China Digital Pupilometer and Pd Meter for Optometry, Find details about China Pd Meter, Centrometer from Digital Pupilometer and Pd Meter for Optometry
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 |