Air Entrainment Meter
Air Entrainment Meter IS:1199-1959, BS 1881 : Part 106
This is used for determining the air content for freshly mixed concrete by the pressure method.
Specifications: The apparatus consists of a pressure tight flanged cylindrical measuring bowl of 0.005 cubic meter capacity for maximum size of aggregate 38mm. The bowl is fitted with a removable flanged conical cover assembly with the help of a seal. The conical cover has an air valve and a pet cock for bleeding off the water. A transparent cylindrical stand pipe which is graduated in air content is fixed to the conical cover assembly. Pressure is applied to the specimen with the help of a pressure bulb and the pressure is recorded on the pressure gauge which is mounted on the stand pipe. The whole assembly is mounted on a flat base. The instrument is supplied complete with one each following accessories. Calibration cylinder with spring clamp,
• Tamping Rod, Straight edge,
• Rubber Mallet and Measure.