- Network Switches[2]
- Other Networking Devices[3]
- Software[4]
- Earphones & Headphones[9]
- Professional Audio[2]
- Other Switches[1]
- Time Switches[2]
- Wall Switches[9]
- Laboratory Furniture[1]
- Home Appliances Stocks[1]
- Dimmers[1]
- Energy Saving Equipment[10]
- Timers[8]
- Educational Equipment[2]
- Language Learning[6]
- Other Teaching Resources[1]
- Conference System[7]
- Visual Presenter[10]
- Other Office & School Supplies[1]
- Other Radio & TV Accessories[2]
- Radio & TV Broadcasting Equipment[1]
- Contact Person : Mr. Zheng Xingguo
- Company Name : Ningbo Hi-Tech Park Bolin Technique Co., Ltd.
- Tel : 86-574-87905127
- Fax : 86-574-87905127
- Address : Zhejiang,Ningbo,Room 1608, Xin Cheng Guo Ji, 535# Qing Shui Qiao Road, Gao Xin Qu
- Country/Region : China
- Zip : 315040
BL-2800SD Desktop Visualizer /office&school supplies
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Digital High Pixels CCD Visualizer and visual presenter ,document camera Main Features:
1. Visualize have Multimedia function
This machine can be connected with video projector and sound system; DVD player, central control system to form a multi-media teaching system. It is an important multi-media teaching platform.
2. Visualizer have display function
It has a high quality colorful image transfer system. It can factually convert the image data, text, physical object, film and slides into video composite signal and display it through a video projector, rear projection TV, etc.
3. Visualizer have full automatic function: Auto focus, auto aperture, auto white balance;
4. Visualizer have Positive/ Negative switch;
5. Visualizer have 270°rotatable camera;
6. Visualizer adopt LED light, can last a long time to light;
7. Visualizer can be controlled by a specific remote control. (Optional)
Model | 2800HV | 2800SD | 2800SV | |
Optical parts | lens | F1.6 -- F3.2, f=3.9 –85.5mm | F1.6 -- F3.2, f=3.9 – 85.8mm | F1.6 -- F3.2, f=3.9 – 85,8mm |
Display area | maximum 380×270 mm | maximum 380×270 mm | maximum 380×270 mm | |
Zoom | Optical 22 times, digital 8 times | Optical 22 times, digital 8 times | Optical 22 times, digital 8 times | |
Focus | Automatic | Automatic | Automatic | |
Aperture | Automatic | Automatic | Automatic | |
Video system | Camera | 1 / 4 "CCD Colorful | 1 / 4 " CMOS Colorful | 1 / 4 " CMOS Colorful |
Actual Pixels | 800,000 | 2,000,000 | 2,000,000 | |
Horizontal Definition | 480TV line | 650TV line | 650TV line | |
SNR | 52 | 52 | 52 | |
White balance | Automatic | Automatic | Automatic | |
Image processing functions | Positive/ Negative, Brightness adjustment, Image freeze, Mirror, Colorful/ Black and White, Divide Screen, Text / Image Mode, Capture, 8 image storage(can’t save after power off) | Positive/ Negative, Brightness adjustment, Image freeze, Mirror, Colorful/ Black and White, Divide Screen(image split) Text / Image Mode, Capture, 128 image storage (save after power off) | Positive/ Negative, Brightness adjustment, Image freeze, Mirror, Colorful/ Black and White, Divide Screen(image split) Text / Image Mode, 16 image storage (no save after power off) | |
Lighting parts | Assistant light | LED Light 1.5W*2 | LED Light 1.5W*2 | LED Light 1.5W*2 |
Back light | LED Light 4W | LED Light 4W | LED Light 4W | |
Input port | VGA *1 | no | Yes | Yes |
PC-Audio*1 | no | Yes | Yes | |
| MIC | Optional | Optional | Optional |
Output port | VGA*2 | no | Yes | Yes |
Video | Yes | no | yes | |
PC-Audio*1 | no | Yes | Yes | |
S-Video | Yes | Yes | Yes | |
USB | None | Yes | None | |
Control manner | Control panel | Yes | Yes | Yes |
remote control | Optional | Optional | Optional | |
USB control | None | None | None | |
RS-232 control | Yes | Yes | Yes | |
Use environment | power supply | DC 12V | DC 12V | DC 12V |
Power consumption | ≤30W | ≤30W | ≤30W |
BL-2800SD Desktop Visualizer /office&school supplies
