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Door Alarms Bluefield WV

Local resource for door alarms in Bluefield. 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.

Kammer Security Systems
(304) 327-6917
318 Bland Street
Bluefield, WV
 
Army Reserve Ctr
(304) 324-2866
532 W Cumberland Rd
Bluefield, WV
 
Starlight Safety & Alarm Specialist Inc
(815) 643-2524
205 North Street
Princeton, WV
 
G Force Security Co
(304) 425-5024
606 Butler St
Princeton, WV
 
Bluestone Security Agency Inc
(276) 326-1720
186 Roma Rd
North Tazewell, VA
 
Wallace Security Agency
(304) 323-2542
Airport Rd
Bluefield, WV
 
Appalachian Fire & Security
(304) 487-5487
318 Courthouse Rd
Princeton, WV
 
Fire Safety Products Inc
(304) 487-6832
101 Old Beckley Rd
Princeton, WV
 
Mountaineer Investigation
(304) 384-7162
511 S State St
Athens, WV
 
ADT® Home Security
(888) 564-9618
2800 7th Ave, Suite 100
Charleston, WV
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

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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