MH320 portable Hardness tester 1.Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HS 2.Display:dot matrix LCD,128*64 dots MH320 portable Hardness testerTechnical Specifications ... °Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HSDisplay:dot matrix LCD,128×64 dotsData memory: 500 groups max.(relative to impact ... printing)Communication interface:USB1.1Outline dimensions:212×80×32mm MH320 portable Hardness tester