A digital precision optical instrument used to measure the distance between human pupils and pupil height in the process of an Fill a prescription.
Detailed product description:
1. the instrument adopts the precise optical structure, the optical path is clear, the measurement is accurate, the measurement data digital display, and the left and right display respectively.
2. the operation is simple and the measurement speed is fast. And with the adjustable distance knob, suitable for different measured the distance of the distance, so that the measurement distance of the distance
To be simple and accurate.
3. after the measurement is completed with memory function, the data will not be lost.
4. measurement of left or right unilateral.
Parameter
Effective measurement range: binocular distance: 46 - 82 mm, left and right distance: 23 - 41 mm
Indication error: ≤ 0.5 mm
Target distance: 30 cm to ∞
Voltage: DC 3v ( 2 aa battery )
Net weight: 0.7 kg
Inner box size: 28 ( l ) x 19 ( w ) x 10 ( h ) cm
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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