It is used to measure the drying shrinkage of concrete autoclave expansion of Portland cement and potential expansive reactivity of cement aggregate combinations in mortar bars during storage, on self drying.
Consists of a frame with a bottom ring and a top ring with tightening screws to firmly clamp the compressometer over the cylinder.
A dial gauge .002mm x 12mm is mounted on the upper ring and the tip of the dial gauge rests on an anvil.
The zero of the dial gauge can be set by adjusting the anvil screw.
Supplied in a wooden carrying case.