JMT - 532
VOLUME CHANGE APPARATUS
ASTM : C 490, IS : 4031 - 1968.
The instrument is used for determining the volume of cement concrete.
The apparatus comprises of one mould 100mm x 100mm 250mm, effective gauge length complete with base plate, Four reference pins, One length comparator frame, One stainless steel reference bar with insulated gripe, and more gauge, 0.02mm x 10mm