- Measures “root tangent length” of spur gears and helical gears.
- Determinaton of the root tangent length.
- Equipped with Ratchet Stop for constant measuring force.
- Supplied with a setting standard (except for 0-25 mm/0-1 in measuring range).
Specifications:
| Metric | |||
| Order No | Range | Accuracy | Remarks |
| 123-101 | 0-25mm | ±4µm | – |
| 123-102 | 25-50mm | ±4µm | – |
| 123-103 | 50-75mm | ±6µm | – |
| 123-104 | 75-100mm | ±6µm | – |
| 123-105 | 100-125mm | ±7µm | – |
| 123-106 | 125-150mm | ±7µm | – |
| 123-107 | 150-175mm | ±8µm | – |
| 123-108 | 175-200mm | ±8µm | – |
| 123-109 | 200-225mm | ±8µm | – |
| 123-110 | 225-250mm | ±9µm | – |
| 123-111 | 250-275mm | ±9µm | – |
| 123-112 | 275-300mm | ±9µm | – |
| 123-113 | 0-25mm | ±4µm | – |
| 123-114 | 25-50mm | ±4µm | – |
| 123-115 | 50-75mm | ±6µm | – |
| 123-116 | 75-100mm | ±6µm | – |
| 223-101 | 0-25mm | ±4µm | Mechanical counter model |
| 223-102 | 25-50mm | ±4µm | Mechanical counter model |
| Inch | |||
| Order No | Range | Accuracy | Remarks |
| 123-125 | 0-1in | ±.0002in | – |
| 123-126 | 1-2in | ±.0002in | – |
| 123-127 | 2-3in | ±.0003in | – |
| 123-128 | 3-4in | ±.0003in | – |
| 223-125 | 0-1in | ±.0002in | Mechanical counter model |
