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Alarm System ⇒Magnetic sensors
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Магнитоконтактные датчики

Magnetic contact detectors are used to detect unauthorized opening of doors, Windows, gates, and so on. Some of the most used sensors in the OPS.
The main element of the MCD istight contact (Reed contact). Managing contacts which the magnetic field: the magnet contacts are closed up, and if it is broken off and the chain is removed alarm trigger.

Magnetic detectors areof two parts: ReedRelay (Reed contact) to be installedon the stationary part of the construction,and magnet installed on opening the module. When the magnet is near the Reed contact, his contacts in the closed position. When opening the door of the MCD are posted, causing the disconnecting contacts.

The Reed switches mountingshare on overhead, recessedand for mounting on metaldoors. Value clearanceMCD varies between elementsDepending on the type of MCD of1 mm to 5 cm. There is a limitthe MCD on metaldesigns, in this case, you must use ferromagnetic spacers. According to Ukrainian standards are put in pairs: MCD, the distance from the edge of the door or window of 10 cm, the distance between the sensors is 10 cm.




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