Hot Sale HAR-800 Optometry Portable Autorefractor Price
Features:
1. Non-contact and non-invasive:
The light power is safe for eyes; There is 35cm(14 inches)between the instrument and the eyes.
2. Child-friendly:
Little cooperation is required, suitable for infants and those who have a language barrier.
3. Speedy Inspection:
One Key operation to complete the automatic detection of two eyes:
4. Accurate Result:
The advanced optical detection principle provides an accurate result: including myopia, hyperopia, astigmatism, axial and anisometropia.
5. Comprehensive detection modes:
Infant mode is specially designed for infantsl Myopia model is customized for myopia people and even high myopia people (HAR-880 only); Adult mode is suitable for all adults.
6. Easy targeting:
Luminant cross-shape facilitates the targeting for operator.
7. Ultrasonic distance measurement:
Automatically monitor the distance with audiable and visual hint.
8. Printer: Thermal printer is connected by infrared.
Specifications:
| Optical Parameters |
Mode |
Infant mode |
Adult mode |
Myopia Mode (HAR-880 only) |
| Sphere range |
-6.0D~+8.0D |
-6.0D~+8.0D |
-9.0 to +2.0D |
| Sphere interval |
0.25D/0.1D |
0.25D/0.1D |
0.25D/0.1D |
| Sphere tolerance |
±0.5D |
±0.5D |
±0.5D |
| Cylinder range |
-3.0D to +3.0D |
-3.0D to +3.0D |
-3.0D to +3.0D |
| Cylinder interval |
0.25D/0.1D |
0.25D/0.1D |
0.25D/0.1D |
| Cylinder tolerance |
±0.5D |
±0.5D |
±0.5D |
| Axial of astigmatism range |
1°~180° |
1°~180° |
1°~180° |
| Axial of astigmatism interval |
1° |
1° |
1° |
| Axial of astigmatism tolerance |
0.25D-1.00D |
±10° |
±10° |
±10° |
| 1.25D-3.00D |
±5° |
±5° |
±5° |
| Intervals are adjustable |
| Function Parameter |
Working distance |
Adult/infant mode |
335±10mm |
Confidence level |
10 |
| Myopia mode (HAR-880 only) |
268±10mm |
| Output of laser radiation |
150 to 200um |
Wavelength |
850±20nm |
| Data acquisition time |
2s/eye |
Battery Voltage |
d.c. 11.1V |
| Distance measurement |
Automatic, with audible and visual hint |
| Battery life |
More than 6 hours of continuous usage |
| Low-battery warning |
Indicates 15 minutes usage remains |
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