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Door Alarms Anchorage AK

Local resource for door alarms in Anchorage. Includes detailed information on local businesses that provide access to portable door alarms, burglar alarms, door wedge alarms, door knob alarms, vibration sensors, and home security systems, as well as advice and content on security door stops.

ADT® Home Security
(888) 542-4123
411 W 4th Ave
Anchorage, AK
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

Guardian Security Systems Inc
(907) 283-5652
2600 Seward Hwy
Anchorage, AK
 
B & G Security Guard Agency
(907) 332-2888
6000 C St # 201
Anchorage, AK
 
Industrial Security Svc
(907) 338-8831
510 Muldoon Rd
Anchorage, AK
 
Yukon Fire Protection Svc
(907) 563-3608
5601 Silverado Way
Anchorage, AK
 
ADT® Home Security
(888) 564-9618
5520 Lake Otis Pkwy
Anchorage, AK
Description
Get a Security System for Just $99! Protect Your Home and Call ADT® Home Security Today.
Phone Hours
MON - FRI 9:00AM - 11:00PM; SAT 9:00AM - 6:00PM; SUN CLOSED

Young's Firehouse
(907) 344-5312
1100 W Dimond Blvd
Anchorage, AK
 
Purcell Security
(907) 273-2400
4041 B St
Anchorage, AK
 
Protec Services Llc
(907) 561-4445
206 E Fireweed Ln # 102
Anchorage, AK
 
Bulldog Security Svc
(907) 272-0164
2120 C St # 2
Anchorage, AK
 

Door Alarms

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Doors can utilize magnetic contact sensors to detect when a door is opened. The sensor mechanism is housed in the switch side of the sensor and a magnet is housed in the other half. Most door alarms utilize a contact switch, which has two metallic parts that must stay in contact when the sensor is armed. In order for a door to be slid or swung open, the mechanism's metallic contacts lose contact with one another. One half of the door sensor is attached to the fixed side of the doorway, and the other is attached to the movable door. When the door is opened the two parts of the mechanism are separated and the alarm signal is sent.

These mechanisms use a strong magnet that can maintain magnetic contact even when the door is opened slightly. This makes it possible to leave a door open to allow airflow between rooms, yet still have all the protection of armed door alarms.

Electromechanical door locks are powerful electrified lock mechanisms which keep them from being opened. They are an important form of security in commercial properties but can also be used in home security systems. These systems often integrate a magnetic contact sensor so if by chance the door should be opened, an alarm would be activated.

Learn more about home security systems .

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