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Door Alarms Fargo ND

Local resource for door alarms in Fargo. 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.

Echelon Corp
(701) 356-3300
1749 38th St S
Fargo, ND
 
West Acres Security
(701) 282-2228
3092 13th Ave S
Fargo, ND
 
Alarm & Inspections by Nardini
(701) 235-4224
303 20th Street North
Fargo, ND
 
Sentry Security Inc
(701) 298-9051
417 Main Ave
Fargo, ND
 
General Security Svc Corp
(701) 237-3252
112 University Dr N # 316
Fargo, ND
 
Simplex Grinnell
(701) 237-6712
2821 Fiechtner Dr S
Fargo, ND
 
Akal Security Inc
(701) 298-6811
655 1st Ave N
Fargo, ND
 
Global Group
(701) 781-0117
305 7th Ave N
Fargo, ND
 
Hintz Fire Equipment Inc
(701) 237-6006
11 15th St S
Fargo, ND
 
Nardini Fire Equipment Co
(701) 235-4224
303 20th St N
Fargo, ND
 

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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