| Manufacturer | Mitutoyo |
|---|---|
| Range | 0-0.5mm |
| Dial Revolution | 0.7 mm |
| Dial Reading | 25-0-25 |
| Measuring units | Metric |
| Dial Face Diameter | 57mm |
| Accuracy | 8 µm |
| Stem Diameter | 8mm |
| Measuring Force | 1.4N |
| Contact Point | M2.5 thread |
| Country of Manufacture | Japan |
The Mitutoyo 2971AB is a one revolution dial indicator, which avoids misreading because the pointer never turns more than once over the full range. Part of the Mitutoyo Series 1/2 range, it is built with a quench-hardened stainless steel stem and spindle for heavy-duty use, and a sealed bezel and crystal to keep out water and oil.
- Measuring range: 0.5 mm
- Range per revolution: 0.7 mm
- Graduation: 0.01mm
- Dial reading: 25-0-25
- Maximum permissible error (overall): 8 μm
- Hysteresis: 3 μm
- Repeatability: 3 μm
- Measuring force: 1.4 N or less
- Bezel diameter: 57mm
- Stem diameter: 8mm
- Contact point: carbide, M2.5 x 0.45 thread
Accuracy is inspected with the indicator vertical, contact point downward. Optional bezel clamps, limit hands, lifting levers and alternative contact points are available.
Suitable for comparative measurement, run-out and flatness checks, height comparison on a stand and use in gauging fixtures.











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