... 500 groups Portable Hardness Tester Portable Hardness TesterFeatures:*Large screen(128*64 dot matrix LCD), showing all ... can measure the hardness of all metallic materials. Direct display of hardness scales HRB, HRC, HV, HB, ... Automatically identify the type of impact devices. *Large capacity memory could store 500 groups (Relative to ... Scale:HL,HB,HRB,HRC,HRA,HV,HS*Display:dot matrix LCD,128*64 dots*Data ...