AISITESY Optical Equipment Pupil Measure PD Meter LY-9C Digital with Pupilometer Pd Puilp Distance Meter

Additional Details from the Manufacturer

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• 【Simple and Accurate】 PD Meter is a precision optical instrument used to measure the distance between pupils during optometry of eyeglasses. Compared with those printable rulers, our digital PD meter uses high-precision sensors and an advanced intelligent electronic system to digitally display the measurement results, which is intuitive, accurate and easy to operate.
• 【MEASURING ACCURACY】±0.1/0.2/0.5mm is adjustable: According to the accuracy requirements of the actual glasses, set the measurement step increment, that is, accuracy, instead of fixed 0.5mm, the measurement results are more reliable.
• 【Sight distance 30CM-200CM adjustable】 This function is used to measure the interpupillary distance of patients at different sight distances. , Digital Pupilometer If you wear glasses for office, adjust to normal eye distance for measurement. It can also be used in the production and sales of multifocal progressive lenses.
• 【SIMPLE OPERATION & EASY TO USE】 PD merter Turn the powerpower button to turn the instrument on and off or the pupilometer turns off automatically after operation and retain the memory to ensure longer battery life. Parallax is not induced by this system. The nose & forehead bearer, used to stabilize the instrument against the patient’s nose and forehead
• 【POWER METHOD】 1 AA batteries, due to relevant policies, the batteries are NOT INCLUDED, please kindly understandard. Press and hold the power button 3S! (Remember to press and hold for 2 seconds)