Calibrator checks the accuracy of any pressure-type concrete air meter.
Set the specially designed canister upright at the bottom of the water-filled base, and the meter should read 5% air by volume. Two calibrators will check 10% air reading.
- Dimensions: 4" dia. x 3-3/4" (102 x 95mm).
- Shipping wt. 2lbs. (0.9kg)