GR8903 = FA-6000A Auto Refractometer

General Details
Autorefractometer GR8903 offers same design and function of xinyuan model FA-6000A, it was basic and best seller in south Asia, Africa and South America.
1.sphere:-20 to+20D(0.12D/0.25D steps)
2.cylinder:0 to ± 8D(0.12D/0.25D steps)
3.axis:0 °to 180°(1° steps)
4.Pupil distance: 45mm-88mm(1mm steps)
5.Vertex distance:0/12/13.75mm
6.Cylinder form:+/-,+,-
7.Minimum pupil size:2.0mm
8.Chart:Auto fog
9.monitor:Color 5.6〞TFT LCD
10.printer:Thermal printer
11.dimensions:49X28X46CM in 20KG