PD-B Digital PD Meter
PD-B Digital PD Meter
SKU:PD-B
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The PD-B features continuous measurement, direct point sampling, and high-precision alignment. Its mechanical hairspring is precisely calibrated to align with the corneal reflection point, ensuring reliable and consistent results.
Powered by a high-definition linear sensor and an advanced intelligent electronic system, the PD-B delivers clear, easy-to-read digital results with exceptional accuracy.
An energy-efficient LED light source and low-power design help maximize battery life, making the PD-B both powerful and practical for extended daily use.
Features:
- +2.00D eyesight compensation
- Self-check accuracy function
- VD measurement function
Specifications:
| Binocular pupillary distance | 45～82 mm |
| Left or right pupillary distance | 22.5～41 mm |
| Indication error | ≤0.5 mm |
| Rounding error | ≤0.5 mm |
| Distance of target | 30 cm～∞ |
| Power source | DC 3V |
| Battery | 5 AA battery |
| Time for automatic shut-off | About 1 minute after stopping the operation, or turn it off manually. |
