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Click here to download Manual   Digital PD Ruler model INS-11041. PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry. Power off automactically by lying it down after operation; while power on automatically when picking it up. 1 Battery: 23A 12 battery Dimensions: 9 x 7 x 3 in / 23 x 17 x 7 cm Weight: 5.10 oz / 144 g
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🇺🇸 Ship from USA · On Agora since 2025
$121.00