LED Visual Chart
17" BackLit screen
Model: C901
CE & FDA Marked

Features:
1. Three Languages: Chinese, English, Russian;
2. Flexible adjusted working distances, according to Users' needs;
3. Various Visus Unites for different Operators' preference;
4. Red and Green Values can be set real time, according to the clinical condition;
5. Reversible Optotypes and Charts for mirrored room;
6. Image size can be changed freely according to the working distance;
7. Screen Saver and Standby function are available;
8. Gamma Calibration function brings professional contrast sensitivity measurement;
9. Software upgrade provided for free during the lifetime.

Floor stand and desk support are optional:

Techical Parameters:

Screen
Type                   17 inch XGA Panel with LED backlit screen
Resolution          1280*1024 pixels

Brightness          >200cd/m2 (min)

Charts

Optotypes            E,C,Alphabet, Numbers, Children, Allen pictures( Normal and V type)
Mask Type           Change of the background, Single mask, Horizontal Mask, Vertical      
                            Mask, Vertical Mask, Red/Green Mask, Contrast

Special Chart       ETDRS, Contrast Sensitivity Test, Contrast Test, Ishihara, Cross Cylinder, 
                            Astgmatic Fan Dial,Cross Grid, Fixation Spot Test, Stero Test, Red/Green 
                            Panel, Worth Four dot Test, Red/Green Balance, Traffic Light, Horizontal     
                            Conincidences, Vertical Connincidences,  Schober

                            Low Vision Chart (E,C,Alphabet, Numbers, Children (Allen pictures)) V 
                            Style Optotypes
Other Functions
Video playing, Image browsing, Randomization Optotypes Playing, Mirror function, Screen 
Save function, Standby function

Visus Unit
Decimal              0.05~2.0
Snellen(ft)          20/400~20/10
Snellen(m)         6/120~6/3
LogMAR            -0.3~1.3
5-Grade             3.7~5.3

Working Distance
2m~7m(in steps of 0.1m)   6ft~24ft (in steps of 0.5ft)
Low Vision Chart 0.6m~1.5m, in step of 0.1m

Power Supply
Input: AC100V~240V, 60Hz/50Hz
Consumption: 20Watt(max)

Remote Controller
Dimension: 540mm*420mm* 270mm( L/W/H)
Net Weight: 2.5kgs

Standard Accessories 
Remote Control, Red-green Glasses, Optotype Cards, Hanging Bracket, AC-DC Adapter,
Power Cable

Optional Accessories
Desk/Table Support, Floor Stand