How Do Window Sensors Work?

Window sensors work by monitoring anyone coming and going through a window. A window sensor has two pieces that go onto the window, one on the frame and one on the window itself. When your window is closed, it creates a circuit. When the window opens, the circuit is broken and the alarm sounds.

The system uses a switch and a magnet to create this system. You can arm and unarm it, so you don’t have to be afraid to have your window opened if you want some fresh air in your home. While this technology may seem simple, it is effective. The sensor is somewhat small, so you don’t have to worry about it interfering with your interior design.

Window Sensors: How They Work

Window sensors are available in wired and wireless forms, but the cord can be difficult to use so most people want to choose wireless. Life mentioned above, there are two parts of your system.

The first is a “reed switch” that is found in many pieces of technology. This switch is a small circuit that is typically situated on the frame of the window or the part that doesn’t move. Then, there is a magnet of sorts that is put on the window itself. When the magnet is there, it holds two parts of the switch together and there is an electric current that flows throughout the reed switch.

The second that magnet moves, the electrical current stops and the alarm starts to sound. In many cases, the alarm is enough to scare away a traditional burglar.

While these are one of the oldest parts of a home security system, it is also one of the most effective.

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