'My home – my castle' – is a saying in the course of the English. Surely, the world would find a man who would not want to protect their "nest" the most reliably. During the existence of mankind people have come up with a lot of ways of Defence housing. This complex system of locks and sturdy metal doors, fences and inaccessible. However, without doubt, to date, remain the most advanced technical means of, namely the perimeter alarm. Perimeter security systems are distinguished by the fact that given an opportunity to fix the fact of threats before they enter the house. Often, they are mounted to the fence that protects your possessions. Perimeter security signaling is highly sensitive and, therefore, can not guarantee that an attacker will be noticed and neutralized in time.
However, some specific means of detection should be chosen? For a start, it should be say that all means of detection can be divided into species such as radio-wave detector, vibration system, infrared sensor and radioluchevaya system. Vibration sensor, in turn, pinpoint certain sound vibrations. A special system distinguishes the background noise, and vibration alarm detector is triggered only when an attacker trying to penetrate the zascheschennuyu territory. The detectors are infrared security also deserve your attention. There are several types of such signaling, but the most famous are the detectors are passive infrared sensor which reacts to heat, that is, animals and people. That relatively radioluchevyh detectors, then the principle of their operation is based on the processing of microwave signals. This kind of alarm system is designed to determine the motion of an object.
Consequently, the sensors are mounted radioluchevye so that alleged robber they could "see". Usually they can be found on special poles or fences, buildings. Detectors are made radio-wave security of wires between them formed a field. If an object falls into the beyond the field, the system will be served an alarm signal. Now you know enough to find the right system for you, good luck!
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