A fire alarm is an electronic sounder or a bell. The alarm makes a loud, high pitched sound to notify people that there is a fire in the building. The sounders can be programmed to sound different tones. Most fire alarm sounders in Europe sound like a siren. The bell makes a continuous ringing sound.
There are also companies like HST Fire and KKmoon which produce fire alarms and pull stations. In every building, the fire alarms are hooked up to a main control panel, which allows the inspector or janitor to perform fire drills, do inspections on pull stations, and more Sounder Siren
Some examples of companies which make fire alarms are Wheelock, Simplex, Edwards, Gentex, Johnson Controls, Fire-Lite, and Notifier (Fire-Lite and Notifier both being owned by Honeywell). There is also Fulleon who are best known for their Roshni electronic sounder. These sounders are often used around Europe and they have 32 user selectable tones.[1] Sometimes, old-fashioned fire alarms are metal bells. Many fire alarm systems also have flashing lights, also known as strobes. These are important for deaf people who cannot hear the fire alarm. There are also special alarms which are less loud for sleeping areas, so that people are not startled,[2] and white fire alarms for dark walls. In larger buildings, There are 2-step systems with a recorded message, which start off by stating the emergency and waiting for the security guards to be sure there is a fire, then asking for the occupants of the building to calmly evacuate. In smaller areas, there is an immediate alarm, without voice.
Fire alarms are often used in schools and other places during fire drills, or in the case of a real fire. If somebody activates a fire alarm for fun or without reason, it is called a false alarm. Setting off a false alarm is against the law in most places.Sounder Siren
There are different systems, which can do the following:
Automatically alert the fire department, there is a fire
Alerting an internal security service, who is able to check if there is a false alarm, before alerting the fire department.
Trigger an alarm to clear the building
Start heat and smoke vents, fire sprinklers, emergency lighting, and similar systems
Controlling elevators (Most elevators are not safe to use during a fire)1 is about fire safety.It has four levels of protection:
A fire alarm is an electronic sounder or a bell. The alarm makes a loud, high pitched sound to notify people that there is a fire in the building. The sounders can be programmed to sound different tones. Most fire alarm sounders in Europe sound like a siren.
This conventional strobe sounder a kind of fire alarm notification appliance.
It’s audible and visible to alert the occupants of a fire and warn people for evacuation.
Fire Alarm Siren with Strobe
Sounder and Flasher for fire alarm and firefighting alarm system. Indoor sounder and flasher siren
can be used alone or connected with alarm system. Both addressable type and non-addressable type