... IC, thin plastics, metals thin slice . HBRVU-187.5 Brinell, Rockwell & Vickers Optical Hardness Tester with numerous testing forces ... and optical measurement indicating system applied to test the Brinell, Rockwell and Vickers hardness of metal materials. It ... .2(Rockwell), GB/T231.2(Brinell), GB/T4340.2(Vickers), JJG112(Rockwell), JJG150(Brinell), JJG151(Vickers),Standard AccessoriesRockwell Indenter ...