Digital PD Meter 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 |
| Specification | 5# AA battery |
| Time for automatic shut-off | About 1 minute after stopping the operation, or turn it off manually. |
Digital PD Meter Features
- Featuring consecutive measurement, direct point sampling, and high accuracy of orientation, with mechanical hairspring being leveled at the reflecting point of the human cornea.
- Using the high-definition line-shaped sensor, advanced intellectualized electronic system, and digital display to make the testing result more visible, legible, and accurate.
- LED light source and low power consumption guarantee long battery life.
- +2.00D eyesight compensation
- Accuracy self-check function
- VD measurement function
