Digital PD Meter, Optical Digital Pupilometer with LCD Display Optical PD Meter (White)

Features

• HIGH ACCURACY: Our PD meter is uses mechanical hairspring to level the reflecting point of the human cornea to realize a consecutive measurement. It features direct point sampling and high accuracy of orientation.
• ENERGY- SAVING DESIGN: The design of the LED lamp-house has low-power consumption to ensure the prolonged service life of batteries, and the brightness of the LED is adjustable.
• AUTO SHUTDOWN: If there is no operation after 3 minutes the machine will automatically shut off. To reactivate and turn back ON, keep the measurement key still and press the power key for 2 seconds.
• LONG READING TIME: As long as the slide controls have not been moved the machine retains the readings on screen while and even in memory when it is switched back ON. The digital PD Meter has a reading which lasts approximately 3 minutes.
• APPLICATION: Digital PD meter is suitable for eyesight examining in spectacle shops, ophthalmology departments in hospitals and schools, and enterprises.