| Manufacturer | Mitutoyo |
|---|---|
| Range | 0-0.060" |
| Dial Revolution | 0.079" |
| Dial Reading | 30-0-30 |
| Measuring units | Inch |
| Dial Face Diameter | 57mm |
| Accuracy | 0.001" |
| Stem Diameter | 3/8" |
| Measuring Force | 1.4N |
| Contact Point | No. 4-48 UNF thread |
| Country of Manufacture | Japan |
The Mitutoyo 2978AB 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: .06"
- Range per revolution: .079"
- Graduation: .001"
- Dial reading: 30-0-30
- Maximum permissible error (overall): ±.001" / — / —
- Hysteresis: .0002"
- Repeatability: ±.0002"
- Measuring force: 1.4 N or less
- Bezel diameter: 57mm
- Stem diameter: 3/8"
- Contact point: carbide, No. 4-48 UNF 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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