Portable Handheld Auto Refractometer MHAR800 | High Precision Optical Instrument

Portable Handheld Auto Refractometer - Optical Instrument

Auto Refractometer Features:

1. Non-contact and Non-invasive:

   • Safe for eyes with a 35cm (14 inches) distance between the instrument and the eyes.

2. Child-friendly:

   • Minimal cooperation required, making it suitable for infants and individuals with language barriers.

3. Speedy Inspection:

   • One-key operation to complete the automatic detection of both eyes.

4. Accurate Results:

   • Advanced optical detection provides precise measurements for myopia, hyperopia, astigmatism, axial, and anisometropia.

5. Comprehensive Detection Modes:

   • Infant Mode: Specifically designed for infants.
   • Myopia Mode (HAR-880 only): Customized for individuals with myopia, including high myopia.
   • Adult Mode: Suitable for all adults.

6. Easy Targeting:

   • Luminant cross-shape assists the operator in targeting.

7. Ultrasonic Distance Measurement:

   • Automatically monitors distance with audible and visual cues.

8. Integrated Printer:

   • Thermal printer connected via infrared.

Auto Refractometer Specifications:

Optical Parameters:

• Modes:

  • Infant Mode
  • Adult Mode
  • Myopia Mode (HAR-880 only)

• Sphere Range:

  • Infant/Adult Mode: -6.0D~+8.0D
  • Myopia Mode: -9.0D to +2.0D

• Sphere Interval: 0.25D/0.1D

• Sphere Tolerance: ±0.5D

• Cylinder Range: -3.0D to +3.0D

• Cylinder Interval: 0.25D/0.1D

• Cylinder Tolerance: ±0.5D

• Axial of Astigmatism Range: 1°~180°

• Axial of Astigmatism Interval: 1°

• Axial of Astigmatism Tolerance:

  • 0.25D-1.00D: ±10°
  • 1.25D-3.00D: ±5°
  • Intervals are adjustable.

Functional Parameters:

• Working Distance:

  • Adult/Infant Mode: 335±10mm
  • Myopia Mode (HAR-880 only): 268±10mm

• Confidence Level: 10

• 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 hints

• Battery Life: Over 6 hours of continuous usage

• Low-Battery Warning: Indicates 15 minutes of usage remains.

• Warranty : 1 YEAR
• Sphere range : -6.0D~+8.0D
• Sphere interval : 0.25D/0.1D
• Sphere tolerance : ±0.5D
• Cylinder range : 3.0D to +3.0D
• Working distance : Adult/infant mode 335±10mm
• Low-battery warning : Indicates 15 minutes usage remains
• Battery life : More than 6 hours of continuous usage
• Distance measurement : Automatic, with audible and visual hint
• Function : Eye Sight Testing