- Measures “root tangent length” of spur gears and helical gears.
- Determination of the root tangent length.
- Measuraable range of gear pitch: 0.5 to 6 module (series 227: 0.4 to 3 module).
Specifications:
| Metric | ||
| Order No | Range | Accuracy |
| 227-221 | 0-15mm | ±4µm |
| 227-223 | 0-10mm | ±4µm |
| 369-250-30 | 0-25mm | ±4µm |
| 369-251-30 | 25-50mm | ±4µm |
| 369-252-30 | 50-75mm | ±6µm |
| 369-253-30 | 75-100mm | ±6µm |
| 369-411 | 0-30mm | ±4µm |
| 369-412 | 25-55mm | ±4µm |
| Inch/Metric | |||
| Order No | Range | Accuracy | Remarks |
| 369-350-30 | 0-1in 0-25.4mm | ±.0002in | Digital model |
| 369-351-30 | 1-2in 25.4-50.8mm | ±.0002in | Digital model |
| 369-352-30 | 2-3in 50.8-76.2mm | ±.0003in | Digital model |
| 369-353-30 | 3-4in 76.2-101.6mm | ±.0003in | Digital model |
| 369-421 | 0-1.2in 0-30.48mm | ±.0002in | Quickmike type |
| 369-422 | 1-2.2in 25.4-55.88mm | ±.0002in | Quickmike type |
