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Zwick 3108 Pusey & Jones hardness tester

Zwick 3108 Pusey & Jones hardness tester

The Pusey & Jones hardness tester (Zwick 3108) meets the requirements of ASTM D531-89 and was specially developed for testing rubber rollers and other similar specimens.

It is used to determine indentation depth for rubber and rubber-like materials such as rubber-covered rollers and rubber blocks (from 13 mm material thickness) and for paper rolls.

A vertical spindle incorporated into the rear of the instrument generates fine-scale movement of the integral electronic gauge, which shows the indentation depth directly in 0.001 mm units.