The ARK-4000 provides measurement of sphere power, cylinder power, axis, pupil distance, and corneal curvature. It offers dependable data for eyeglass fitting and clinical evaluation. With Hartmann Imaging Processing technology, the device uses an 850 nm infrared lenslet array to capture fundus reflections and calculate refractive parameters, ensuring stable and accurate results for optical shops, clinics, and hospitals.
By pressing the Up & Don buttons,the users can set and adjust the height of the patient's chin freely and quicky.
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High brightness and contrast 8” wide color TFT LCD screen, smooth touch mode, different angle can be adjusted.
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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.
How many months warranty do you provide ?
one year
What should I do if the machine have question ?
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.
What should I do if the spare parts is broken in Warranty ?
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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ARK-4000 Auto Ref Keratometer
