Battery powered PD meter
General Details
This PD meter offers accuracy self-checking function, equipped with LED light, and up to ±2.00 eyesight power compensation, PD & VD both testing can be conducted.
The device is fully 2 AA batteries running.
Features
- PD & VD measurement;
- 45-82MM PD measurement applicable;
- Diopter compensation offered;
Specifications
Pupil Distance Meter(PD Meter)
- Measurement range: 45-82MM in 0.5MM steps;
- Focus range: 30CM to Infinity;
- Illumination: LED;
- Automatic shut off: 1 minute or switch off;
- Power supply: 2AA batteries