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$ 72
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$ 65
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165
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$ 45
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$ 25
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$ 35
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$ 200
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Specifications
Effective Range of Measurement: |
|
Binocular papillary distance | 45 ~ 82 mm |
Left or right papillary distance | 22.5 ~ 41 mm |
Indication Error | ≤ 0.5 mm |
Asmmetrical error | ≤ 0.5 mm |
Rounding Error | ≤ 0.5 mm |
Distance of Target | 30 cm ~ ∞ |
Power Supply | DC 3-3.7V; 2 x 5# AA Battery |
Time for Automatic Shut-off | About one minute after stopping operation |
Description
PD meter is a precision optical instrument used to measure distance between pupils. This device is a scientific and perfect design, consisting of measurement system, optical system, ESS and computer software system. Learn more about Pupillary Distance
Product features
The brightness of LED and the precision of the PD meter are adjustable.
The vision distance is adjustable.
Monocular PD measure available.
+2.0d compensation for the degree of eyesight is available.
Turn off automatically.
Long reading time.
Packing list：
PD meter X 1
User's Manual X 1
Package Dimensions
5.9" x 0.5" x 0.25" ; 0.98 Pounds
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United States
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