... 4.Upper and lower lim 3 Inch LCD,or LED Display, High precision portable hardness tester RHL160, Mutifunction Portable Hardness TesterMain ... screen(128×64 dot matrix LCD), showing all functions and parameters.Test at any angle, even upside down.Direct display of hardness scales ... :360°Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HSDisplay:dot matrix LCD,128×64 dotsData memory: 500 groups max.(relative to ...