PD Meter R-021
Product Specification:-
| Range of binocular PD | 45-82mm |
| Range of monocular PD | 22.5-41mm |
| Absolute vale of indicated error | ≤0.5mm |
| Absolute vale of asymmetrical error | ≤0.5mm |
| Absolute vale of rounding error | ≤0.5mm |
| Distance of testing target | 30cm~ |
| Power source | Voltage : DC3V~ |
| Battery | Rechargeable lithium battery |
| Size | 230x170x620mm |
| Weight | 0.7kg |
| Time for automatic shut-off | About 1minute after stopping operation, or turn it offmanually |