Welch Allyn SureSight Autorefractor - User Manual - Manual (Page 12)

8
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.