Installing Security Cameras: How Many And Where To Place.

The main division of the cameras follows the type of work with the image that is analog, HD-SDI or digital (network) IP-cameras.

The division into external execution goes to:

For additional camera functions, you can classify as:

Street cameras in performance bullet today are the most popular and sold cameras. They can be installed both outside and indoors.

The cases of these cameras are usually designed according to protection classes IP66 and IP67, which allows them not to be afraid of various weather conditions (rain, dust, frost). Most of these cameras have a fixed lens of 3.6 mm, which allows you to approximately identify a person at a distance of about 5-10 meters and provides a 24_ports degree viewing angle.

Infrared cameras (cameras with IR illumination) are very popular today, as they allow you to see what is happening on the site even in the total absence of lighting. Previously, IK-backlighting was the prerogative of street cameras, since at night ordinary cameras practically did not see anything, today one can meet internal cameras with IR illumination. These cameras around the lens have different (depending on the power and range of illumination) the number of IR diodes, which allow the camera and see in no light at a distance of 10 to 40 meters.

Better, when the security cameras system and its installation was carried out over a larger perimeter of the protected area. For example, it is desirable that the cameras are placed in each corner of the house (if this is a building) in two pieces. The system is simple enough: one camera looks in one direction, the second, respectively - in the second. This option practically excludes the presence of "dead" zones during the observation.

It is very important that CCTV installation of the entire system is carried out throughout the site of the site for reasons of high sensitivity. It is essential to ensure that surveillance can be carried out under any conditions. For example, in darkness or in conditions of poor illumination of the territory.

On the other hand, it is important to consider the availability of protective components for cameras from snow, rain, wind and other unfavorable natural factors. Thus, video cameras must be all-weather! They should be functional both at very low temperatures and at high enough.

In conclusion, I would like to note that in order to find and intercept in time the offense or penetration into the protected territory, it is extremely important to place additional cameras that would cover the entrances and exits of important premises.

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