... )HRC,(19-651)HB,(80-976)HV,(30-100)HS,(59-85)HRA,(13-100)HRBl Measuring direction: 360°l Hardness Scale ... ,HRB,HRC,HRA,HV,HSl Display: segment LCDl Data memory:max. 100 groups(relative to impact times 32~1)l Working voltage ... (2 AA size alkaline battery)l Continuous working period: about 100 hours(With backlight off)l Communication interface:RS232Main Applicationl Die ...