Enviro Testers Ophthalmic Equipment Digital Auto Refractometer

This ophthalmic equipment digital auto refractometer has a sphere range of +8.0 D, sphere intervals of 0.1 D, and a sphere tolerance of ±0.5 D.

SKU: ETEARFM-271 Category:

Features

  • Non-contact and non-invasive the light power safe for eyes
  • The distance between the instrument and the eyes is 35 cm (14inches)
  • Child-friendly little cooperation is required
  • Suitable for infants and those who have a language barrier
  • Speedy inspection
  • One key operation to complete the automatic detection of two eyes
  • The advanced optical detection principle provides an accurate result
  • Comprehensive detection modes Infant mode
  • Specially designed for infant
  • Myopia mode is customized for myopia people and even high myopia
  • Easy targeting
  • Luminant cross-shape facilitates the targeting for operator
  • Ultrasonic distance measurement
  • Automatically monitor the distance with audible and visual hint
  • Printer Thermal printer is connected by infrared

 

Technical Specifications

Sphere Range -6.0 D to +8.0 D
Sphere Intervals 0.25 D to 0.1 D
Sphere Tolerance ±0.5 D
Cylinder Range -3.0 D to +3.0 D
Cylinder Intervals 0.25 D to 0.1 D
Cylinder Tolerance ±0.5 D
Axis Of Astigmatism Range 1° to 180°
Axis Of Astigmatism Intervals
Axis Of Astigmatism Tolerance 0.25 D to 1.00 D
Working Distance Adult/Infant Mode 13.1 in (335 mm), 0.39 in (10 mm)
Confidence Level 10
Working Distance Myopia Mode 10.5 in (268 mm), 0.39 in (10mm)
Output Of The Laser Radiation 150 μW to 200 μW
Wavelength (850 nm) (20 nm)
Data Acquisition Time 2 second
Battery Voltage 11.1 V

 

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