HR-150DT Motorized Superficial Rockwell Hardness Tester adopts motorized testing method. Its testing force can be loaded, kept and unloaded automatically. Avoid man-made error and easy to use. It is therefore, welcomed by many users. Usage Range: Hardened and surface hardened steel, hardening and tempering steel, tempered steel, cold and hard casting parts, forging pats, hard ally steel, aluminum alloy, bearing steel, carburized steel sheet, etc.
