Industrial Grade Hardness Tester has the feature that an initial contact force is applied to an indenter and the penetration is set to zero and the force is increased to a specified total load and the depth of penetration is measured. The Tester has ball diameter ranging from 0.395 to 5.0 mm. The Tester has 4 and 6 mm thickness. The Industrial Grade Hardness Tester has IRHD ranging from 10 to 100.
