
• The anvil and spindle have a small diameter for measuring splined shafts, slots and keyways.
• IP65 water / dust protection.
• Measuring faces: Carbide tipped
• Equipped with Ratchet Stop for constant measuring force.
SPECIFICATIONS
Metric
|
Order No. |
Range (mm) |
Resolution (mm) |
Maximum permissible error JMPE (µm) |
Flatness (µm) |
Parallelism (µm) |
Measuring face |
| 331-251-30 | 0 - 25 | 0.001 | ±2 | 0.3 | 2 | Type A |
| 331-252-30 | 25 - 50 | |||||
| 331-253-30 | 50 - 75 | |||||
| 331-254-30* | 75 - 100 | ±3 | 3 | |||
| 331-261-30 | 0 - 25 | ±2 | 2 | Type B | ||
| 331-262-30 | 25 - 50 | |||||
| 331-263-30 | 50 - 75 | |||||
| 331-264-30* | 75 - 100 | ±3 | 3 |
Inch/Metric
|
Order No. |
Range (in) |
Resolution | Maximum permissible error JMPE (in) |
Flatness (in) |
Parallelism (in) |
Measuring face |
| 331-351-30 | 0 - 1 | 0.00005 in/ 0.001 mm |
±0.0001 | 0.000012 | 0.00008 | Type A |
| 331-352-30 | 1 - 2 | |||||
| 331-353-30 | 2 - 3 | |||||
| 331-354-30 | 3 - 4 | ±0.00015 | 0.00012 | |||
| 331-361-30 | 0 - 1 | ±0.0001 | 0.00008 | Type B | ||
| 331-362-30 | 1 - 2 | |||||
| 331-363-30 | 2 - 3 | |||||
| 331-364-30 | 3 - 4 | ±0.00015 | 0.00012 |
• Power source: SR44 battery (1 pc.), 938882 included as standard (for operational checks)
• Battery life: Approx. 2.4 years under normal use
• Position detection method: Electromagnetic rotary sensor
• Standard accessories: Setting standard, 1 pc. (except for measuring range 0 to 25 mm (0 to 1 in) models), Spanner (301336), 1 pc.
* Made to order.
| แบรนด์สินค้า | MITUTOYO |
|---|---|
| Digital/Analog | Digital |

| Order No. | L | a | b | c |
| 331-251-30 | 0 | 7.3 | 32.5 | 17.5 |
| 331-261-30 | ||||
| 331-252-30 | 25 | 10.1 | 47 | |
| 331-262-30 | ||||
| 331-253-30 | 50 | 11.5 | 60 | |
| 331-263-30 | ||||
| 331-254-30 | 75 | 16.7 | 76 | 20.3 |
| 331-264-30 |