Length Comparator

Length Comparator About

It is used to measure the drying shrinkage of concrete autoclave expansion of port land cement and potential expansive reactivity of cement aggregate combinations in mortar bars during storage, on self drying.

Salient Features

Specifications : The instrument consists of a channelled base over which two vertical pillars are fixed. An adjustable cross plate is at the top. A dial gauge, reading to 0.002mm x 12mm. can be fixed to the top cross plate. The plunger end of the dial gauge can be located upon a 6.5mm. dia ball or other reference point cemented in the specimen. On the base there is a similar recessed seating in which can be placed a second ball or reference point in the specimen. Complete with a stainless steel standardization bar with insulated grip and with 6.5mm dia. balls mounted in the ends.