Research Article
A High-Precision and Wide Range Method for Inner Diameter Measurement
Table 1
Inner diameter values of ring gauge.
| | Ring gauge | Reference | 1 | 2 | 3 | 4 | 5 | 6 |
| | Values (mm) | 149.9990 | 150.0001 | 150.0004 | 149.9987 | 150.0002 | 150.0000 | 149.9984 | | Uncertainty (μm) | | 1.1 | 1.4 | 0.3 | 1.2 | 1 | 0.6 |
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