Everything you need to know about Fire Alarms Systems - Pulse Electrix
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Everything you need to know about Fire Alarms Systems

Fire Alarm Systems

A fire alarm, which works as an active prevention system, controls other fire alarm systems. The fire alarm in your home can be triggered automatically by smoke detectors, heat detectors or manually. The alarm is normally accompanied by a loud sound and blinking or flashing lights.

For a fire alarm system to be effective, a smoke detector which indicates the presence of smoke and fire must be installed.

There are three types of fire and smoke alarms that you can install in your home. Although they are all called fire alarms, they have different functions. There are some that detect smoke while some detect heat and fire. There is also the type that detects both.

The type of fire alarm system you opt for in your home should be determined by your fire safety needs.

Types of Fire Alarms

Heat Detector:

This type of fire alarm contains a component which detects heat. It activates an alarm when it reaches a specified temperature. You can install a heat detector in a small space where the speed of detection is not most urgent. Even though its false alarm rate is lower than most fire detectors, it is slow at detecting a fire.


Smoke Alarm:

This type of fire alarm detects a fire faster than a heat detector. It’s technology is designed to detect fire several ways:


A smoke alarm that uses this technology contains a radioactive component which emits ions that create electrical currents between electrodes. When smoke enters the component the flow of current is distorted, and the alarm goes off. This alarm system works perfectly where fires are spreading fast.

Alarm technology uses a light and photoelectric sensor to detect a fire. It activates an alarm when smoke seeps into the optical chamber. This type of alarm is best for discovering slow fires.

There are also fire alarms that combine both photoelectric and ionisation technologies for optimal performance.


Your fire alarm system can be powered by electricity or batteries. Most fire alarms contain internal batteries which allow them to keep functioning in the case of the electricity switching off. If you have a battery-operated fire alarm, always ensure that the batteries are replaced regularly, as expired batteries can lead to devastating domestic hazards.

At Pulse Electrix, we are familiar with all kinds of fire alarm systems and are happy recommend and install the right type of alarm in your home, we can also maintain and service your existing alarm.

For more information, questions and arrangements please contact us on 01706 614580

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