eBay

AutoRef/Keratometer Eye Test ARK-4000 Ophthalmic Portable Auto Refractometer Touch Screener Adjustable Viewing Angle Optical ARK-4000 Digital Autorefractor Eye Test

Specifications:

Range of measurement	Sphere	-20~+20D(VD=12) 0.12D/25D step
	Cylinder	-10~+10D 0.12D/25D step
	Axis	0°~180° (1°step)
	PD	10-85mm,1mm step
	VD	0mm,12mm,13.75mm
	Min Pupil Size	2.0mm
Keratometry	Corneal apex distance	0.0, 12.0, 13.75, 15.0
	Spherical mirror degree	-20.00D ~ + 20.00D (VD = 12mm, 0.01, 0.06, 0.12, 0.25 units)
	Axis position	10 ~ 180 ° (1 ° unit)
	Cornea diopter	33.00D ~ 67.0D (when the corneal equivalent diopter is 1.3375)
	Cornea curvature radius	5.0 ~ 10.0mm (0.01mm accuracy)
	Measure light energy	<30uw (ensure measurement safety)
Others	Stored data	10 measurements each
	Display	8-inch TFT touch screen (adjustable viewing angle)
	Print	57mm thermal printer
	Power supply	AC 100 ~ 250V, 50 / 60Hz, wide power supply
	Dimension	680mm x (width) 400mm x (height) 640mm
	Gross weight	~26KG

Package includes:
1 x AutoRef/Keratometer

Note:
Import duties and taxes are NOT included in the item price or shipping cost, buyer is responsible for it.
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
Please allow slight manual measurement deviation for the data.

On 30-Aug-2024 at 05:01:22 BST, seller added the following information:

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