The test is developed on concretes of fixed mix proportions and aggregates of 20mm max size.
The set consists of length measuring frame, 3 gang steel mould according to the related standard, steel inserts for moulds and reference rod. The set is available in two models one with 0,01 mm analogue dial gauge, the other one with 0.001mm digital dial gauge.
Prism Mould, 50x50x200 mm, three gang, complete with steel inserts, to determine the thermal properties and weathering of aggregates in drying shrinkage of concrete.
Length Comparator; the top beam is adjustable to suit the specimen's length.
Analog Dial Indicator; 10 x 0,01 mm division.
Digital Dial Indicator; 12.7 x 0,001 mm resolution.