Ark-4000 Digital Autorefractor
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Product Description
| Spherical | -20 - +20D (VD=12) 0.125D Step |
| Cylinder | 0.00D~+/-10.00D(0.06, 0.12, 0.25 increments) |
| Axis | 1.0 ~ 180 ° (1 ° unit) |
| Pupil distance | 10-86MM (Mini pupil size: 2.0mm |
| VD | |
| Min. pupil size | Min. pupil size |
| Keratometry | |
| Radius of curvature | 5.0-10mm (increment:0.01mm) |
| Corneal Power | 33.75-67.50D (when corner equivalent refractive index is 1.337) |
| Increment selectable from 0.12,0.25D | |
| Corneal astigmatism | 0.00-8.00D (Increment selectable from 0.12,0.25D) |
| Axis | 1-180D (increment :1°) |
| Corneal diameter | 2.0 -14mm (increment:0.1mm) |
| Stored data | 10 measurements each |
| Display | 8-inch TFT touch screen (adjustable viewing angle) |
| 57mm thermal printer, automatic paper cutting | |
| Power supply | AC 100 ~ 250V, 50 / 60Hz, wide power supply |
| Dimension | 680x400x640mm |
| Weight | 26kg (44lb) |