It is used for finding out the linear deformation caused on two reference points fixed on a loading member.
This portable gauge is designed for a gauge length of 20 cm. of the reference pins. The deformation is indicated by a 0.002 x 5mm dial gauge attached to the instrument. Complete with two standard bars for 20 cm gauge length supplied in a wooden case.
Reference pins in packet of 100 nos. at an extra cost.