BT-100 Digital VD/PD Auto Shut-off PD Meter Pupillometer Optical Digital PD Meter Pupilometer Interpupillary Distance Tester
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 | ||||
Voltage | DC 3V | ||||
Time for automatic shut-off | About 1 minute after stopping operation, or turn it off manually | ||||
Distance of target | 30 cm~∞ | ||||
Specification | 5# AA battery |