They are cheap and reliable.
Magnetic door contact sensor.
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Generally in comes in two components.
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Spdt switches connect to an alarm system and to another device such as a motion detector.
Magnetic door contact sensor magnetic contact is used to detect opening of door gate or windows in the event of intrusion.
You can also choose from door position sensor and personal door magnetic contact.
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Such sensors consist of two parts a contact that is installed on the door window frame and an activating magnet that is mounted on the door.
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Wire contacts to an alarm system to alert when doors or windows are opened.
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Magnetic contact sensors can be added to existing wired alarm systems.
They are cheap and reliable.
With over 400 magnetic contact sensor models to choose from sentrol offers the most comprehensive line of door contact and peripherals available.
Magnetic contacts are perfect for use in situations where it is not suitable to fit pir sensors for example where there are pets or animals.
A wide variety of door magnetic contact sensor options are available to you such as resistance sensor inductance sensor and current sensor.
Mount the magnet to the door or window and mount the switch to the frame.
The alarm will activate when the magnet is pulled away by the opening door or window.
They are installed at upper and lower opening gap of the door.
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