Air Meter Type B (see photo) – consists of a measuring bowl (capacity of 0.20 ft3) and cover assembly with pressure gauge
Tamping Rod (5/8” diameter)
Scale (0.01 lb accuracy)
Mallet - rubber, weighing approximately 1.25 lb
This test method covers the determination of the air content of freshly mixed concrete made with dense aggregate (non-lightweight aggregate). A suitably designed air meter employing the principle of Boyle's law is used to determine the air content of the plastic concrete.