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ZN-215-DF LED chart vision, 21.5 inch, 1~ 6m, polarization and stereopsis optional
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Item#
ZN-215-DF
Abstract
polarization and stereopsis function are optional
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Specification
1) 21.5 normal
2) 21.5 3D Polarization
Description
| Specifications： | |||||||
| Display | 21.5 inches | ||||||
| The highest brightness | 250 cd/m2 | ||||||
| Standby power | <2W | ||||||
| Chart versions |
Letter
charts/Kid charts/Red green color blindness/E charts/C charts/WORTH four dot
charts/Numeric charts/Cross charts/ Contrast sensitivity charts/Red green charts/Cellular charts/Markov rod charts/Astigmatism etc. |
||||||
| Resolution ratio | 1920 * 1080 | ||||||
| Screen ratio | 16:9 | ||||||
| Screen type | TFT_LED | ||||||
| Visual size | 478.8 * 271.3mm | ||||||
| Visual angle | H:170 /V:160 | ||||||
| Max contrast ratio | 1000:1 | ||||||
| Signal response time | 5ms | ||||||
| Color | 16.7M colors | ||||||
| Distance | 1 ~ 6m | ||||||
| Remote control distance | The farest distance is≥8m | ||||||
| Screen pitch | 0.248mm | ||||||
| Record of vision test result | Imperial fraction,or decimal | ||||||
| Power supply | Input: AC110~220V50/60Hz | ||||||
| Power consumption | 56W | ||||||
| Size of machine | 54.5cm(L) * 40.5cm(W) * 6cm(T) | ||||||
| Packaging | 65 x 15 x 50 cm | ||||||
polarization and stereopsis function are optional
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