PD18

PD METER

Specification:
1.Range of measurement:
Pupillary distance of two eyes:45mm-82mm
Pupillary distance of the left and right eyes: 22.5mm-41mm
2. Working distance measuring grades: 30cm-∽
3. Indication error: =0.5mm or <0.5mm
4. Asymmetry error: =0.5mm or <0.5mm
5. Rounding error: =0.5mm or <0.5mm
6. Autometic shut-off: 1 minute after operation stops
7. Voltage: DC 6V