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