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Mitutoyo 331-264-30 | Digital Spline Micrometer IP65 | 75-100 mm, 0.001 mm Step
Mitutoyo 331-264-30 (model SPM2-100MX) is a digital spline micrometer for the 75-100 mm range, reading in 0.001 mm steps with a maximum permissible error of ±3 µm. Its small-diameter anvil and spindle (Type B, D=2 mm) reach into splined shafts, slots and keyways, and the IP65 rating lets the 75-100 mm unit work where coolant splashes.
Key features
- 75-100 mm range, ±3 µm permissible error and 3 µm variation in length
- Stepped carbide-tipped faces with a micro-lap finish on the 75-100 mm unit; the spindle is 6.35 mm in diameter with lock and 0.5 mm pitch
- LCD with 7.5 mm characters, data output, ORIGIN, ABS/INC zero, HOLD and function lock on the SPM2-100MX
- The 75-100 mm unit runs on one SR44 battery (about 2.4 years), with 20-minute auto power-off and a low-voltage alarm
- Supplied with a box, spanner, setting standard and battery; the 75-100 mm model weighs 565 g
- Specifications
- Downloads
| Part Number | 331-264-30 |
| Brand | Mitutoyo |
| Model | SPM2-100MX |
| Range | 75-100 mm |
| Digital Step | 0.001 mm |
| Max. Permissible Error (E MPE) | ±3 µm |
| Variation in Length (V MPE) | 3 µm |
| Anvil / Spindle | Type B, D=2 mm |
| Measuring Face | Carbide-tipped, micro-lap finish, stepped |
| Measuring Force | 5 - 10 N |
| Display | LCD, character height 7.5 mm |
| Power Supply | 1 battery SR-44 |
| Battery Life | Approx. 2.4 years |
| Protection | IP65 |
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