Pupillometer (PD meter)

Specifications:

-Effective range of measurement: Binocular from 45 to 82mm and monocular from 22.5 to 41mm.

-Accuracy self-check function.

-Graduation : 0,5mm.

-The brightness of the LED lamp is adjustable.

-Automatic shut-off: after 1 minute of inactivity.

-Visual distance: 30cm to infinity.

-The design of LED lamp-house and low power-consumption makes the battery life prolonged.

-Power source: 2 AA batteries.

-The angle of vision can be compensated by +2.00D.