Products and tips for electrical professionals Volume 1, Number 1

Enter to win this handheld Casio 2.5" color television Details inside PRODUCT FOCUS Fluke Clamp Meters and Testers Fluke Digital Infrared Thermometers Accessories and more... ElectricalFLUKE News Products and tips for electrical professionals Electrical tools for electricians Volume 1, Number 1

Feature 2 Proper use of clamp meters in commercial settings Proper use of 5 Find hidden ac problems with true-rms clamp meters 6 Monitoring load current with a DMM in commercial settings 8 Testing residential cabling systems here’s nothing so • Each branch circuit should This is simply an extension-type 10 Is that a tingle she feels? annoying as a also be checked for possible cable where the outer insulation breaker that keeps overloading. is stripped so that the black, tripping, usually at • Finally, the grounding circuit white and green wires are theT most inopportune times. should be checked. There should exposed. It’s a lot easier than More annoying yet is not being be minimal current on the ground. taking the receptacle out to get at able to figure out why as the a wire. Plug the load into the production line stands silent Testing for leakage currents cable and the cable into the out- waiting for you to work your To check if there is leakage let. To measure load current, magic. The pressure’s on! current on a branch circuit, put clamp the black wire. Make the Beyond the basic measurements both the hot and neutral wires ground current check directly on clamps were specifically designed in the jaws of the clamp. Any the green cable or on the black for – circuit loading and balance current that is measured is leak- and white wire together. of three-phase feeders – modern age current, i.e., current returning Products digital clamp meters have on the ground circuit. The supply For the entire article, and resistance measurement (black wire) and return (white visit our web site at 2 Electrical tools capability as well. That means wire) currents generate opposing www.fluke.com/electric for electricians it’s possible to make most, if not magnetic fields. The currents all, of the common every-day should be equal (and opposite) 4 Test tools for electricians measurements using a clamp and the opposing fields should 7 Fluke digital multimeters meter. For optimum performance cancel each other out. If they that clamp meter should be a don’t, that means that some 8 Cable test solutions true-rms model, like the Fluke current, called leakage current, 335, 336 or 337. is returning on another path. The 10 Fluke accessories only other available path is the Clamp meters in ground. commercial environments If you do find Clamp meters are used at the ground current, you Fluke. Keeping your world panel board to measure circuit should check to see if up and running. loading on feeders as well as on any receptacles are branch circuits. Measurements on mis-wired (visit the Fluke Corporation branch circuits should always be Fluke Digital Library PO Box 9090, Everett, WA USA 98206 made at the load side of the at www.fluke.com/ Fluke Europe B.V. breaker or fuse. electric for informa- PO Box 1186, 5602 BD • Feeder cables should be tion on receptacle Eindhoven, The Netherlands checked for balance as well as diagnostics). It is also For more information call: loading: current on all three possible that individ- In the U.S.A. (800) 443-5853 or phases should be more or less ual loads have inter- Fax (425) 446-5116 In Europe/M-East/Africa +1 (31 40) 2 675 200 the same, to minimize the return nal leakage currents. or Fax +1 (31 40) 2 675 222 current on the neutral. In Canada (800) 36-FLUKE or • The neutral should also be Measuring Fax (905) 890-6866 checked for overloading. With individual loads From other countries +1 (425) 446-5500 or Fax +1 (425) 446-5116 harmonic loads, it’s possible for To measure individ- Web access: http://www.fluke.com/ the neutral to be carrying more ual loads, you can current than a feeder — even if use a break-out cord ©2002 Fluke Corporation. Specifications subject to change without notice. All rights reserved. the feeders are balanced. at the receptacle. Printed in U.S.A. 5/2002 1883223 C-ENG-N Rev A

2 Find more Fluke VoltAlert™ articles on Fluke 330 Voltage Detectors the Fluke and 320 Electrical Pocket-sized, non-contact ac voltage detec- News Series Clamp tors that glow red when near an outlet or Meters conductor if voltage is present. web site. • Fluke 1AC for 90 V ac to 600 V ac Choose from • Fluke 1LAC for 24 V ac to 90 V ac “Receptical 7 new clamp CAT III 600 V measurements meters to get are simple — the right combination of features understanding what and functions that fit your job. they mean is not” • Measures amps, volts, ohms and continuity www.fluke.com/electric • Backlight available on most models • New inrush current feature measures motor-starting current the way a circuit breaker or overload unit sees it (selected models) “Non-contact • All models feature display hold button and auto shut-off temperature • 3-year warranty on 330 Series, 2-year warranty on 320 Series • Includes: batteries, test leads, instruction card, safety sheet and measurements using carrying case Fluke 61 IR Thermometer IR thermometers” CAT III 600 V Easy to use www.fluke.com/electric Test drive this product before you buy • Quick non-contact temperature measurements at www.fluke.com/electric from -18 to 275 ºC (0 to 525 ºF) • 0.2 ºC or 0.5 ºF resolution • Backlight illuminates the display in the dark • Laser-sighted; 8:1 optical resolution

T5-600 and T5-1000 Electrical Testers

• OpenJaw™ technology for easy current measurements Fluke 65 IR Thermometer • AC amps to 100.0 A • Continuity/ohms to 1000 Ω • 600 volts ac/dc (model T5-600)/ Best IR accuracy 1000 volts ac/dc (model T5-1000) • Quick non-contact temperature measurements T5-600: CAT III 600 V from -40 to 500 °C (-40 to 932 °F) T5-1000: CAT III 1000 V, CAT IV 600 V • Resolution of 0.1° up to 200°, 1° over 200° • Repeatability of ±1º or ±1 %, whichever is greater • Backlight illuminates the display in the dark • Laser-sighted; 8:1 optical resolution

T3 Tester

• Easy-to-use, rugged two-pole tester with 7-level LED indicator • AC and DC voltage and continuity • Auto-on light that automatically turns off after eight minutes • Test leads and probes included 1000 V CAT III, 600 V CAT IV

3 Test tools for electricians

Fluke 1520 Fluke 1550 MegOhmMeter MegOhmMeter

• Three output for insulation • Digital MegOhmMeter that tests resistance testing: 250 V, 500 V, 1000 V switchgear, motors, generators and • Insulation resistance testing up to 4000 MΩ cables up to 5000 V dc. • AC/DC voltage measurement up to 600 V • Wide range of tests - simple spot CAT III 600 V checks to timed tests and break- down tests Test drive this product before you buy • Measurement storage and included at www.fluke.com/electric PC interface software make it ideal for preventative maintenance. CAT III 600 V Test drive this product before you buy at www.fluke.com/electric

Find more articles on Fluke 43B Power Fluke 41B Power the Fluke Quality Analyzer Harmonics Analyzer Electrical News Performs the measurements • Displays the harmonic spectrum, waveform web site. you need to maintain power and complete power data for non-linear systems, troubleshoot power waveforms. • Saves up to eight sets of measurement data. problems and diagnose “Power quality • Use the included FlukeView® software to equipment failures. download data to your PC for analysis and at the service panel” presentation. Display voltage and current waveforms www.fluke.com/electric • • Measure real power, apparent power CAT III 600 V and “Troubleshooting • Record sags and swells, capture power harmonics” transients and displays harmonics up to the 51st harmonic www.fluke.com/electric CAT III 600 V Test drive this product before you buy at www.fluke.com/electric

VR101S Voltage Event Recorder System

• Records up to 4000 sags, swells transients, outages and frequency variations on line voltage at receptacles • Includes a compact VR101 event recorder, an optical interface cable, and EventView™ software that turns your PC into a power quality reporting tool. CAT III 300 V

4 easuring ac sig- Enter true-rms. nals accurately is Today’s more complicated signal a fundamental, measurements require the right but increasingly tools. That’s why Fluke Corporation difficult,M job in today’s offices and designed its 170 Series Digital industrial plants. Personal comput- Multimeters (DMMs) with true-rms ers, electronic lighting, and () capabilities. adjustable speed drives controlling True-rms meters give correct read- the air handling equipment in large ings for any wave shape within office buildings are just a few exam- the instrument’s crest factor and ples of types of non-linear loads; bandwidth specifications. loads that draw current in abrupt True-rms meters pulses rather than in a smooth, eliminate the risk of sinusoidal manner. These pulses these incorrect measure- cause distorted current wave shapes ments. A true-rms meter that in turn cause harmonic currents uses an electronic to flow back into other parts of the measurement technique power system. to provide the user with Symptoms of harmonics usually the correct effective value show up in the power distribution of an ac current, whether equipment that supports the non- the signal’s waveform is linear loads, whether single-phase or a perfect sine wave or three-phase. Single-phase non-linear the short-pulse distorted loads are prevalent in offices, while waveforms frequently three-phase loads are widespread in encountered on the job industrial plants. The details of the today. effect of harmonics on different types Electrical and electronic of electrical systems vary, but equipment will only get common problems include trans- more complicated. To track formers that overheat, even when down the hidden problems supplying normal loads; circuit that plague such systems, breakers that trip for no apparent technicians must first make reason; or neutral conductors in an accurate measurement balanced circuits that overheat by reaching for the correct from excessive loads. Yet when tool for each measurement measured, standard troubleshooting task. In more and more procedures show everything to cases today, that task requires be normal. true-rms capabilities. What’s happening? True-rms is available on Fluke The reality is, harmonics and other Corporation’s 110 and 170 Series types of distorted waveforms cause Digital Multimeters and on selected the readings of conventional electri- 330 Series Clamp Meters. cal measurement tools - the majority of those on the market today - to be For the entire article, significantly inaccurate. When con- visit our web site at fronted with these more complicated www.fluke.com/electric Find hidden ac conditions, average-responding meters can give incorrect readings that may be off by as much as 50 problems with percent. That’s because average- responding meters are designed to provide correct readings for pure sine waves only. They typically will read true-rms low when confronted with a distort- ed current waveform.

5 Monitoring load current with a DMM

down ratio is commonly 1,000 to to 2,000 amps are available at 1. So, measuring 100 amps in a your nearest Fluke distributor. load circuit through a current These same distributors stock a clamp will apply 100 mA to the collection of Fluke DMMs with DMM’s current input. That’s well varying feature sets so you can within the DMM’s capability and, purchase the exact features you conveniently, a direct reading from need in your work. the DMM display. Just switch the DMM to mA ac mode and think For the entire article, “amps” when reading the display. visit our web site at The current clamp is designed www.fluke.com/electric digital to clamp around a single conduc- (DMM) has become tor and uses the fluctuating mag- a necessity for netic field around the conductor to electrical system induce a current. Because it uses measurements,A and most electri- transformer action, the current cians and electronic technicians transformer is only usable on ac would feel lost without one. circuits. However, there are other The features available in today’s clamps, like the Fluke i410, meters make them versatile designed to use the “Hall Effect” enough to find most problems in sensor which allows them to be electrical and electronic circuits. used on both ac and dc circuits. There are, however, some As long as the DMM is safety measurement tasks that make rated for the environment in a technician think twice about which you will be making the his DMM. measurement, say CAT III for Take for instance, load currents. electrical panels and switch gear, Many DMMs are designed to you can safely attach an appro- safely measure current up to 2, priately rated current clamp to 10 or 20 amps depending on the your DMM and make the mea- DMM. Yet load currents found in surement. Just remember that most industrial environments are when you are using a DMM/ much higher and backed by high current clamp combination you energy. On the surface it’s not an need to combine the measure- attractive match. ment specifications of the current That’s where a DMM accessory transformer and the DMM to get called a current clamp comes in overall measurement accuracy. handy. A current clamp, like the Combining a DMM with a Fluke 80i-400, can be employed current clamp accessory enables to overcome the DMM’s limitations accurate measurement and for measuring ac current. Like a analysis of load currents. power transformer, the current Fluke has a wide range of clamp uses windings around a current measurement accessories laminated core to step-down the to fit just about any application. circuit current within the measure- Current clamps with a maximum ment range of the DMM. The step current rating ranging from 200

6 Fluke digital multimeters – Rugged. Reliable. Accurate.

Find more Fluke 179 Fluke 189 articles on Digital Multimeter Logging Multimeter the Fluke Electrical Tough meters for industrial Smart meters for the most News professionals demanding users web site. Designed tough to withstand the harshest The Fluke 180 Series DMMs deliver break- work environments, and accurate enough to through features and functions with the accu- “Is that a tingle she rival most bench meters. racy to meet the demands of any application. feels? A lesson in data • 6000-count display provides better • 50,000-count resolution with instant read- resolution ings for detailed analyses (0.001 mV, logging from down • 0.09 % basic dc accuracy zeros in on tight 0.01 mA, 0.01 Ω) on the farm” readings • Multiple reading display with bargraph and www.fluke.com/electric • True-rms ac voltage and current measure- two-level backlight ment for accurate readings on all waveforms • 0.025 % basic dc accuracy • Frequency, capacitance and resistance • True-rms ac, ac and dc “ABCs of DMM safety, • Auto and manual hold • 100 kHz ac bandwidth for troubleshooting modern electronics Cat IV can really • Min/max/average records irregular activity • Two separate internal memories. One for logging up to 995 readings automatically at user selectable intervals and one for mess up your DMM. CAT IV 600 V, CAT III 1000 V 100 manually saved measurements. Worse yet, Test drive this product before you buy CAT IV 600 V, CAT III 1000 V it can kill you.” at www.fluke.com/electric Test drive this product before you buy www.fluke.com/electric at www.fluke.com/electric “So you need a DMM? Which one do you pick?” www.fluke.com/electric Fluke 112 Digital Multimeter

Compact meters for installers Fluke 80 Series III and contractors Analog/Digital Compact digital multimeter with a wide Multimeters range of functions for general purpose measurements • 6000-count display provides improved High-performance meters resolution for demanding industrial • 0.7 % basic dc accuracy and electronic applications • True-rms ac voltage and current measurement for accurate readings on all waveforms Fluke’s 80 Series III DMMs provide 11 func- • Frequency, capacitance and resistance capabilities tions for electronic and industrial applications • Min/max/average captures irregular activity including high-performance dc/ac voltage and • Backlight illuminates the display in dark workspaces current measurement, frequency, duty cycle, resistance, conductance, continuity, diode test CAT III 600 V and capacitance measurement. Test drive this product before you buy • 4-1/2 digit mode, 20,000-count display (Fluke 87, 87/E only) at www.fluke.com/electric • 0.05 % basic dc accuracy • True-rms measurements (Fluke 85, 87 and 87/E only) CAT III 1000 V

Fluke 7-300 and 7-600 Testers

For fast, accurate tests of electrical power. Nothing makes the job easier; automatic readings of ac and dc voltage, and ohms. Ideal for first-level electrical troubleshooting. Auto-selection simplifies voltage measurement in power environments. 4.5 volt minimum Two-year warranty CAT III 600 V

7 Cable test solutions

MicroScanner™ Pro MicroNetBlink Kit Fluke has The Essential All-In-One • Verify cables, continuity, pair condition, line polarity, and voltage in network teamed up Network Tester cabling systems and modular telephone lines. • Flashes hub and switch port lights. The MicroScanner Pro from Fluke with Fluke • Kit includes the MicroProbe tone probe Networks is a powerful tool that will and MicroNetBlink tone generator. add Voice-Data-Video (VDV) testing to Networks • With these tools you can trace cables the services you’re already providing. hidden in floors, ceilings, walls, It’s a pocket-sized low-voltage tester and in bundles. Fluke Networks is that: • Measures length and distance to the world’s leading fault with patented TDR technology. • Checks wire continuity and supplier of network configuration. • Pinpoints opens, shorts, crossed and split pairs. test solutions, offering • Works with tone probes to locate hidden cables in walls, electrical contractors ceilings and wire closets. the award-winning Test drive this product before you buy at www.fluke.com/electric MicroTools line. This family of powerful Voice-Data-Video verification and MicroMapper™ LAN troubleshooting tools Wiremap Checker Testing allows you to grow Fluke Networks MicroMapper is a small, handheld cable tester that enables electri- your business into cians to verify the integrity of twisted-pair residential cabling in one quick step. the VDV market. The MicroMapper quickly and easily indicates opens, shorts, crossed, reversed and split pairs. Simply push the TEST button, and cabling systems the MicroMapper will automatically scan all wire pairs. Networking, verifying and certifying today’s “smart homes” is

MicroProbe™ – a growing business the inductive probe companion for MicroTools

Use this inductive probe with any tone generator to locate cables hidden in floors, ceilings, walls and in bundles. t wasn’t that long ago that wiring a home • Compatible with MicroScanner Pro, MicroMap- per, MicroNetBlink or any other tone generator. meant electricity and a single phone line. • Adjustable volume control and LED for noisy Today, consumers expect homes to be wired environments. with multiple phone outlets, cable TV, and a computerI network available in every room. Installers and contractors are now “home networking profes- sionals” that are expected to not only install this new generation of residential networks, but verify and, in some case, certify them as well. Data cabling installation is similar to, but markedly different than, the practices used to install telephone

8 ® Find more ScopeMeter 199C articles on See more, fix ScopeMeter 123 the Fluke more – with color! Electrical • Dual input 20 MHz digital News The new ScopeMeter 190C Series with large, high-resolution, color • Two 5,000-count true-rms web site. screen and new Digital Persistence digital multimeters mode gives you an even better • Dual input TrendPlotTM recorder view of complex waveforms in the • Connect-and-View trigger “Drive, motor or load? most demanding troubleshooting simplicity for hands-off operation Where do you start applications in the field. to identify a problem?” • Up to 200 MHz bandwidth www.fluke.com/electric • Up to 2.5 GS/s real-time sampling rate • Connect-and-View™ triggering for an instant stable waveform • Automatic capture and replay of last 100 screens • Isolated Inputs (1,000 V CAT II/ 600 V CAT III) • 4-hour battery operation Test drive this product before you buy at www.fluke.com/electric

wiring, requiring installers to learn new order to minimize crosstalk concerns. To skills. Even telephony wiring is changing avoid deformation, the cable should not be with many newer systems employing the stretched or pulled around sharp corners, same four-pair UTP cabling used in data net- which could lead to performance degrada- works. Much work is already being done to tion. When possible, data cabling should be standardize requirements for home cabling, routed away from cables carrying ac power often called SOHO (Small Office Home Office) to avoid noise coupling. cabling. In the U.S., this is covered in TIA 570A, the Residential and Light Commercial Certification and verification Telecommunications Wiring Standard. In commercial cabling, standards are well in These changes also require installers and place for the testing and certification of struc- contractors to have the latest generation of tured wiring systems. Business systems are test tools, like the MicroScanner™ Pro from expected to place high demands on installed Fluke Networks, which tests both coaxial cabling and a myriad of standards define (RG6, RG59, etc. for CATV/CCTV), all twisted installation and test requirements. Such net- pair cable (UTP/STP/SSTP), and even trou- works are certified to meet standards. bleshoots other wiring for speakers, security Certification refers to the process of making networks or telephone cabling. measurements and then comparing the results obtained to pre-defined standards, so Data communications that a pass/fail determination can be made. Residential data communications cabling is In the case of a Category 5E link for example, typically four-pair 100-ohm twisted pair tools like the Fluke Networks OMNIScan- cabling rated at Category 5 or 5E. It runs ner®2 or DSP-4300, make thousands of from the Network Interface Device (or NID, a measurements across a bandwidth of 100 wiring distribution panel located near the MHz and compares them to complicated for- outside data access connection) to outlets mulae from agreed-upon standards. positioned in rooms throughout the home. In contrast, most home wiring systems are The homeowner may choose to connect a “verified.” Verification ensures that basic con- suffer nearly as much from attenuation losses. hub at the NID or simply connect directly to tinuity and correct terminations have been Since the signal is typically much stronger, an outside Internet access service, depending applied, but does not attempt to measure the impairments such as near end crosstalk upon the desired complexity of the home net- information-carrying capacity of the link. (NEXT), far end crosstalk (FEXT), or return loss work. This is a reasonable simplification to make, are much less of a concern. When installing residential cabling, care because home networking links are consider- must be taken to preserve proper twist ratios ably shorter than commercial wiring links. For the entire article, visit our web site in the cable when attaching data jacks, in Because the links are shorter, they do not at www.fluke.com/electric

9 Get more from your meter with Fluke accessories

TL21A Test Lead Extension Kit • 1.5 meter silicone insulated test leads with shrouded, male connectors on both ends • Separate female couplers convert the he next time you get frustrated because you can’t find the test leads into lead extensions source of some stray transients that are playing havoc with CAT III 1000 V, CAT IV 600 V your electrical system, think of the dairy cow in Minnesota that DUAL RATED T right this minute is snuggling up to a digital multimeter (DMM). TL20 Industrial Is that a tingle she feels? Test Lead Set A lesson in data logging from down on the farm • Includes leads, probes and alligator clips Stray voltage, it turns out, can comprehensive data that then can be CAT III 1000 V, CAT IV 600 V seriously stress dairy cows, inhibiting printed for further analysis. DUAL RATED a herd’s milk production. Dairy farm- The capability to view and analyze ers for years have been on the hunt data logged over time is particularly for places within barns that could valuable for commercial and electrical produce unwanted stray voltage, contractors, plant maintenance engi- from improperly grounded equipment neers, electronic and R&D engineers AC87 Heavy Duty to the metal stanchions at the cows’ who need to document measurements Bus Bar Clips feeding stations. The results of the over a period of time. FlukeView damage have been clear - injured or Forms makes it possible to log data • Plunger style, safety grip operation with insulated right angle jaws stressed cows at worst, reduced milk as events, which then are easily • Adjustable jaws open to grip flat bus production at best - but most of the uploaded to a PC – either from a bars or round conductors research so far has been academic, meter’s memory or real time from the CAT III, 600 V, 5 A and a controlled research project meter itself – and automatically in a university lab just doesn’t ade- displayed in graphs and tables. quately measure conditions on a That ability to incorporate informa- real dairy farm. tion from multiple meters allows easy That’s why for the last year, graphical comparison on the same i200/i200s AC Chuck and Wanda Untiedt of Lake- form of data taken at different Current Clamp field, Minn., have been using Fluke times, particularly important when TM • Small size is ideal for tight spaces digital multimeters and FlukeView performing extended tests from • 0-200 A range Forms software at their Untiedt Udder various locations. Time stamps • i200 has mA output Chaos Farm. They are finding out record elapsed times of logged • i200s has mV output exactly what impact stray voltage readings. And because users set is having on their herd of 350 the parameters of significant and dairy cows. FlukeView Forms insignificant readings recorded allows users to take readings from during any logging session, data is Fluke meters and graphically view more valuable without the “noise” them on a Windows PC. While the of irrelevant fluctuations. i410 AC/DC Current Clamp measurements themselves yield FlukeView Forms can be set to • Jaw opening for up to 1-750 MCM or valuable information, it is the ability automatically upload data from 2-500 MCM conductors to chart and analyze the results of memory, or can log data from a multiple data logging sessions that meter in real time while it is con- is turning the farm’s electrical nected to a PC. Graphs and tables system from a minefield of stray automatically adjust to correctly voltage into a safer environment display the type of readings for humans and animals. required. The software includes The software works with a range many pre-defined forms from which class microprocessor, 32 MB RAM and 70 MB of Fluke meters and thermometers, to choose and also allows users to hard disk space (100 MB to install). Software, including the powerful 187 and 189 build customized forms using the documentation and sample forms are available DMM models. Recently released FlukeView Forms Designer tool, in English, French, German, Spanish, Italian, FlukeView Forms V.2 displays data which is included. Japanese and Simplified Chinese. taken over time from up to eight FlukeView Forms V.2 supports meters on a single form, allowing Windows 95, 98, NT 4.0, 2000, ME For the entire article, visit our web site troubleshooters to easily compare and XP. It requires only a Pentium- at www.fluke.com/electric

10 80i-400 Current Clamp C510 Leather Meter Case • Jaw opening for up to one 750 MCM • Large belt loop and top flap to or two 500 MCM conductors secure meter • 400 A range with shrouded banana • Designed for most Fluke DMMs, plugs and mA output thermometers and process meters

i1000s AC Current Clamp C550 Tool Bag • Round jaw opens to accommodate up • Rugged fabric case with metal to 1-1000 MCM conductor frame and heavy duty hardware • 1000 A range with BNC termination • Several inside and outside pockets and 1 mV, 10 mV and 100 mV outputs and zippered main compartment

ToolPak H3 Clamp Meter Holster The meter • Rugged fabric holster includes hanging solution flap for lead storage and built-in • Kit includes, universal belt loop hanger • For Fluke 330 Series Clamp Meters clips (2), hook & loop straps (2 lengths), adapter and strong magnet • Combine components to meet most hanging needs • Attaches to back of many Fluke meters, including 110, 170, 180 Series, 80 Series IV DMMs, 725 Process Calibrator, 70 H5 Electrical Series III DMMs and 50 Series II Digital Thermometers. Tester Holster • Rugged fabric holster includes flap for lead storage and built-in belt loop LockPak • Holds T3 or T5 electrical testers The meter locking solution • Kit includes a locking accessory • Attaches to back of a 80 C43 Nylon Meter Case Series IV and 180 Series meters or a Fluke 725 • Zippered carrying case with inner Process Calibrator to front pocket, removable help deter theft handle/shoulder strap • Accepts most common • External dimensions: locks (not included) 12.5" x 7.5" x 3.5"

Harley® contest winner! Palmer Thornton, of Sawdy Electric in Palmetto, Florida is the winner of the Fluke’s ”Take a Test Drive Sweepstakes.“ Palmer has been an electrician since 1981. Sawdy Electric is a two person firm specializing in residential and light commercial electrical work. Palmer entered the sweepstakes at Rexel Consolidated in Bradenton, Florida. His Rexel salesperson was John Fox. 11 Add a new business to your business.

Fluke Networks’ new MicroScanner™ Pro can practically double your business by adding Voice-Data-Video testing to the wire contracts you’re already doing. It’s a pocket-sized low-voltage tester that: • Checks wire continuity and configuration. • Pinpoints open, shorts, crossed and split pairs. • Measures length and distance to fault with patented TDR technology. Act fast to get • Locates hidden cables in walls, ceilings and wire closets. your copy of For a limited time the MicroScanner Pro comes with the “Business in a Box” CD that includes training aids, installation instructions, verifi- “Business in a Box” cation data, and troubleshooting tips.

Test drive this product before you buy SUBSCRIBE www.fluke.com/electric to Electrical News and ENTER TO WIN a Casio handheld 2.5" color television Fluke Corporation PO Box 9090 PRSRT STD U.S. POSTAGE Everett, WA 98206-9090 USA PAID Seattle, WA Permit No. 2389

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