
• Measures “root tangent length” of spur gears and helical gears.
• Equipped with Ratchet Stop for constant measuring force.
SPECIFICATIONS
Metric
| Order No. | Range (mm) |
Resolution (mm) |
Maximum permissible error J MPE (µm) |
Flatness (µm) |
Parallelism (µm) |
Anvil dia. (mm) |
Measurable module |
| With SPC data output | |||||||
| 323-250-30 | 0 - 25 | 0.001 | ±4 | 1 | 4 | ø20 | 0.5 - 6 |
| 323-251-30 | 25 - 50 | ||||||
| 323-252-30 | 50 - 75 | ±6 | 6 | ||||
| 323-253-30 | 75 - 100 | ||||||
Inch / Metric
| Order No. | Range (in) | Resolution | Maximum permissible error J MPE (in) |
Flatness (in) |
Parallelism (in) |
Anvil dia. (in) |
Measurable module |
| With SPC data output | |||||||
| 323-350-30 | 0 - 1 | 0.00005 in/ 0.001 mm |
±0.0002 | 0.00004 | 0.0002 | ø0.787 | 0.5 - 6 |
| 323-351-30 | 1 - 2 | ||||||
| 323-352-30 | 2 - 3 | ±0.0003 | 0.0003 | ||||
| 323-353-30 | 3 - 4 | ||||||
• 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.
| แบรนด์สินค้า | MITUTOYO |
|---|---|
| Inch-Metric | Metric |
| Digital/Analog | Analog |

| Range (mm) | L | a | b | c | e | f | t |
| Analog | |||||||
| 0 - 25 | 0 | 13.8 | 25 | 5.7 | 20 | 8 (9.8) | 0.7 (0.7) |
| 25 - 50 | 25 | 13.8 | 32 | 5.7 | 20 | 8 (9.8) | 0.7 (0.7) |
| 50 - 75 | 50 | 12 | 49 | 5.5 | 20 | 8 (9.8) | 0.7 (0.7) |
| 75 - 100 | 75 | 14 | 63 | 5.5 | 20 | 8 (9.8) | 0.7 (0.7) |
| 100 -125 | 100 | 12 | 79 | 6 | 30 | 12 | 1 |
| 125 - 150 | 125 | 14.5 | 94 | 6 | 30 | 12 | 1 |
| 150 - 175 | 150 | 15.2 | 106 | 6 | 30 | 12 | 1 |
| 175 - 200 | 175 | 14.5 | 118 | 6 | 30 | 12 | 1 |
| 200 - 225 | 200 | 13.5 | 130 | 6 | 30 | 12 | 1 |
| 225 - 250 | 225 | 13.5 | 143 | 6 | 30 | 12 | 1 |
| 250 - 275 | 250 | 14.5 | 156 | 6 | 30 | 12 | 1 |
| 275 - 300 | 275 | 14.5 | 169 | 6 | 30 | 12 | 1 |
Note: Data in ( ) applies to those with carbide-faced disks.