Technical Specifications:
 Measuring range：
(170-960)HLD, (17-68.5)HRC, (19-651)HB, (80-976)HV, (30-100)HS, (59-85)HRA, (13-100)HRB
Measuring direction：360°（↓↖↗↘↙→←↑）
Accuracy:±6HLD
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