... HRB, HRC,HRA,HV,HS; 3, Direct Thermal Hardness tester LK110AFeatures: Based on HL hardness measuring principle, can detect various metal ... store reach 100 groups (impact times 32 ~ 1), hardness measurements, each measurement data includes single value, average ... value, measurement date, impact direction, materials, hardness and other information systems. Thermal printer integrated with the ...