| 型号 | 分度值 | 备注 | 外测范围 | 内测范围 |
|---|---|---|---|---|
| 3287-25BC | 0.01mm | 有套筒 | 0-25mm | 1.6-26.5mm |
| 3287-50BC | 0.01mm | 有套筒 | 25-50mm | 26.5-51.5mm |
| 3287-75BC | 0.01mm | 有套筒 | 50-75mm | 51.5-76.5mm |
| 3287-100BC | 0.01mm | 有套筒 | 75-100mm | 76.5-101.5mm |
| 3287-125BC | 0.01mm | 有套筒 | 100-125mm | 101.5-126.5mm |
| 3287-150BC | 0.01mm | 有套筒 | 125-150mm | 126.5-151.5mm |
| 3287-251BC | 0.01mm | 无套筒 | 0-25mm | 1.6-26.5mm |




