... portable Hardness tester 1.Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HS 2.Display:dot matrix LCD,128*64 dots MH320 portable Hardness ... Specifications:Measuring range:HLD(170~960)HLDMeasuring direction:360°Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HSDisplay:dot matrix ...