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测砧和测微螺杆都带有一个小直径测头,可用于测量花键轴、槽和键沟。

| 测量范围 | 分辨力 | 精度 * | 备注 | |
| 数显型 (LCD) | A 型 | |||
| 331-251 | 0 - 25mm | 0.001mm | ±2µm | |
| 331-252 | 25 - 50mm | |||
| 331-253 | 50 - 75mm | |||
| 331-254 | 75 - 100mm | ±3µm | ||
| 331-261 | 0 - 25mm | ±2µm | B 型 | |
| 331-262 | 25 - 50mm | |||
| 331-263 | 50 - 75mm | |||
| 331-264 | 75 - 100mm | ±3µm | ||
| 测量范围 | 分度值 | 精度 | 备注 | |
| 普通型 | B 型 | |||
| 111-215 | 0 - 25mm | 0.01mm | ±3µm | |
| 111-115 | 0 - 25mm | A 型 | ||
| 111-116 | 25 - 50mm | |||
| 111-117 | 50 - 75mm | |||
| 111-118 | 75 - 100mm | ±4µm | ||
| 111-119 | 100 - 125mm | |||
| 111-120 | 125 - 150mm | |||
| 111-121 | 150 - 175mm | ±5µm | ||
| 111-122 | 175 - 200mm | |||
| 111-123 | 200 - 225mm | |||
| 111-124 | 225 - 250mm | ±6µm | ||
| 111-125 | 250 - 275mm | |||
| 111-126 | 270 - 300mm | |||
| 机械计数型 | A 型 | |||
| 131-115 | 0 - 25mm | ±3µm | ||

| a | b | c | d | |
| 0 - 25mm | 7.3 | 32 | 17.5 | 58.2 |
| 25 - 50mm | 10.1 | 47 | 83.2 | |
| 50 - 75mm | 11.5 | 60 | 108.2 |
| a | b | c | d | |
| 0 - 25mm | 10 | 38 | 17.5 | 55 |
| 25 - 50mm | 12 | 49 | 80 | |
| 50 - 75mm | 14 | 60 | 105 | |
| 75 - 100mm | 16.7 | 79 | 20.3 | 132.8 |
| 100 - 125mm | 18.8 | 94 | 20.7 | 158.2 |
| 125 - 150mm | 19.1 | 106 | 21.1 | 183.6 |
| 150 - 175mm | 18.2 | 118 | 21.3 | 208.8 |
| 175 - 200mm | 16.8 | 130 | 21.7 | 234.2 |
| 200-225mm | 18 | 181 | 21.5 | 334 |
| 225-250mm | 169 | 309 | ||
| 250-275mm | 156 | 284 | ||
| 275-300mm | 143 | 20.5 | 258 |

品牌:Mitutoyo(三丰)
型号:SPM-MJ
