There are different types of door sensors available in the market.
Automatic door sensor how it works.
Widely used in different co.
This pressure sensor would detect the presence of people in the area based on weight and facilitate the automatic opening and closing of the door.
The sensor has an internal reed switch that is closed when it is in direct proximity with a magnet.
That s why door sensors also known as entry sensors window sensors or contact sensors are some of the most popular home security devices.
The earliest electronic home security system was entirely made up of door sensors when someone opened a door or window it triggered a big vibrating bell in a central part of the home.
Motion detectors or optical sensors.
When the door is opened the magnet is separated from the sensor.
This releases the reed switch and the sensor alerts the panel.
A door contact sensor works using a sensor and a magnet.
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These sensors are usually mounted above the door and they emit an electromagnetic or infrared beam and look for changes in the projected field.
Most of these sensors use a reed switch a magnet to decide the status of a door whether it is opened or closed.
Door sensor working of a door sensor.
Several types of automatic doors are outfitted with proximity sensors.