It consists of a pressure-tight flanged cylindrical
measuring bowl, fitted with a removable flanged and a conical cover assembly
with a seal in-between. The conical cover has an air valve and a petcock for
bleeding off the water. A cylindrical standpipe, which is graduated in
percent air content, is fixed to the conical cover assembly. Required
pressure is applied to the specimen with the help of a pressure bulb. The
recommended limits specified for the air content are between 3% and
6.5%.Each apparatus is supplied complete with a calibrating cylinder,
pressure gauge, funnel, trowel and tamping bar.
Meets:-IS: 1199, IS: 9799, IS: 10079, BS-1881
The following sizes are available.
- Capacity 0.005 m3 (5 dm3), suitable for aggregate size up to 38mm.
- Capacity 0.007 m3 (7 dm3), suitable for aggregate size up to 38mm.
- Capacity 0.01 m3 (10 dm3), suitable for aggregate size up to 75 mm
- Capacity 0.1 m3 (100 dm3), suitable for aggregate size up to 150 mm.
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