Birmingham Optical Group

NIDEK AR-20 Hand Held Autorefractor

The AR-20 is a lightweight, portable Autorefractor, it is similar in size to a video camera and easily transportable.

Features & Benefits

Wireless Communication – Infrared wireless communication connects the main body to the station printer, eliminating troublesome cord connection.
Accurate & Speedy Measurement – A newly developed three meridian phase difference measuring technique is adopted to attain accurate and speedy measurement.
Quick Mode – You are able to select the quick mode to rapidly measure the eyes of children, or patients who have a tendency of blinking frequently.

Technical Specification

Measurement of Refractive Power
Spherical Power	Measurable Range -20.00D to +22.00D Indication step 0.12D / 0.25D
Cylindrical Power	Measurable Range 0D ~±12.00D Indication step 0.12D / 0.25D
Cylinder Axis	Measurable Range 0~180° Indication step 1°/5°
Min.Pupil Diameter Measurable	Ø2.6mm
Measurement Of Refractive Power	Time is 0.2 sec.
Chart	Scenery Chart
Observation & Indications	2.5 inch colour LCD monitor
Station Unit
Printer	Thermal line printer
Interface	RS-232C
Standard Accessories	Spare fuses, spare printer paper, Dust Dust cover, Power chord, Battery, Interface Cable, Hand strap.

Product Code EQ0205