... ,HB, HRB, HRC,HRA,HV,HS 3. LCD display Leeb Hardness Gauge 1. Easy one handed operation2. Digital Display3. Compact body for ... it automatic alarm, convenience 12.customers batch test.13. English display: menu type operations, uses simple and convenient. technical parameters: Measuring ... type LCD displayData storage: maximum 500 groups (impact times: 32-1)Paper width:(57.5±0.5)mm Paper coil diameter ...