Manual PD Meter for Pupil Distence Checking
CE and FDA
PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry.
This device is designed in a scientific and reasonable way, integrating technologies on optics, microelectronics.
| Specifications |
|
| Binocular pupillary distance |
45~82mm |
| Left or right pupillary distance |
22.5~41mm |
| Indication error |
≤0.5mm |
| Rounding error |
≤0.5mm |
| Distance of target |
30cm~∞ |
| Power source |
Voltage: DC 3V |
| Specification |
5# AA battery |
| |
Quantity: 2 pieces |
| Time for automatic shut-off |
approx 1 minute after stopping operation, or turn off manually |
| Packages |
233mm(L)×165mm(W)×70mm(H) |
| Weight |
0.68kg |
Audited Supplier 
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