Description
High Quality Digital PD Meter Optometry Pupilometer
The PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry for fitting spectacles.
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Volume
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25*21*10CM
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Unit G.W
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1kg
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Eyes distance
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45-82mm
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Left and right eye pupil distance
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22.5-41mm
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Electric Voltage
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DC 3V(2pcs 5# AA battery)
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