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HUMBOLDT-CATALOG-2017 COVER.Indd Air Meters 140-143 Beam Testing 151 Compression Testing 162-171 Consistency 147 Corrosion 178-180 Crack Monitors 190-191 Cube Molds 152 Cylinder Capping 160-161 Cylinder Molds 153 Cylinder Testing 154-155 Cylinder Prep 158-159 Freeze-Thaw 186-187 Ground Penetrating Radar 176 Humidifiers 156 Humidity 157 Initial Set 146 Linear Traverse 192 Maturity 148 Mixers 150 Moisture (Slabs) 188-189 Pull-Off 175 Pulse Echo 183 Rebar Locators 176-177 Rebound Test Hammers 172-173 Resistivity 184-185 Self Consolidating Concrete 149 Slump 144-145 Strain 192 Strength 174 Ultrasonic 181-183 Unit Weight 143 CONCRETE 140 Air Meters H-2784.500 H-2783 H-2784 Humboldt Super Air Meter bubbles meets the recommendations of the ACI piece, self-locking clamps that quickly seal the lid ASTM C231, AASHTO T152 201 Concrete Durability Committee. to the base with proper tension aided by an o-ring The H-2784 Super Air Meter (SAM) is a testing This new air meter has been investigated using to assure a watertight seal. A large, easy-to-read, device that measures both the air void spacing and more than 300 lab and field mixtures at Oklahoma 4-inch diameter, direct percentage gauge with air volume of plastic (fresh) concrete in about 10 State University and the FHWA Turner Fairbanks calibration adjustments is accurate to the nearest minutes. Air void spacing has been shown to be Laboratories. As part of an ongoing Pooled Fund 0.1%. The bucket features cast handles, which a better indicator of concrete freeze-thaw dura- Study, the SAM is being used by 10 different DOTs improve usability, especially when using bucket as bility than total air content; however, until now, it on field concrete. The results of this testing are a 0.25 cu. ft. unit weight measure. The lid of the has been challenging to measure in fresh concrete. also being compared to performance in an ASTM pressure meter features a smooth sloped top so By being able to measure the actual air-void spac- C666 rapid freeze-thaw test*. An AASHTO Provi- water and concrete wipe right off. By eliminating ing in fresh concrete, the meter helps users better sional Standard for this test has been approved. the cavities in the lid that trap and hold concrete, understand the freeze-thaw durability of their con- The meter is currently being used in 22 different maintenance and repair problems are greatly crete before it is placed. U.S. States and one Canadian Province. The SAM reduced. The meter also features a machined base, which ensures the meter sets level when conduct- The meter can function in two ways. First, it pro- has been specified in Oklahoma and Michigan on ing tests. The kit includes a durable plastic carry- vides all the same information as a Type B meter, transportation projects. ing case; a tamping rod; strike-off bar; rubber bulb under the same analytical conditions as a conven- The H-2784 includes one Super Air Meter testing syringe; plastic calibration vessel; inside calibra- tional pressure meter. After completing the con- device, and all accessories required to calibrate the tion tube, outside calibration tube and operating ventional testing the meter is then able to move meter and perform the type B or SAM tests. This instructions. into a second mode of operation that places the includes a calibrator; a mallet; safety glasses; strike- concrete under a series of higher pressures. By off board; a tamping rod; filling bulb and a durable, Humboldt Concrete Air Meter H-2783 Ship wt. 3lbs. (15.9kg) understanding how the concrete responds to the protective case. series of high pressures, the meter can assess prop- Humboldt Super Air Meter H-2784 erties of the air-void system beyond the air content. Ship wt. 4lbs. (15.9kg) The H-2784 Super Air Meter is a modified version CAPE System for Super Air Meter of a typical pressure meter (ASTM 231). The pri- ASTM C231, AASHTO T152 mary modification is that two sequential pressur- The CAPE Tank Accessory simplifies pressurization izations are applied to the concrete. The deforma- of the H-2784 Super Air Meter during testing, elim- tion of the concrete is first investigated at 14.5, 30, inating the need to manually pump to the required H-2789 H-2793 H-2788 and 45 psi, the pressure is then released, and the pressures. The tank is fitted with three inflation same pressure steps are used again to measure the chucks including regulators that are easily attached Air Meter Calibrators (5%) deformation. The differences between the first and to the pressurization valve of the Super Air Meter. Calibrators check the accuracy of any pressure-type second pressure steps are used to calculate the Super Air Meter Cape System H-2784.500 concrete air meter. Set the specially-designed can- SAM number, which is correlated with the average Ship wt. 4lbs. (15.9kg) ister upright at the bottom of the water-filled base, spacing between air voids in the concrete mixture. Humboldt Concrete Air Meter and the meter should read 5% air by volume. Two If the spacing between the voids is too high, then ASTM C231, AASHTO T152 calibrators are used for a 10% air reading. this could mean the concrete is susceptible to The H-2783 air meter features the Humboldt, all- Air Meter Calibrator, Brass H-2789 freeze-thaw deterioration. A SAM number of 0.20 brass super pump, the most reliable and highest Air Meter Calibrator, Aluminum H-2793 has been shown to correctly determine over 90% quality pump available. The meter's easy-to-use, Air Meter Calibrator, Plastic H-2788 of the time whether the spacing between the stainless steel clamping system employs four, one- Ship wt 3 lb (1 3kg) www.humboldtmfg.com • 1.800.544.7220 • 708.468.6300 CONCRETE Air Meters 141 H-2755 H-2756 H-2786C H-2786 H-2786P Concrete Air Meter Press-Ur-Meter Concrete Air Meter Chace Concrete Air Indicator Kit ASTM C231, AASHTO T152 ASTM C231, AASHTO T152 AASHTO T199 The H-2786C air meter features a simplified, This is the original Press-Ur-Meter for fi eld and (Isopropyl-Alcohol Method) Complete kit for low-maintenance design, which uses no moving laboratory tests. This air meter is designed to pro- measuring air content of fresh concrete includes parts inside the chamber. Pressure is released into vide air content and the determination of specifi c H-2755 air indicator, instructions, cleaning brush the base by an external, brass, quick-release T-valve. gravity and free moisture of aggregate. Designed and plastic squeeze-type bottle for alcohol in plas- The meter uses brass cover clamps, which can be to save time, reduce water use, ensure accuracy tic storage box. Kit does not replace conventional adjusted for clamping pressure. A large, easy-to- and maintain sample integrity (sample may also be air meters. read, 4" diameter, direct percentage gauge with used for slump and compression tests). The meter Chace Concrete Air Indicator Kit H-2756 calibration adjustments is accurate to the nearest uses brass cover clamps, which can be adjusted Ship wt 1 4lbs (1 8kg) 0.1%. The base is machined inside and out for easy for clamping pressure. A large, easy-to-read, 4" Chace Concrete Air Indicator cleaning and the chamber and cover are one solid diameter, direct percentage gauge with calibra- AASHTO T199 component, eliminating bottom gasket leaks. The tion adjustments is accurate to nearest 0.1%.The For quick fi eld checks for air content of fresh concrete H-2786C air meter also features the Humboldt, all- H-2786 meter also features the Humboldt, all- in about three minutes, pocket-sized unit air meter is brass super pump, the most reliable and highest brass super pump, the most reliable and highest furnished with instructions and correlation chart. Unit quality pump available. The meter's base/bucket quality pump available. The meter's base/bucket does not replace conventional air meters. Overall can be used as a 0.25 cu. ft. unit weight measure. can be used as a 0.25 cu. ft. unit weight measure. dimensions: 6.25 x 1.125" dia. (159 x 29mm). The kit includes a durable plastic carrying case; The kit includes a wood or molded-plastic carry- Chace Concrete Air Indicator H-2755 tamping rod; strike-off bar; wash bottle; plastic cal- ing case; tamping rod; strike-off bar; rubber bulb Ship wt. 0.25lbs. (.45kg) ibration vessel; inside calibration tube, outside cali- syringe; aluminum calibration vessel; inside cali- Chace Air Indicator Glass Filter Tube Only bration tube and operating instructions. bration tube, outside calibration tube and operat- AASHTO T199 Concrete Air Meter H-2786C ing instructions. Ship wt. 34.9lbs. (15.9kg) Chace Glass Filter Tube only H-2755 2 Press-Ur-Meter Concrete Air Meter H-2786P Ship wt. 0.2lbs. (.45kg) Air Meter Replacement Accessories Press-Ur-Meter with vertical wood case H-2786 Ship wt 30lbs (15 9kg) Item Part No. Calibration Vessel, plastic H-2783.30 Calibration Vessel, metal H-2785.31 Calibration Tube (outside) H-2785.32 H-2785.DB Calibration Tube (inside) H-2785.33 Super Pump for Air Meters Wash Bottle H-3399 Step up to the quality and reliability of the Hum- Strike-off Bar H-2785.34 boldt super pump. The super pump’s all brass con- Tamping Rod 5/8" x 16" H-2785.35 struction resists acids in cement. All parts, includ- ing valve, are replaceable. For use with all type B Syringe, Rubber Bulb H-2785.36 air meters.
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