Digital scale units:
| ltem No | Range(mm/in) | Resolution(mm/in) | A(mm) | L(mm) | Accuracy(mm) |
| 270-310 | 0-100/4" | 0.01/0.0005" | 16 | 212 | +/-0.02 |
| 270-320 | 0-150/6" | 0.01/0.0005" | 16 | 262 | +/-0.03 |
| 270-325 | 0-200/8" | 0.01/0.0005" | 16 | 312 | +/-0.03 |
| 270-335 | 0-300/12" | 0.01/0.0005" | 16 | 412 | +/-0.03 |
| 270-340 | 0-400/16" | 0.01/0.0005" | 16 | 602 | +/-0.04 |
| 270-550 | 0-500/20" | 0.01/0.0005" | 25 | 652 | +/-0.04 |
| 270-555 | 0-600/24" | 0.01/0.0005" | 25 | 752 | +/-0.05 |
| 270-560 | 0-800/32" | 0.01/0.0005" | 25 | 952 | +/-0.06 |
| 270-565 | 0-1000/40" | 0.01/0.0005" | 32 | 1152 | +/-0.07 |