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Electromagnetic Alarms Butte MT

Local resource for Electromagnetic Alarms in Butte. 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.

A & M Fire & Safety Supply
(406) 723-6819
739 Utah Ave
Butte, MT
 
Mining City Merchant Police
(406) 782-1593
2720 Elm St
Butte, MT
 
Mahugh Fire & Safety Llc
(406) 494-4730
110 Green Acres Dr
Butte, MT
 
Anytime Lock & Safe
(406) 755-4920
52 5th Avenue West N
Kalispell, MT
 
Grizzly Security Alarms Inc
(406) 755-4089
154 Riverside Dr
Kalispell, MT
 
Timberline Security & Svc Llc
(406) 490-4866
3660 Hancock Ave
Butte, MT
 
Fox Alarm & Technology
(406) 494-5561
3336 Harrison Avenue
Butte, MT
 
Akal Security Inc
(406) 782-4618
400 N Main St
Butte, MT
 
Alarm Service Inc.
(406) 761-1500
207 2nd Ave S
Great Falls, MT
 
Elite Security Services
(406) 455-1399
3905 4th St Ne
Great Falls, MT
 

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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