Technical Specifications:
| Hardness scale | Hl, hb, hrb, hrc, hra, hv, hs |
| Memory | 48 600 groups impact times: 32 1 |
| Measuring range | Hld 170 960 see below table 1 and table 2 |
| Accuracy | 4hld (76030hld) error of displayed value |
| Standard impact device | D |
| Optional impact devices | Dc/d+15/g/c/dl |
| Max. Workpiece hardness | 996hv(for impact devices d/dc/dl/d+15/c) |
| Min. Radius of workpiece | Rmin = 50mm (with special support ring rmin= 10mm) |
| Min. Workpiece weight | 2~5kg on stable support |
| Min. Workpiece thickness | 5mm (impact devices d/dc/dl/d+15) |
| Min. thickness of hardened surface | 0.8mm |
| Power | Aa battery |
| Continuous working time | Approx. 100 h (no back light off) |
| Charging time | 2-3.5 h |
| Operating temperature | 0~40 |
| Relative humidity | 90% |
| Overall dimensions | 125*67*31mm (main unit) |
| Weight | 0.3kg (main unit) |