Video of Concrete Air Content Tester

HC-7L type concrete mixture air content tester
Used to determine the air content of concrete mixtures.
Main technical parameters
Measuring bowl capacity (inner diameter equal to depth): 7L
Gas content range: 0-10% (indirectly read)
Maximum particle size of aggregate: 40mm
Net weight: ≈ 10kg

Dimensions: 350mm × 320mm × 530mm