
| Measuring range | 0-4mm |
| Test accuracy | 0.01mm (0.001 optional) |
| Display mode | digital display (optional pointer) |
| Indication error | 0.05% |
| Contact area | 200±5 mm2 |
| Contact pressure | 100±5kpa |
| Parallelism | ≤0.035mm |
| Working environment | temperature (20±10)°C, humidity<85% |