309-052 
309-058 | 测量范围 | 编号 | 读数值 | 示值误差 |
| Range(mm) | Code No. | Reading(mm) | Accuracy(mm) |
| 0-25 | 309-052 | 0.01 | ±0.004 |
| 25-50 | 309-053 | 0.01 | ±0.004 |
| 50-75 | 309-054 | 0.01 | ±0.005 |
| 75-100 | 309-055 | 0.01 | ±0.005 |
| 100-125 | 309-056 | 0.01 | ±0.006 |
| 125-150 | 309-057 | 0.01 | ±0.006 |
| 0-25 | 309-058 | 0.001 |