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China Portable Optical Optometry Equipment 21.5 Inch LCD Eye Chart
OUYA-12
※ Standard power consumption: about 60W
※ Maximum contrast 2000
※ Maximum contrast 2000:1
※ Standby power consumption: less than 2W
※ Signal corresponding time: 5ms
※ The maximum resolution of the screen is 1680*1050*60HZ
※ Dimensions: 578 X 380X 74MM
※ Screen pitch: 0.282mm
※ Machine weight : 6.7KG ※ Screen type : TFT
※ Use distance: 1M~6.5M adjustable ※ Screen ratio: 16:9
※ Visual recording method: decimal, imperial score recording
※ Screen size: 21.5"
※ Remote control distance: The maximum remote control distance is not less than 8m
※ Visual size: 530mm X335mm
※ Shield: horizontal / vertical / single character
※ Color 16.7M ※ Viewing angle: H:170/V:160
※ Standard test pattern: Letter eye chart / children's eye chart / red and green blind test table / E word eye chart / C word eye chart / WORTH four point object / digital eye chart / cross chart / contrast sensitivity test table / CLCR red Green optotype / cellular optotype / Markov rod visual standard / loose disc optotype, etc.
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