Explore Details
The ARK-8500 Auto Refractometer & Keratometer is designed for fast and stable refractive and corneal measurement in hospitals, clinics, and optical centers. It uses a Hartmann-type optical system with high-speed image acquisition to improve measurement accuracy and efficiency.
The device supports automatic motorized focusing in horizontal, vertical, and depth directions, helping quickly find the optimal measurement position. A flip 9-inch touchscreen and built-in thermal printer with auto-cut function improve usability and workflow efficiency.
Measurement Functions:
- Refraction (sphere, cylinder, axis)
- Corneal curvature measurement
- Corneal refractive power analysis
- Pupil distance (PD) measurement
- Pupil size detection
- Keratometry and corneal axis measurement
- Multi-group data storage
Specifications
| VD Range | 0.0, 12.0, 13.75, 15.0 |
| Spherical Range | -20.00D ~ +20.00D (VD = 12mm, 0.01, 0.06, 0.12, 0.25 increments) |
| Cylinder Range | 0.00D ~ ±10.00D (0.06, 0.12, 0.25 increments) |
| Axis | 1° ~ 180° (1° increments) |
| Cylinder Symbol | -, +, ± |
| PD | 10 ~ 86mm |
| Mini Pupil Size | 2.0mm |
| Average Measurement Time | <0.5 seconds |
| Pupil Diameter | 2.00–8.00mm |
| Max Brightness | <30uw (safety assured) |
| Curvature Radius | 5.0 ~ 10.0mm (0.01mm increments) |
| Refractive Power | 33.00D ~ 67.0D (corneal equivalent diopter = 1.3375) |
| Corneal Power | 0.00D ~ -15.00D (0.06D / 0.12D / 0.25D increments) |
| Data Save | 10 groups Left/Right eye |
| Axis (Corneal) | 1° ~ 180° |
| Target | Auto Fog |
| Monitor | 9-inch TFT Touch Screen (Flip) |
| Printer | 57mm width, auto cut |
| Power | AC 100~250V, 50/60Hz, wide voltage |
| Net Weight | 22 kg |
| Gross Weight | 26.5 kg |
| Packing Size | 680mm (L) × 400mm (W) × 640mm (H) |
Trusted Services:
1. Get Video and Brochure with Email or WhatsApp.
2. Free online technical support and training.
3. Free online installation support.
4. 1-3 Years quality warranty.
5. Lifetime after sales support.
6. Most products are CE and ISO 13485 certificated.
7. Free input voltage and plug customization for electrical machines.
8. Fast worldwide shipping, 5-10 working days delivery for most countries.
9. Partial prepayment is acceptable before shipping.
10. Discount price, non-branded or customized products can be offered for distributors.



