Measures the entrained air in fresh mix concrete by observing the volume change resulting from the application of pressure.
Constructed of cast aluminum chamber and lid, with four quick acting locking clamps. Direct pressure gage reading in the nearest 0.1 percent. Precision brass super pump has long strokes.
Same as FORNEY Press-Aire Meter (Air Meter) LA-0316, but sold without case or accessories. 25 lb (11.3 kg)