Digital PD Meter (HR-20.52A)

 

• Compact and easy to read display

• Effective Range of Measurment

  • Binocular pupillary distance: 45mm ~ 82mm​

  • Left or right pupillary distance: 22.5mm ~ 41mm

• Indication error: ≤ 0.5mm

• Asymmetrical error: ≤ 0.5mm

• Rounding error: ≤ 0.5mm

• Target distance: 30cm ~ ∞

• Power source:

  • Volatge: DC 3V-3.7V​

  • Requires: 2 AA batteries 

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Model: HR-20.52A