LY-3D-215 LED Polarization chart vision
Product Name:
LY-3D-215 LED Polarization chart visionModel No.:
LY-3D-215Minimum Order:
1
Product Abstract:
21.5 inches,polarization,LED
- Product Description
Differences between Chart vision Model# Product name Size of screen Screen ratio Max. resolution Projection distance Polarization Red&Green
3D C901 LED chart vision 17 inches 1028:1024 1280*1024 2~7m
0.6~1.5m(near distance)No Yes No LY-185 LED chart vision 18.5 inches 16:9 1366*768 1~6m No Yes No CM-1800 LCD Chart vision 19 inches 4:3 1280*1024 2~7m. No Yes No CP-27 LCD Chart vision 19 inches 16:9 1440*990 2~7m. No Yes No DCP-100 LCD Chart vision 19 inches 16:9 1280*1024 2~5m No Yes No CTS-600A LCD Chart vision 21.5 inches 9:16 1920*1080 2~6m Yes Yes No LY-3D-215 LED chart vision 21.5 inches 16:9 1920*1080 1~6m Yes Yes Yes CM-1900 LCD Chart vision 23 inches 16:10 1920*1080 2~7m. Yes Yes No LCD-236 LCD Chart vision 23.6 inches 16:9 1920*1080 2.5~6m Yes Yes No CP-27B Vision chart software Suitable for 14inch,17inch,19inch 19 inch widescreen computers. Characteristic 1、Unique intelligent function: Customer uses direction keys on the controller to answer instrument according to his/her judgment of the optotypes randomly appeared on the screen, system automatically speaks out the best value of eyesight. 2、Screen Brightness can be adjusted to be fit for the environment. The maximal screen brightness is 250cd/m2 according to national standard. 3、Delicate design、high definition display: This instrument is designed with professional video and audio multimedia processing technology, with rapid response and convenient operation. 4、With protecting function to ensure long lifespan of the screen. 5、Compatible with multifold types of video and audio files. 6、Accurate and exact, effective distance is 1-6m, can be adjusted to the minimum distance(1m) for crowded area. 7、With the maximum 3 lines and 8 rows of optotypes showing on screen, convenient for test. 8、Numerous option of optotypes: international C optotypes、E optotypes、letter optotypes、children optotypes、numeric optotypes、astigmatic optotypes、cross optotypes、binocular balance optotypes、color blindness optotypes, and so on. 3D-types instrument is designed with stereo polarization specially used for examine of stereo vision and binocular balance. 9、Convenient and quick installation: simply hang or place on solid surface, easy to maintenance. 10、LCD screen with the minimum 0.248mm of dot pitch and high resolution, vivid to display optotypes. 11、Powerful extended function: instrument can be used as a computer display, or as a multimedia player with U disc. 12、Allows to connect with AV or YPbPr signal. Parameter: Electric Voltage：220V/50Hz or 110V/60Hz Weight：4.6kg Visible size：376*301mm Overall size：415*400*55mm Package：50(L)x13(w)x40(H)cm Specifications: Screen size 21.5 inches Electrical source AC100V~240V/50Hz/60Hz Rated power ~60W Standby power ﹤2W Screen resolution retio 1920*1080 Dot pitch 0.248mm Screen ratio 16:9 Screen type TFT_LED Visible angle H:170/V:160 Color 16.7M colors Visible size 478.8 * 271.3mm Max.Brightness 250cd/m2 Max.contrast ratio 1000:1 Singnal response time 5ms Overall size(mm) 545*405*44 Effective distance 1~6m(adjustable) Record of vision test result imperial fraction,or decimal Emote-controlling distance Max.remote-controlling distance﹥8m 
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Contact Us
Contact:
Mr. Li YiyangTel:
+86 15001978117Fax:
+86-21-50301363E-mail:
jiahe@jhoptical.com-
