The problem for installing video surveillance systems in the office solved by installing video cameras and digital videoregistratsii. This - the foundation of any video surveillance system. In addition, there are additional equipment. This display, which will be displayed for viewing the video (better to choose a professional monitor - a video screen protection, or screens). Also in additional equipment could include cable (cable KVK, SHPPV, SHSM), connectors, power supplies.
What tasks can choose video surveillance system in the office?
First of all, this security problem. Video surveillance can not apprehend a criminal who committed the crime, but can prevent malicious actions. If the offender sees that your equipment installed video surveillance cameras, he likely renounce his intent. Why commit a crime in the protected site, where around a number of offices that have no protected? Also video can fix the time of the crime - if it did it was committed. And to restore the picture of the crime would be much easier. According to statistics, 89% of crimes rasskryvayutsya hot pursuit, if the site is video surveillance.
A bit of information about the sensitivity of video surveillance cameras. The sensitivity of surveillance cameras
The sensitivity of cameras affect the quality of images in twilight or darkness. Black-and-white camera, as mentioned above, notably sensitive colored. Compared with the human eye sensitivity black-and-white television has sdvinuta in the infrared. Infrared radiation is not visible to human eyes, but perfectly fixed TV cameras. This is based opportunity to see some cameras in almost complete darkness. There are black-and-white camera with a sensitivity of 0.001 lux, which allows video surveillance, even at night - at little or distant light sources.
During the day lightness of the controlled facility, as a rule, is undergoing significant changes. In order to maintain a constant amount of light in the matrix using the built-in auto electronic shutter camera lens or automatic diaphragm (autoiris).
Lenses with automatic diaphragm support matrix illumination at a constant level, changing the size of the inlet. Aperture lens, like the pupil of human eyes, with high luminance is narrowing, allowing less light and low light expands. This gives a signal from a camcorder with a good contrast, without zasvetki or darkening.
How to choose a company that you want to entrust the installation of video surveillance system in the office?
There are proven ways. First of all - experience. See how many years the company in the market for installing video surveillance systems. Look at the list of sites which had been installing the system. For information on leading companies can be found on the Internet. Not lenites, call the client company with which you want to start working - and get his recommendations.
The most important thing you need to know: video surveillance - is one of the surest ways to keep your office safe.