| Impact device | G type |
| Error of indication | ±4HLG |
| Indication Repeatability | 4HLG |
| Hardness system | HLG/HRB/HB |
| Measurement material | Steel and cast steel, gray cast iron, ductile cast iron, cast aluminum |
| Measurement range - steel and cast steel | HLG300-750/HRB47.7-99.9/HB90-646 |
| Measurement range - gray cast iron | HLG340-600/HB92-326 |
| Measurement range - Ductile cast iron | HLG340-600/HB127-364 |
| Measurement range - Cast aluminum | HRB24-85/HB32-168 |
| Operating temperature | -40~80℃ |
| Dimensions | 250*47*37mm |
| Weight | 250g |
Warranty days: 730 days