Air Contents Product Code Product Description PRS-B0650 Air Entrainment Meter PRS-B0652 Manometer for PRS-B0650 PRS-B0408 Tamping Rod Ã?16x600 mm PRS-0714 Straight Edge 300x30x3 mm STANDARDS : EN 12350â??7; ASTM C231; AASHTO T152 PRS-B0650 Air Entrainment Meter is used to determine the air content of fresh concrete. It consists of a flanged 7 liter capacity cylindrical vessel and cover assembly incorporating a large (90 mm dia.) pressure gauge, air pump and valves. It has a quick action clamping system. Direct pressure gauge reading to the nearest 0.1% up to 6% and 0.2% from 6 to 10%. It is not affected by changes in barometric pressure. The meter measures up to 22% of entrained air. It is appropriate for aggregates size of maximum 63 mm. The Air Entrainment Meter is supplied complete with; â?¢ Straight Edge â?¢ Tamping Rod â?¢ Wash Bottle. 250cc J-Type pipe and an inner extension pipe for calibration â?¢ Special Carrying Case Capacity 7 litres Air Content Range 0-10% Graduations 0.1% up to 6&; 0.2% from 6 to %10 Dimensions 300x310x620 mm Weight (approx.) 16 kg