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Electromagnetic Alarms Juneau AK

Local resource for Electromagnetic Alarms in Juneau. 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.

Juneau Alarm Systems
(907) 789-5408
8800 Glacier Hwy Ste 119
Juneau, AK
 
Knightwatch Security
(907) 789-0332
PO Box 33251
Juneau, AK
 
Harri Plumbing & Heating Inc
(907) 586-3190
809 West 12th Street
Juneau, AK
 
Goldbelt Inc
(907) 790-4990
3075 Vintage Blvd # 200
Juneau, AK
 
Simplex Grinnell
(907) 789-4110
1901 Anka St
Juneau, AK
 
State of Alaska: Public Information Center:‎
(907) 465-3400
802 3rd Street
Juneau, AK
 
Goldbelt Security Services
(907) 790-1435
3075 Vintage Blvd
Juneau, AK
 
Doaks Lock & Key
(907) 789-9152
8800 Glacier Hwy
Juneau, AK
 
Knightwatch Security Kwssi Inc
(907) 789-0332
9509 Maier Dr
Juneau, AK
 
Southeast Extinguisher Svc
(907) 790-2522
5434 Shaune Dr # B1
Juneau, AK
 

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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