- Automatically identify 7 types of impact devices for special application
- Freely switch to hardness scales HRB, HRC, HV,HB, HS, HL
- Direct calibration on HL,HRC, HB
- Test at any angle, even upside down
- Large LCD screen with back-light, showing all functions and parameters
- Upper and lower limit and sound alarm
- Conversion to tensile strength (U.T.S)
Steel and cast steel, alloy tool steel, stainless steel, gray cast iron. nodular cast iron, cast aluminum alloy, copper zinc alloys (brass), an alloy of cooper and tin, cooper (bronze), forged steel.