HL200 portable ultrasonic metal hardness tester 1.Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HS 2.Display:segment LCD HL200 portable ultrasonic metal hardness testerTechnical Specifications ... -100)HS,(59-85)HRA,(13-100)HRBMeasuring direction:360°Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HSDisplay:segment LCDData ...