MODEL HBV-30A BRINELL & VICKERS HARDNESS TESTER MODEL HBV-30A BRINELL & VICKERS HARDNESS TESTERFeature & Use:Automatic testing process, no human operating errorPrecision conforms ... /T 4340.2, GB/T 231.2, ISO6506-2, ISO6507-2, ASTM E92 and ASTM E10 It's suitable to determine the Vickers hardness of ... .52, 49.03, 98.07, 196.1, 294.2N (1, 2.5, 5, 10, 20, 30kgf) Max. height of test piece ...