ARK-4000 Automatic Measurement Autorefractometer Optical Optometry Auto Refractometer and Keratometer
The world’s most advanced Hartmann principle auto refractor keratometer
The measurement accuracy error is between 25 degrees
Description
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Range of measurement |
Sphere
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-20~+20D(VD=12) 0.12D/25D step
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Cylinder
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-10~+10D 0.12D/25D step
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Axis
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0°~180° (1°step)
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PD
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10-85mm,1mm step
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VD
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0mm,12mm,13.75mm
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Min Pupil Size
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2.0mm
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Keratometry |
Corneal apex distance
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0.0, 12.0, 13.75, 15.0
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Spherical mirror degree
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-20.00D ~ + 20.00D (VD = 12mm, 0.01,
0.06, 0.12, 0.25 units) |
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Axis position
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10 ~ 180 ° (1 ° unit)
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Cornea diopter
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33.00D ~ 67.0D (when the corneal equivalent
diopter is 1.3375) |
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Cornea curvature radius
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5.0 ~ 10.0mm (0.01mm accuracy)
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Measure light energy
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<30uw (ensure measurement safety)
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Others
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Stored data
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10 measurements each
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Display
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8-inch TFT touch screen (adjustable viewing angle)
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Print
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57mm thermal printer
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Power supply
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AC 100 ~ 250V, 50 / 60Hz, wide power supply
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Dimension
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680mm x (width) 400mm x (height) 640mm
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Gross weight
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~26KG
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