HAR-800 Optometry Handheld Auto Refractometer
HAR-800 Handheld Auto Refractometer
Non-contact and non-invasive:
The light power is safe for eyes; There is 35cm(14 inches)between the instrument and the eyes.
Little cooperation is required, suitable for infants and those who have a language barrier.
One Key operation to complete the automatic detection of two eyes:
The advanced optical detection principle provides an accurate result: including myopia, hyperopia, astigmatism, axial and anisometropia.
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.
Luminant cross-shape facilitates the targeting for operator.
Ultrasonic distance measurement:
Automatically monitor the distance with audiable and visual hint.
Printer: Thermal printer is connected by infrared.
|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|
|Cylinder range||-3.0D to 3.0D||-3.0D to 3.0D||-3.0D to 3.0D|
|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 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|