... Portable Hardness Tester Portable Hardness TesterFeatures:*Large screen(128*64 dot matrix LCD), showing all functions and parameters.*Test at any angle ... materials. Direct display of hardness scales HRB, HRC, HV, HB, HS, HL and three types of strength values immediately.*Seven impact ... ,slanting down *Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HS*Display:dot matrix LCD,128*64 dots*Data memory: 500 groups max ...