Air Entrainment Meter Model 7302 (8 Litre Capacity) is a precision concrete testing instrument used to determine the air content of freshly mixed concrete. Equipped with a manual hand pump, direct-reading pressure gauge, and calibration set, it delivers fast and accurate results for quality control applications. Designed according to DIN EN 12350-7, ASTM C231, and GOST 10181 standards, it is ideal for laboratory and field testing.