Calibration Vessel
The brass reusable calibration vessel may be used with any 1/4 ft3 (7 dm3) concrete air entrainment pressure meter. It is precisely machined to be 354 ml. That is exactly 5% air by volume when placed in any 1/4 ft3 pressure meter bucket, use two to check at 10%. It is best used if placed in a meter bucket pre-filled with water.
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C-44201
C-44201P |
