Auto chart projector, 19"
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Description
- Tests:
- The Snellen chart
- Landolt CE chart
- Lea test
- Golovin–Sivtsev table
- Double eyes balance test
- Red & green deepness adjustment
- Contrast test
- logMAR chart
- Number randomize
- Rosenbaum chart
- Jaeger chart
- Polarizing test
- Input power supply parameters: 100-240 V, 50/60 Hz
- Standard power consumption: about 45 watts
- Power consumption: less than 2 watts
- Maximum screen resolution: 1440x900
- Distance between screen points: 0.284 mm
- Screen type: LCD
- Aspect ratio: 16:9
- Screen size: 19“ (434 * 237 mm)
- Color depth: 16.7 million colors
- Viewing angle: 170 ° (horizontal), 160 ° (vertical)
- Maximum brightness: 300 cd/m2
- Maximum contrast: 2000: 1
- Signal response time: 5 ms
- Total size: 465 * 283 * 45 mm
- Package size: 525 * 350 * 115 mm
- Total weight: 3.5 kg
- Working distance: 1~6.5 m
- Visual acuity record method: The decimal English scores recording
- Remote control working distance: not less than 8 m
- Installation method: bracket, can be installed and hung on the wall
Description
The on-screen ophthalmic sign projector is an automatic display system of optotypes and is designed to project various test signs in the study of monocular and binocular vision and the purpose of optical correction for distance. It allows you to determine visual acuity for distance, astigmatism and the direction of the main meridians of the astigmatic eye, the state of binocular vision, hyperophoria and other deviations. The device is controlled using a special remote control.
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