 350 feet cision point for sorting. The sort signals are 280 feet sortThe 280 feet are signals sorting. for cision point about for of loop 4 allows location The that. beyond the USDOT time for of processing/look-up 6 seconds set the sort a decision must be made to before read a particular for (based on a 35 mph signals vehicle should then driver The speed limit). ramp posted the see and react to to 3 and 4 seconds between have sort signals. process to number is the most difficult USDOT The are and contrast color, size, placement, because font, by acquired are reads valid When not standardized. reader, plate and/or the license reader the USDOT data. available the CVIEW any is queried database for has as soon as the vehicle is available WIM data The a given for of the data All WIM sensors. passed the equip the ramp from can be determined truck that the time the truck by should be available ment and the data loop 4. Based on all available reaches a decision is the station, mode for operating current at stop or to continue, to the vehicle allow made to • The below. is shown ramp entrance station weigh The [1] is visible in the foreground, camera reader USDOT overview [2], the ramp image camera by followed WIM cabinet [3], the camera reader plate the license overview image violator bypass [4], and the mainline as the first of several 5] (on the same pole camera[ directly in line WIM sensors are CCTVThe cameras). sortThe can be seen on signals WIM cabinet. with the a mast arm [6] further along the ramp. • WWW.NISA.ORG WWW.NISA.ORG - S.R. 1 Bypass Site Route 236 Bypass Site Route Bypass Site SensorBypass Site Installation Remote Bypass Sites Bypass Remote and weight decided that it was sites, the bypass For to information be sufficient overview images would abilitywar to select vehicles the officer’s improve used modems are Cellular furtherranting scrutiny. the and allow the internet connect to to these sites - com for data of real-time station in the weigh display real-time this Officersaccess also can vehicles. mercial Because the cars. in their patrol laptops from data can park the officers included, overview images are the site from downstream location a convenient at them. to come to suspected violators for and wait on weighed then are Suspected vehicles overweight portable enforcement. scales for - all vehi for etc.) speed, class, (weight, data Planning bypass systems daily files on the in cles is also stored day. time after the current any and can be collected at - - VMS 4 - At the Static Scale Exit the Static VMS 4 - At VMS 3 - Left Lane After the Guard Shack the Guard VMS 3 - Left Lane After

As noted, vehicles are tracked throughout the station station the throughout tracked are vehicles noted, As is available each truck for data all available so that when example, for Thus, in the station. point any at is WIM data scale its the static a truck pulls on to known. can report that the use of load cells their Through of grav the center individually, the system loads to ity of the steering axle platform can be determined. can be determined. ity axle platform of the steering axle on the of the steering the location pinpoints That the axle spacing information Combining scale. static steering the calculated WIM system, the by provided and the known platform, axle position on the front the position allows dimensions of the scale platforms, together be determined, axles to of all of the truck’s with the number of axles on each platform. most vehicles for weights static all these data, Given and against State can be checked automatically is If feature the auto-release limits. weight Federal deter are and if the weights the operator, enabled by can release the system be within legal limits, mined to without scale automatically the static from vehicles other non- have that Vehicles intervention. operator further held for are review violations related weight If no action the operator is taken by the operator. by alarm voice a period of time, within a configurable on the is waiting “vehicle a that indicating will sound, scale”. static be overweight, to determined are that vehicles For on the in red highlighted are values the overweight screen. 44 WWW.NISA.ORG WWW.NISA.ORG 45 - could be successful. The Silex sensor replaced Scale- sensor replaced Silex The be successful. could 2006 sensor in welded Tron’s success. with great is a bar-graph display The the shows that indicator in the silo as a verticallevel of bar plus the actual weight It has the in tons. contents - of calibra added advantage tion without completely which can emptying the silo, be difficult in an operating system SiloWeigh The plant. a has install, is simple to typical accuracy of ±2% of capacity and is far more parts. use moving that than other techniques reliable in liquid tanks, or volumes It levels can also measure using a liquid level admixtures, such as those used for sensor. the sensors are Since load strain-gauge based, can be used when cells extra accuracy is required. the addition to latest The is Silo system SiloWeigh the silo signal Weigh.Net; each silo and at is digitized acquisi- a data passed to Robin Shepherdson Inc. Scale-Tron, Robin Shepherdson Inc. Scale-Tron, The method is measurement method is measurement The but of not just level of the actual weight in the silo, material accuracy sufficient to assess- inventory for Measurement ment. in the of the stress although legs, silo’s had simple in theory, a number of hurdles it before overcome to

up the ladder with a rubber mallet, up the ladder with a rubber mallet, thumping the side of the silo all the Rotary sensors only show vane way. passes a particularwhen the level point; sensors can and radar-based ultrasonic but are indication level continuous give surface uneven due to errors to prone and packing of contents. like Most they would users admit that sensors that than the level precise something more is the solution. and SiloWeigh.Net now, common are The old way is to send the latest recruit recruit send the latest is to old way The How does a user know does a user How running out of when he is overfill, to when he is about worse, – or even cement the silo and top of bags off the the filter blowing of pollution? cloud a nasty grey creating

and Silos and A Weight-Based Inventory System for Vessels Vessels for Inventory System Weight-Based A WWW.NISA.ORG WWW.NISA.ORG - ing unpredictable stresses and errors in the readings. in the readings. and errors ing unpredictable stresses can test sites, at several in use now filter, A predictive of rendition an accurate and give mask these errors with a mini- occurs This signal. weight the original the re-ordering allowing occur alarm to mal delay, the silo before timely deliveries and ensure promptly an actual silo shows operating graph The can run out. sunrise-inducedwith some of the worst and errors result. the filtered Some recent developments in signal filtering have have filtering in signal developments Some recent During effects. environmental adverse removed creat unevenly, heat to legs tend sunrise the vessel Clicking on the silo drills down to a display of the Clicking a display to the silo drills on down silos... individual ...and clicking a zoomable to on a silo drills down a silo over in the the weight showing graph trend weeks. to period of days

pages. pages. can then trigger alarms database warning This mobile to be sent text messages to allow or even can interconnect the system Additionally, phones. automatic provide to database with the supplier’s the efficiency improving of the shipments, for orders and cutting costs. process dispatching houses a local the DAQ connected to computer The allowing also acts which server, database as a web view the network to on the local area computer any such as Internet Explorer. browser using a web data of silos groups shows its highest level, at display, The plus symbols, as graphic hold the same material that of material. weight of the total a numerical display tion (DAQ) unit inside a nearby byilding which which byilding unit inside a nearby tion (DAQ) connects then to the signal, and smooths calibrates on the network, computers area the local allowing as a series in the silos levels the display network to can also be passed data The screens. of graphical an Internetconnection the SiloWeigh.Net through to the company’s all for the data which stores database, as Internet be accessed to them silos and allows 46 WWW.NISA.ORG WWW.NISA.ORG 47 - Options include set point relays and high/low level level and high/low relays point Options include set with a a horn and lights, operate alarm outputs to - program I/Os are All each silo. for button horn cancel example, for be combined, to them allowing mable, below silo drops a single horn when any operate to the overfill level. or exceeds level the low can that system is the only weighing SiloWeigh.Net 2-compartmentdisplay legs are divided silos; all four sorts and a special calculation separately measured partitions each of the two display to as a the results the capability have we Similarly, bar graph. separate on the legs of structures that the signals separate to silos. of several the weight share industry. the cement for developed was SiloWeigh has arisen then, a major application in the Since Other include grain, industry. applications explosives bakeries and foods, breweries, farm feed, mills, feed especially petro tanks, liquid chemicals, plastics, barriers, use intrinsic safety we chemicals where and asphalt. refining mines, sense be used to sensors can alternatively Silex The sensing silo legs Although structures. in many stress they are applications, uses the sensors in compressive We and shear situations. equally applicable in tension structures for complex some quite examined have that confident and are of vessels groups holding large can be extracted with accuracy. weights the vessel welcome. are enquiries in these areas Application perfecting has gone into deal of know-how A great the self-install kits make their application to in order silos is Installation on many as possible. as fool-proof - - - -

pelling large bulk shippers to examine SiloWeigh and SiloWeigh examine to bulk shippers pelling large biggest second Holcim, the world’s similar systems. has run a trial on the SiloWeigh.Net company, cement order with the full automatic sites, test two at system In addition to displaying results, the main database database the main results, In displaying addition to can send text messages or emails when alarm levels wherever a refill order users to allowing reached, are the by can be read the database Ultimately they are. to orders automatic allowing ERP system, supplier’s in a be dispatched to and deliveries be generated and re panic shipments eliminating planned manner, pro is already saving The of shipping. ducing the cost implemented. ing system tion is available and satellite communication makes communication and satellite tion is available - is becom This the connection the main database. to where ing very industry, in the explosives useful to outlying silos and tanks must be monitored many by being introduced with new regulations conform Department of Homeland Security. the U.S. Some locations do not have Internet access and some and Internet access Some do not have locations op a solar power these, For power. have do not even If desired, the local database can connect over the can connect the local database over If desired, is This database. main the SiloWeigh.Net Internet to an Internetset up as server mirrors and its database them bringing each location, at databases the local all all silos at can view a company so that together division, location, It company, locations. by is divided protected. is password Each company and silo. group WWW.NISA.ORG WWW.NISA.ORG - -

48 a simple textbook procedure but there are many oth many are there but textbooka simple procedure sulting in an excellent reputation for the product the and for reputation sulting in an excellent Installations can be found outcome. good sales as the Northacross as as well America Caribbean and the the Middle India Dealers East, are Korea. and Europe, East countries, in all the Far being sought currently and Japan. Australia www.scaletron. at can be found information More 940 0337, Fax +1 514 at calling Scale-Tron or by com 514 940 0342, E-mail [email protected]. +1 514 940 person: RobinContact Shepherdson, 0337, extension 212. [email protected]. ers where, without expert advice, failure is likely or in- is likely expert without failure advice, ers where, is available experience extensive Scale-Tron’s evitable. including the occasional end users, dealers and to pass up a doubtful silo and avoid to recommendation re look for, to in what trained Our dealers are failure. WWW.NISA.ORG WWW.NISA.ORG - - 49 - - - mined by your customer’s end requirements, such as end requirements, customer’s your mined by budget, accuracy needs, throughput, trade, legal for your arsenal options in different many Having etc. the end the best solution for supply to you will allow or try compromise make without needing to to user, not be the best solution, just may that something fit, will hopefully add presentation This the sale. make to arsenal. your to another tool ing techniques with load cells, others use differing use differing others load cells, with ing techniques As in most mass. to determine principlesscientific specify will be deter you that the equipment cases, The Proposal The a Rice Lake Rail- provide to Our was initial solution Railboss as Double DraftThe (2 is available boss. Draft (single weighment). or as Full weighments) - not avail it was time of proposal the at Unfortunately, and the customer area, rated a hazardous able for this will be a Class II Division 1 area. notified us that a solution using Centrip looked into when we That’s Solution The is one of those ways Measurement Force Centripetal mass to provide used Principles are scientific that It of motion discovered values. is based on the laws object An Isaac Newton. in motion, going straight, by makes it unless a force will keep going straight Centrip term The direction, or both. change speed, so a Centrip the center”, “toward means etal literally etal Force Measurement. etal Force is sensing the amount device measurement etal Force An of an arc. the center toward being exerted of force ball with a string be a tennis of this would example ball on the If spin the tennis you the center. through on required the force head in a circle, your string over Centrip is circling ball tennis the string keeps the that this as Centrifugal to A lot of people refer etal Force. - - Kevin Bixby Kevin Scale Carlton

We had a customer approach us to provide a means provide us to approach had a customer We products. fill a Railcar with 4 different accurately to for installa- a long down-time not afford could They Trade, for be Legal to need this device tion, and didn’t Rail a full static had Scale they already on the since fill to need was Their weighed. all cars are where site infrastructure set by a maximum weight the cars to current Their line. on the rail elsewhere problems The was Railcar by sight. fill the car to method was overweight, if it was the scale and, then taken to it had a lot, if under by a dump area; shuttled back to a achieve product to add more shuttle back to to require Both of these processes load. cost-effective and cause deal of additional time and labor, a great of the time and movement the processing to delays to also wanted customer The cars on the site. many weights. to specific target fill the cars be able to are there In of high capacity weighing, the realm Single are There the task. accomplish to ways many Truck Single – Double Rail full length – Single, Scales, Live Impact Belt Scales, Plates, Weighers, Bulk Scales, (Gravimetric Feeders Rail Sections, Loss-In-Weight in a work Meters that and Solid Mass Flow Feeders), - some of these use basic weigh While variety of ways. The Setup The The purpose of this presentation is to provide infor provide is to purpose of this presentation The mation on alternative methods that provide solutions provide methods that on alternative mation business scale The most of us do every what day. for may that other technologies sometimes overlooks requirements solutions when the customer provide weighing equip to supply standard make it difficult ment. This could be due to many factors, cost, space, space, cost, factors, many be due to could This ment. may that exist But technologies etc. ratings, area can meet the that a solution you provide be able to change their to needs without them having customer requirements.

Alternative Centripetal Force Measurement - A Railcar Loading - A RailcarMeasurement Loading Force Centripetal WWW.NISA.ORG WWW.NISA.ORG - - with no moving parts. The Pan is where the measure where is Pan The parts.with no moving ment is done. This pan has a specific 70 degree arc arc 70 degree pan has a specific This is done. ment product the is allowed Essentially radius. with a fixed the pan surface across the Centripetal where “slide” to pan is attached The and measured. is exerted Force veryto a and then small with flexures point a Pivot to 100 lbs depending on the 1 to generally load cell, pan can be The throughput. and required size device with a varietydesigned of surfaces wear. minimize to used, II - are Type I and Type types of Meters - Two based on the type delivery of material used being is typically I meter used for Type The the meter. for the material with or vibratory feeders belt conveyors delivery direction. horizontal being supplied in a used when the product generally are II meters Type and slide gates, vertically hoppers, from is delivered rotary valves. can be supplied options that also many are There can help with the entrainment Air with these meters. the measurement of the productflowability across surface the possibility of product adhering reduce to the pan surface. will to modifications Intrinsically safe areas in classified be placed to the meters also allow with barriers and the electronics. the meters between a variety of interface electronics can also provide The collec and other data connection PLCs to options for tion devices. loading a railcar for our application conclude, To with a Centripetal environment in a rated accurately that a problem to a viable solution was Device Force handle. other methods couldn’t - - Patented Friction-Cancelling Design Friction-Cancelling Patented The Principle of Centripetal Force Measurement Force of Centripetal Principle The

Centripetal Force Measurement Force Centripetal a contains Device Measurement Force A Centripetal and some a Pan, Plate, Tangential basic parts:few a times (depending upon the feed method of the times (depending upon the feed a Diverter the measuringproduct device) to Plate increase is used to DiverterThe plate be used. may of the product. the flowability the that It assures The Plate. Tangential product makes contact with the the product “catch” is simply used to Plate Tangential con- for its surfaceover to allow the flow and spread Plate Tangential This below. the Pan contact to sistent surface It mount is not a measurement all. at is a fixed force. Centrifugal is defined as “Fleeing the Center”. Center”. the “Fleeing as is defined Centrifugal force. is actually a ReactionaryVirtual Force or Centrifugal says that law the Newton all heard have We Force. every action and opposite is an equal there “For that Centripetal between is the relationship This reaction”. we say that to it Suffice Force. and Centrifugal Force when making a turn a high at a force all felt have are We park an amusement ride. speed in a car or on as our bodies Force Centripetal of the effects feeling direc in a straight trying movement are continue to tion, while the actual force is what is being used to is being used to is what tion, while the actual force is the basic theoryThis behind in an arc. our path alter device. measurement Force a Centripetal 50 WWW.NISA.ORG WWW.NISA.ORG 51 B-Tek Retired Palatine, IL Palatine, Joe Price Joe Price Canton, OH Canton, Bill Ripka Eric Wolfe Eric Wolfe Carnegie, PA Carnegie, USDA-GIPSA Rice WI Lake, Meridian, MS Pine Bluff, AR Bluff, Pine Bartonville, IL Bartonville, Jim Norvid Rail Inc. Scale, Mike Smith Gary Young Webb city, MO city, Webb Washington, D Washington, Brownsville, TX Brownsville, Kent Sneller Kent Jacksonville, FL Jacksonville, Fairbanks Scale Fairbanks Sioux Center, IA Sioux Center, Mike Powers Aaron Voreis Voreis Aaron Byron School Byron Minneapolis, MN Ohio Valley Ohio Valley Scale Worthington, OH Worthington, Thermo-Scientific Troy Swedland Troy Mettler-Toledo, LLC Mettler-Toledo, Kevin McFadden McFadden Kevin Union Pacific Railroad Union Pacific William McCombs William Cardinal Scale Mfg. Co. Scale Mfg. Cardinal Richard Schoppert Weight & Test Solutions Test & Weight Central Illinois Scale Co. Central R. C. Schoppert & Assoc. Rice Lake Weighing Systems Weighing Rice Lake

TTCI

Retired Tilton, IL Tilton, Ed Lazo Ed Dover, OH Dover, Conroe, TX Conroe, Ed Luthy Ed Pueblo, CO Pueblo, Harvest, AL Atlanta, GA Atlanta, Centralia, IL Centralia, Grayslake, IL Grayslake, Grayslake, IL Grayslake, IL Grayslake, Eric Boggs Mariettia, GA Deleware, OH Deleware, Dennis Fox Bob Feezor Bob Feezor Bill Barbera Bill Barbera Columbus, OH Columbus, John Fowler John Fowler Mike Bisanti San TX Antonio, Steve Beitzel Steve Rosemount, MN Rosemount, Dave Gogolin Dave A-1 ScaleA-1 Service Stock Equipment Stock Norm Brucker Norm Brucker Rafael Jimenez John Holleman Systems Associates Systems Systems Associates Systems Associates Systems Mettler-Toledo, LLC Mettler-Toledo, Steve Bloemker Bloemker Steve Bubba Buchhorn Union Pacific Railroad Union Pacific Norfolk Southern Corp. Precision Measurement Precision Central Illinois Scale Co. Central Coti-Global Sensors, Inc. Coti-Global Sensors, Scale Consulting & Testing & Scale Consulting Canadian National Railway National Canadian

Attendees, Spring 2011 Spring Attendees, Conference Technical Meeting and WWW.NISA.ORG WWW.NISA.ORG Rail Scale Scale-Tron Joe Price Jay Visco Jay Bill Ripka Carnegie, PA Carnegie, USDA-GIPSA Norcross, GA Norcross, Meridian, MS Waltham, MA Waltham, Bartonville, IL Bartonville, Retired - B-Tek Retired Gary Young Gary Young Dean Smith St. Laurent, QC Laurent, St. Kent Sneller Kent Jacksonville, FL Jacksonville, Fairbanks Scale Fairbanks Sioux Center, IA Sioux Center, Mike Powers D & G Scale, Inc. D & G Scale, Kansas City, MO Kansas City, ByronSchool ByronSchool Washington, DC Washington, Fairbanks Scales Fairbanks Minneapolis, MN Ohio Valley Ohio Valley Scale Salt Lake City, UT Salt Lake City, Steve Shelton Shelton Steve Thermo-Scientific Troy Swedland Swedland Troy Scale Systems, Inc. Scale Systems, Vishay Transducers Vishay Michael Wilkinson East Longmeadow, MA East Longmeadow, Chris Varrecchione Chris Central Illinois Scale Co. Central Group Group Transducers Four Robin F. Shepherdson Robin F. TTCI Dover, OH Dover, Joe Grell Ed Luthy Luthy Ed Milford, NE Milford, Pueblo, CO Pueblo, Grayslake, IL Grayslake, Rice WI Lake, Rice WI Lake, Rice WI Lake, Wilkinson, IN Harriman, TN BNSF Railway Jim Norvid Rail Inc. Scale, Rail Inc. Scale, Retired - BNSF Retired Bill Murphy Kansas City, KS Kansas City, Joe Marshall Shawn Good Shawn John Hughes St. Augustine, FL Augustine, St. Brian Kotylak Dennis Myers Ron Hostetler Stock Equipment Stock Worthington, OH Worthington, Rafael Jimenez John Holleman John Holleman Port Coquitlam, BC Coquitlam, Port Systems Associates Systems Mettler-Toledo, LLC Mettler-Toledo, Kevin McFadden McFadden Kevin Canadian Pacific Railroad Pacific Canadian Rice Lake Weighing Systems Weighing Rice Lake Systems Weighing Rice Lake Rice Lake Weighing Systems Weighing Rice Lake Rice Lake Weighing Systems Weighing Rice Lake Retired Tilton, IL Tilton, Noble, IL Noble,

Seattle, WA Seattle, Atlanta, GA Atlanta, Atlanta, GA Atlanta, Grayslake, IL Grayslake, IL Grayslake, Unitec Corp. Unitec Marietta, GA Syracuse, NY Syracuse, Eric Boggs Delaware, OH Delaware, Dennis Fox Dennis Fox Bob Feezor Bill Barbera Bill Barbera Brady Systems Brady Columbus, OH Columbus, Rail Weigh, Rail Weigh, Inc. Sam Friesen Sam Friesen John Fowler John Fowler San TX antonio, Steve Beitzel Beitzel Steve Rosemount, MN Rosemount, Mark Burbine Dave Gogolin Dave A-1 ScaleA-1 Service Norm Brucker Norm Brucker

Reginald Boyd Reginald Brad Fryburger Brad Systems Associates Systems Associates Systems Mettler-Toledo, LLC Mettler-Toledo, Bubba Buchhorn Norfolk Southern Corp. Norfolk Southern Corp. Precision measurement Precision Central Illinois Scale Co. Central Scale Consulting & Testing & Scale Consulting

52 Attendees, Fall 2011 Fall Attendees, Conference Technical Meeting and WWW.NISA.ORG WWW.NISA.ORG

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out outside support, woul result in increased dues for our members. dues for out outside support, in increased result woul Confer at our and the hospitality of this NISA publication costs suites the help offset to asked sponsors We their support. for pages on the following those listed thank We ences. as the purchase to new members to Journals so they will be available Technical print extra to will continue We editions, previous acquire like to If would this publication. you enjoyed have you that hope We go on. years please contact us. ask and would and hospitality suites, Publication Technical those who supported thank like to would the We Secre contact Bob to Feezor, and Publications Conferences Technical support to who wish of you future any Marietta, GA 30068. Place, 35 Stonington Testing, & NISA, c/o Scale Consulting tary/Treasurer, After our technical presentations, NISA publishes a Technical Journal containing the subject matter presented the subject presented Journal containing matter Technical NISA publishes a presentations, technical our After each of our members. for Journal as a reference Technical this providing to NISA is dedicated the sessions. at high, and with quite distributing is printing and these publications of producing, the cost can imagine, you As NISA SponsorsNISA help your for Thanks WWW.NISA.ORG WWW.NISA.ORG Systems Associates RCSchoppert Associates, Inc. Associates, www.mt.com Fax: (614) 438-4518

1900 Polaris Parkway Columbus, Ohio 43240 Phone: (800) 523-5123 Email: [email protected] Mettler-Toledo, LLC ISO Registered Company ISO Registered 54 WWW.NISA.ORG WWW.NISA.ORG 55 - - [email protected] 412-638-1306 or

National Industrial Scale Association (NISA), which provides a Industrial provides which he National (NISA), Scale Association and applica- information of technical exchange for mechanism

T Call for Papers for Call gram Chairman, Gary Young: Chairman, Garygram scales, belt scales and other peripheral equipment involved in the pro involved equipment other peripheral belt scales and scales, contact our Pro like the participateIf would conferences, in these you Topics can include truck scales, railroad track scales, tank and hopper scales, track railroad can include truck scales, Topics Publication. Technical be included in our 2012 Spring and Fall Technical Conferences. Technical Spring and Fall will also presentation Your in heavy capacityscales. interested who are tions of industrial weighing, invites you to present a paper for our 2012 for a paper present to you invites tions of industrial weighing, as other end-users as well and mining, railroads and shakers in utilities, NISA offers you an opportunity to present your information to movers to movers you an opportunity information your NISA offers present to cess of industrial weighing. cess WWW.NISA.ORG

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56 Notes WWW.NISA.ORG WWW.NISA.ORG 57 D&G Scale Bob Feezor Ohio Valley Ohio Valley Scale Gary Young Dean Smith Brian Kotylak Owner/President Program Chairman Program Canadian National Railway National Canadian Secretary/Treasurer National IndustrialNational Scale Assocation Rules & Regulations Office Retired John Fowler Past President Past NISA 2012 OfficersNISA NISA 2012 Directors 2012 Officers (left to right): Mike Powers (President), Kevin McFadden (Vice President), Gary (Vice Kevin McFadden (President), Powers 2012 Officers (left to right): Mike President Young (Program Chairman), Dennis Fox (Incoming Director) and John Fowler (Past President) (Past (Incoming and John Fowler Director) Chairman), Dennis Fox (Program Young Consultant Dennis Fox Mike Powers Mike Mettler-Toledo, LLC Mettler-Toledo, Vice President Vice Central Illinois Scale Central Central Illinois Scale Central Norman Brucker Norman Kevin McFadden Kevin VP, Sales and Operations VP,

Precision Measurement Standards Inc. Standards Measurement Precision WWW.NISA.ORG 35 Stonington Place, Marietta, GA 30068