this apparatus is used to determine the changes in lengthof cement prisms in the accelerated soundness test. itis also used to measure length changes of 40x40x160mm, and other sizes of cement and concrete specimens.the instrument consists of an analogic or digital dialgauge, which is mounted on a steel frame. the top anvil isadjustable to suit the required specimen.
Valid testing space is 156-305mm.
model Bc156-300 is equipped with dial indicator with arange of 10mm and resolution of 0.01mm.
model Bc-ii is equipped with digial indicator with a range of12.7mm and resolution of 0.001mm.
BC156-300 / BC-II Cement Length Comparator ( cement shrinkage tester)
1. Application: The comparator determines dry shrinkage rate of cement mortar in every age, and swelling rate of expanding cement in every age.
2. Specification:
1. Dial gauge: 10mm
2.Valid testing space: 156-300mm