Microwave technology when used by motion detectors works by sending out microwave signals. These are referred to as dual-tech motion sensors. Some motion sensors use microwave technology, in addition to PIR technology. A lower pulse count will have the opposite effect. A higher pulse count will decrease device sensitivity by requiring a larger change in IR energy to set off the motion sensor. Many motion sensors have an adjustable pulse count that allows the user to increase or decrease device sensitivity. When a large enough change in IR energy is detected, the motion sensor will know to alert the system. A motion sensor can detect this IR energy based on a change in temperature. Every person and object gives off a very small amount of IR energy. This involves looking for the infrared (IR) energy that occurs with movement. Most motion sensors use passive infrared (PIR) technology to detect movement. The system must be Disarmed within an Entry Delay period, or else an alarm will occur. This will have the motion sensor operate much like an Entry/Exit Zone. Another option is to use Interior With Delay. By using a Response Type of Perimeter, an immediate alarm will occur if the motion sensor detects movement whenever the system is Armed. These users might prefer the Perimeter Response Type instead. Some users may want their motion sensor to be activate whether their system is Armed Away or Armed Stay. Not every motion sensor will use the Interior Follower Response Type. This way, you can still move freely throughout the building when your system is Armed Stay. However, the motion sensor will automatically be bypassed when the system is Armed Stay. Activating an Entry/Exit Zone is usually necessary for entering your home to Disarm. Activating the motion sensor while the system is Armed Away will cause an immediate system alarm, unless an Entry/Exit Zone is faulted first. This means that the motion detecting sensor will be active whenever the system is Armed Away. Most motion sensors are set up with an Interior Follower Response Type. Any intruder that enters will instantly set off the motion sensor, and the system will enter alarm.
MOTION SENSORS INSTALL
Many users will install motion sensors in rooms with windows so that they can effectively cover these areas without using contact sensors or glass break detectors. If an intruder manages to enter your property without setting off your system, then your motion sensors will serve as a good fall back option for detecting unwanted activity. These sensors respond reliably to motion that occurs in the building while you are away. Adding some motion detecting sensors to your system is very important.
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