LY-215 (230) 21.5", 45 charts, 2~ 6.5m

CE

Specification instruction:

LY-215 is 21.5" screen,
LY-230 is 23" screen,
Above both chart vision 's specification are all same.

Functional characteristics:
1.Super thin and light design, high definition scheme, The professional digital picture processing technology, fast switching, easy to operate.
2.Measuring accuracy with the distance from 2.0m to 6.5m and the smallest step 0.1m.
3.Offering single display function, which includes eight rows and three lines charts.
4.Offering fully charts, which includes the total forty-five charts: International C word, International E word, Children,Figures, Astigmatism, Binocular balance and so on.
5.Sitting type installation & Wall-hung type installation both available, which enable the installation convenient and maintenance easy.
6.High resolution LED screen and small dot pitch(0.294mm) adopted, which ensure the clear image seen.
Technical specifications:
01    Power supply: AC100V to240V,50/60Hz
02.   Standard power: Approx. 25W
03.   Standby power: Approx. 2W
04.   Dot pitch of monitor: 0.294mm
05.   Type of monitor: TFT,
06.   Size of monitor: 21.5''
07.   Ratio of monitor: 16:9
08.   DPI of monitor:  1680X1050/60Hz
09.   Visual size: 376X301mm
10.   Visual angle: H:170/V:160
11.   Color: 16.7M
12.   Max brightness: 300CD/M2
13.   Maximum contrast: 2000:1
14.   Corresponding signal time: 5ms
15.   External dimensions: 412X435X195mm
16.   Unit weight: 5.0Kg
17.   Measuring distance: 2M to 6.5M
18.   Recording methods of vision: Decimal & Imperial fraction
19.   Control distance: not less than 8M for maximum

Below stander is optional