- 在孔內測量輪轂的厚度和側翼。
- 測量面為硬質合金。
- 帶有恆定測力的裝置。
規格:
| Metric | ||
| Order Number | Range | Accuracy |
| 147-301 | 0-25mm | ±2µm |
| 147-302 | 25-50mm | ±2µm |
| 147-303 | 50-75mm | ±2µm |
| 147-304 | 75-100mm | ±3µm |
| Inch | ||
| Order Number | Range | Accuracy |
| 147-351 | 0-1in | ±.0001in |
| 147-352 | 1-2in | ±.0001in |
| 147-353 | 2-3in | ±.0001in |
| 147-354 | 3-4in | ±.00015in |
