Metric Strain Gauge Set, 5-25 cm, Digital

Designed to measure strain in masonry-type materials, structural components under load, opening or closing of structural cracks, measuring relative structural displacements, rock mechanics testing and drying shrinkage of concrete block testing.

Instrument frame is cast aluminum alloy with 5 master settings:   5, 10, 15, 20 and 25cm and is easily set for gauging.

Set includes: strain gauge, dial indicator, 8 brass inserts, 2 contact seats, 2 mounted contact points, invar master bar, punch bar and one compartmented wood storage case. 

Meets ASTM C426