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        What is a security alarm system?

 

A security alarm is a system designed to sense intrusion into a home or building or area. Alarms are used in residential, commercial, industrial, and military properties for protection against burglary or property damage and personal protection against trespassers. Car alarms also protect cars and their contents. Prisons use security systems for control of in-mates.
 Some alarm systems serve a single purpose of burglary protection; other alarm systems are combination systems that provide both fire and intrusion protection.
 Closed-circuit television surveillance systems are used to automatically record the activities of intruders.  There are a choice of alarm systems that range from small, self-contained noisemakers, to multi-area systems with computer monitoring and control.

Security alarm systems vary but are usually a combination of motion sensors and door and window contacts that connect to a home alarm device with a keypad control. When the alarm system is armed,  the sensors and contacts trigger the on-site alarm. If the alarm isn't disarmed by entering in the code into the keypad, the security company's monitoring office is alerted, and they will call you. Alarm system add-ons like fire and flood detection will trigger other alert processes.  We at Alarm Installations Cape Town will work with you to develop every detail of detection, protection and contact for emergency situations.



Some types of sensors are:

Passive infrared detectors

Ultrasonic detectors

Microwave detectors

Photo-electric beams

Glass break detection

Smoke, heat, and carbon monoxide detectors

Vibration (shaker) or inertia sensors

Passive magnetic field detection

E-field

Microwave barriers

Microphonic systems

Taut wire fence systems

Fibre optic cable

H-field

 

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