To use the impact body of certain weight impacts against the testing surface under certain spring force, leeb hardness means the ratio of the impacting velocity and the rebounding velocity of the impact body when the spherically test tip is located 1 mm above the testing surface.

​

Measuring Range:HLD (200-960), HRC (19.8-68.5), HRB (13.5-100), HB (30-651), HV (80-976), HS (26.4-99.5), b(375-2639)

​

Material:Steel & Cast Steel, Stainless Steel, GC iron, NC iron, Cast Aluminum alloy, Macht metal, Copper-tin alloy, Brass.