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Office area monitoring camera how to choose?
- 3, and then there is clarity, and optional analog cameras and network high-definition camera, which is higher pixels, the price is relatively expensives
Monitoring camera 6mm 8mm 12mm 16mm length and width can be according to how much.
- 3.6MM10-20 meters 6MM20--35 meters 8MM30--50 meters 12MM40--60 meters 16MM50--70 meters General project is: the target in the display device is greater than or equal to 1/6 of the area, you can see the target.s
Test on camera delay problems
- Under normal circumstances, the ideal monitoring camera delay in 200ms or so, slightly worse IPC delay in more than 400ms. If the delay of the network camera to reach more than 400ms, you need to consider the serious delay phenomenon for the front-end equipment alarm.s
Monitor the camera live
- Generally the case is the reason for static electricity, in theory, if your camera is using a transformer, that is DC power supply, then basically can be excluded from the leakage caused by the low-voltage (DC12V) camera, if There is a strong power into the words, then the camera will not be able to use, and here to note is not only the camera will have static electricity on your own may also have static electricity, you may say the same two cameras have a One is not, but you have to know the principle of electrostatic discharge, only when you come into contact with the conductive body when the static electricity can be released, you will have the feeling of Ma. In fact, if the camera is used properly, you do not have to worry about whether it is with static electricity, if you really worry, you can ground the camera, the general ceiling has a fire pipe and bridge, you can choose them to ground.s
What is the difference between a wireless surveillance camera and a cable surveillance camera?
- Wired relative to the wireless signal a little better, the wireless a little easier, the quality of a clear choice of cable is better.s
Ccd monitor how the camera and computer connection
- Need to buy a video capture card, monitoring software (which can be downloaded online). Image signal: to do a screen line (SYV-75-5) connected to monitor the camera and the computer, power: 220 of the city of electricity connected to the 12V transformer power supply for the surveillance camera.s
Monitor the camera with a USB camera
- Mode. CMOS is complementary to each other metal oxide semiconductor, CMOS is mainly the use of silicon and germanium made of these two elements of the semiconductor, through the CMOS on the negatively charged and positively charged transistor to achieve the basic functionss
A camera for an hour how much space
- This depends on the camera to shoot the quality of the picture, give you a camera 130W, each picture is 30K look, the picture is 10 Zhen, then every 10 is the screen, that is 300K, 1 hour 3600 seconds , Take out 1080000KB to remove 1024, that is, 1G look likes
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