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GD08005
PD Meter
Specifications:
1. Method of measurement:
Cornea reflection light coincidence method
2. Effective measurement range:
45-82mm (Binocular pupillary distance),
22.5-41mm (Left or right pupillary distance)
3. Absolute indication error: ≤0.5mm
Absolute dissymmetrical error: ≤0.5mm
Absolute rounding error: ≤0.5mm
4. Distance of target: 30cm~∞
5. Auto-off time: 1 minute
6. Power source: DC 4.2V
7. Weight: 0.8 kg
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