... HRC,HRA,HV,HS; 3, Direct Thermal Hardness tester LK110AFeatures: Based on HL hardness measuring principle, can detect various metal materials. ... sample, it can read directly HB value, needn’t manual look-up table. Can English display, menu-style operation, ... value, average value, measurement date, impact direction, materials, hardness and other information systems. Thermal printer integrated with the ...