(30-100) HS, (59-85) HRA, (13-100) HRB
● Measuring direction: 360° ↓→←↑
● Hardness Scale: HL, HB, HRB, HRC, HRA, HV, HS
● Display: segment LCD
● Data memory: max. 100 groups (relative to impact times 32~1)
● Working voltage: 3V (2 AA size alkaline battery)
● Continuous working period: about 100 hours (With backlight off)
● Communication interface: RS232.