| Impact device | D type |
| Measurement Accuracy | +/- 2HL (or 0.3% reading) |
| Display | High luminance liquid crystal display |
| Hardness system | HL/HRC/HRB/HB/HV/HS/σb |
| Measurement range | HL170~960、HRC19~70、HRB13~109、HB20~655、HV80~940、HSD32~99.5 |
| Measurement material | 10 Common Metals |
| Communication interface | Data transfer through USB interface or Bluetooth connection to the computer |
| Data storage | 400 data sets, 400,000 readings |
| Adjustment | Users can calibrate themselves |
| Alarm function | Upper and lower limit alarm |
| prompt | Low Voltage prompt |
| Power Supply | 3.7V rechargeable lithium battery |
| Automatic shutdown | Automatic switch |
| Operating temperature | –40 ~ +60℃ |
| Dimensions | 147*45*23mm |
| Weight | 110g |
| meet the standard | ASTM A956 |
Warranty days: 730 days