... workpiece 5) rapid testing RHL-160 high precision Leeb Digital Portable Hardness Tester Main Applicationl Die cavity of moldsl ... 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, ...