
Production Feature:
- Class A electrostatic protection.
- IP65 waterproof rating.
- Function: Switch; Metric/English system; Zero at any position.
- Carbide probes.
- Resolution: 0.001mm/0.00005".
- 3V lithium battery (CR2032), power consumption <15uA.
- Data output.
- Fast response time, no over-speed error, no power-on failure.
- Automatic power off.
| Model | Measurement Range | Division value | Precision |
| SM-025 | 0-25mm | 0.001mm | +0.003mm |
| SM-050 | 25-50mm | 0.001mm | ±0.003mm |
| SM-075 | 50-75mm | 0.001mm | ±0.004mm |
| SM-100 | 75-100mm | 0.001mm | ±0.004mm |
Outside Micrometer

Production Feature:
- Measuring surface with carbide tip.
- Smooth chrome surface with clear scales.
- With locking clamps.
- Ratchet locking device or friction sleeve ensures accurate repeatability.
- With a reference bar (excluding 0-25 models).
| Model | Measurement Range | Division value | Precision |
| SN-025 | 0-25mm | 0.01mm | ±0.004mm |
| SN-050 | 25-50mm | 0.01mm | ±0.004mm |
| SN-075 | 50-75mm | 0.01mm | ±0.005mm |
| SN-100 | 75-100mm | 0.01mm | ±0.005mm |
| SN-125 | 100-125mm | 0.01mm | ±0.006mm |
| SN-150 | 125-150mm | 0.01mm | ±0.006mm |
| SN-175 | 150-175mm | 0.01mm | ±0.007mm |
| SN-200 | 175-200mm | 0.01mm | ±0.007mm |
| SN-225 | 200-225mm | 0.01mm | ±0.008mm |
| SN-250 | 225-250mm | 0.01mm | ±0.008mm |
| SN-275 | 250-275mm | 0.01mm | ±0.009mm |
| SN-300 | 275-300mm | 0.01mm | ±0.009mm |








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