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Electromagnetic Alarms Westland MI

Local resource for Electromagnetic Alarms in Westland. Includes detailed information on local businesses that provide access to Electromagnetic Alarms, keyless entry, garage door opener, driveway alarm, as well as advice and content on electromagnetic and electronic alarm system retailers and stores in your location.

Satellite Alarm Co
(313) 531-5000
19314 Grand River Ave
Detroit, MI
Mammoth Mobile Electronics
(313) 945-9121
15315 Joy RD
Detroit, MI
Critical Signal Technologies
(800) 557-4462
22600 Haggerty Road
Farmington Hills, MI
Stratus Security Management
(313) 837-7000
19804 Fitzpatrick St
Detroit, MI
Jam Sound Specialists
(313) 532-7044
19050 Telegraph RD
Detroit, MI
Dialtronic Security Systems In
(313) 535-9430
19316 Grand River Ave
Detroit, MI
Robinson'S Alarm Systems
(313) 345-4520
20410 Gardendale St
Detroit, MI
Scada Systems
(313) 240-9400
18611 W Warren Ave
Detroit, MI
Stealth Security
(313) 533-7704
21630 W Mcnichols RD
Detroit, MI
Sound and Secure Autosound and Security Systems
(313) 794-9300
18925 Telegraph RD
Detroit, MI

Electromagnetic Detection

Most intrusion detection systems in use today utilize some form of electrical circuit running through wires, mechanisms, metalized tape or foil. If any part of the electric circuit running through two pieces of metal in the door locks or window lock mechanisms , or if a strip of metallic tape on the window glass is broken, it trips an alarm.

Circuits work well when an intruder attempts entry as one would expect, by opening a door or window. Burglars however, know how to use crowbars and other burglary tools to get through doors without disrupting these electrical circuits. In warm climate regions, houses may have thin walls, and entry can be gained by cutting through a wall. Tape or wire mesh in the wall would have to be torn or cut through to gain entry, thus tripping the security alarms .

Limitations occur in a circuit system because the gap or break can be bridged when the burglar breaks the tape or magnetic connection with a long wire or piece of metalized tape, prying open a door or window frame without setting off the alarm.

Magnetic Contact Circuits

Electromagnetic systems are often used on doors to apartment buildings and secure areas in government offices. They use a magnet in one sealed enclosure and a switch in another sealed enclosure and when the magnetic contact is broken, the alarm signal sounds.

In order to open a door protected with a magnetic door latch, a button has to be pushed by an attendant to allow the door to be opened by the visitor...

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