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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 |
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
5.9" x 0.5" x 0.25" ; 0.98 Pounds
Processing time
According your order list. we will supply delivery time .
Commonly is 5-7 work days after we confirm payment
Shipping time
By Express : 3-7 days . Door to door service
By Air : 3-7 days . (the goods arrival at your local air ports )
By sea : 30-40 days (the goods arrival at your local sea ports )
PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.
one year
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .
We will send the spare parts by express to you soon.. and we bear express cost .
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United States
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Carrier
CostDelivery TimeTracking
EMS
$ 119.38 0-27 daysAvailable
Fedex IP
$ 140.1 3-27 daysAvailable
DHL
$ 393.96 0-27 daysAvailable
UPS Express Saver
$ 604.37 0-27 daysAvailable
Digital PD Meter Pupilometer Interpupillary Distance Tester