Aluminum Air Meter Calibrator

Calibrator quickly checks the accuracy of any pressure-type concrete air meter with a .25 cu. ft. base.

Canister is manufactured from machined aluminum for greater durability and accuracy. Canister is placed upright in water filled base. Air meter gauge should read 5% air by volume in simulated test. Two canisters will check 10% air reading. Dimensions: 3.25" dia. x 5.625" (82.5 x 143 mm)