hardness tester 2000HVS-5 2000HVS-5 hardness testerFeature & Use:RS232 data interface, built-in printerHardness conversion between different hardness scales Automatic testing processPrecision ... metals, ceramics, treated layers of metal surface, and the hardness grads of carburized, nitrided and hardened layers of metals. It ... .52, 29.42, 49.03N (0.2, 0.3, 0.5, 1, 2, 2.5, 3, 5kgf) Hardness scale: HV0.2 ...