About this item

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• 【Simple and accurate】PD Meter is a precision optical instrument used to measure distance between pupils in the process of optometry for spectacles. Compared with those printable rulers, our digital PD meter adopts high precision sensor and advanced intelligent electronic system to display the measurement results digitally, which is intuitive, accurate and easy to operate
• 【Button control】This digital interpupillary distance measuring tool is the first to use a push-button measurement mode instead of a slider, which makes interpupillary measurement more accurate and easier. The design principle is more advanced and reliable
• 【Auto sleep and shut down】If there is no operation, the LCD PD meter will enter the sleep state after 15 seconds, the light box and the green dot will turn off, and you can wake up by pressing any key; automatically turn off after 3 minutes, keep the measurement key still, and press the power key for 2s to turn on again Read the data
• 【Binocular and monocular】The measurement results of the digital pupilometer are displayed digitally, and the left eye and right eye measuring values are displayed separately
• 【30cm to ∞ adjustable vision distance】The 9S pupil distance meter is equipped with a adjustable distance button, suitable for different measured the distance of the distance. Can set 30cm, 40cm, 50cm, 65cm, 1m, 2m, ∞ and other different vision distance gears