Main features of HRD-150: Lever loading, accurate, reliable, durable and high test efficiency; Direct reading of dial; Hrd-150 HRA, HRB and HRC scales (optional with other Rockwell scales); The test process is automatic and no one is responsible for the operation error; The accuracy shall comply with GB / t230 2. Iso6508-2 and ASTM E18. Application scope: Hrd-150 determination of Rockwell hardness of black metals, non-ferrous metals and non-metallic materials; It is suitable for Rockwell hardness measurement of heat treatment materials such as quenching, quenching and tempering and cemented carbide; Main technical specifications: Measurement range: 20-88hra, 20-100hrb, 20-70hrc; Test force: 588.4980.71471n (60100150kgf) Maximum allowable height of sample: 170mm; Distance from indenter center to machine wall: 135mm; Hardness resolution: 0.5hr; Overall dimension: 466x238x630 mm; Weight: About 65kg Standard configuration: large flat test bench: 1 small flat test bench: 1 V-shaped test bench: 1 1 / 16 ″ steel ball indenter: 1 Diamond indenter: 1 hrd-150 standard Rockwell hardness block: 5