
| Measure pitch diameter of screw threads |
| Resolution 0.001mm/0.00005" |
| Button function: on/off, set, mm/inch, |
| ABS/INC, data output |
| Data output |
| SR44 or LR44 battery, automatic power off |
| Non- rotating spindle |
| Ratchet stop |
| Supplied with 60° setting standards |
| (except 0-25mm/0-1") |
| Optional accessary: 55° setting standards |
| (code 3281-SP), measuring tips (code 7381,previous page ) |
| Code | Range | Micrometer head accuracy |
Ball tips accuracy |
L | b |
| 3581-25A | 0-25mm/0-1" | ±4μm | 8μm | 42 | 26 |
| 3581-50A | 25-50mm/1-2" | ±4μm | 8μm | 67 | 38 |
| 3581-75A | 50-75mm/2-3" | ±5μm | 10μm | 92 | 50 |
| 3581-100A | 75-100mm/3-4" | ±5μm | 10μm | 117.6 | 62 |