Technical specifications – Welch Allyn SureSight Autorefractor - User Manual User Manual
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Technical Specifications
Technology:
Welch Allyn proprietary autorefractor hardware/
algorithm
Working distance:
14 inches (35 cm.)
Distance detection:
Automatic, with audible and visual cues
Eyepiece:
Illuminated target for easy aiming
Data acquisition time:
2.4s/eye
Data acquisition:
Measures and averages 5 to 8 readings/eye
Measurement Range:
Sphere: +5.5 to -5.0 Diopters
Cylinder: +/- 3 Diopters
Reliability measure:
Indicates number of and variation among
measurements for the given eye
Diopter display:
1/8 or 1/4 diopter increments
Axis:
1° increments
Stand:
Compact charger and SureSight storage
Weight:
Approximately 2.0 lbs. (0.9 Kg.)
Dimensions:
6.5” x 7.75” x 2”
Interfaces:
Remote infrared link to thermal printer.
RS-232 interface for IBM compatible PC for future
software upgrades/data transfer to electronic
medical records.
Laser safety:
Class 1 Laser Product per CDRH 21CFR 1040.10 and
1040.11, IEC 60825-1:2001
The maximum output of the laser radiation not to
exceed 33
W at a wavelength of 785 nm.
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