... , metals thin slice . HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester with numerous testing forces and ... treatment and chemical heat treatment. Specifications ModelsHBRVU-187.5 Rockwell ScalesTesting ForceHRA, HRB, HRC, HRF,HRG60Kg (588N), ... T4340.2(Vickers), JJG112(Rockwell), JJG150(Brinell), JJG151(Vickers),Standard AccessoriesRockwell Indenter 1,Vickers Indenter 1,Diameter 1.5875,2 ...