Concrete Air Entrainment Meter, Pressure Gauge Type, 7 Litres

Concrete Air Entrainment Meter, Pressure Gauge Type, 7 Litres

The Press-Aire Meter (Air Meter) measures entrained air in fresh mix concrete by observing the volume change resulting from the application of pressure. 
The Press-Aire Meter is the classic Type B.
It consists of an aluminium cylindrical vessel with airtight cover assembly incorporating an air pump, a precision pressure gauge Ø 90 mm and valves.
Capacity: 7 litres.
Air content range: 0 - 100%

Gauge graduations: 0.1% up to 6% of the scale; 0.2% from 6% to 10% of the scale.
The Press-Aire Meter Kit contains everything needed for determining entrained air content and for calibrating the unit: syringe, tamping rod, strike-off bar, calibration vessel, inside and outside tubes, and, of course, instructions and sturdy  carrying case.