... workpiece 5) rapid testing RHL-160 Leeb Digital Portable metal Hardness Tester Main Applicationl Die cavity of moldsl Bearings ... any angle, even upside down.l Direct display of hardness scales HRB, HRC, HV, HB, HS, ... testing date, impact direction, impact times, material and hardness scale etc.l Upper and lower limit can be ... HLD(170~960)HLDl Measuring direction:360°l Hardness Scale:HL,HB,HRB,HRC,HRA,HV, ...