What is an automatic fire alarm?
Automatic fire alarm is a device that monitors local conditions, usually the internal room of the building, in the presence of changes that may indicate undesirable fire. Once the alarm detects a possible problem, then it may sound alarm for those in the immediate area, automatically alert emergency services or do both. In most jurisdictions, automatic fire alarms are required for most buildings and rental real estate. Basic models are available for less than $ 10 USD.
The detection system works somewhat differently on the automatic fire alarm systems depending on the model. Most basic models work by detection of smoke by method known as ionization. More sophisticated systems can use a photoelectric system in which light is the primary method of determining when smoke may be present in the air. No system is quite accurate, but both do sufficient work to detect changes in the local atmosphere that may or may not be undesirable smoke.
In the case of ionThe isoral system contains an automatic fire alarm with a small amount of radioactive substance known as the America-241. This substance is used to create an electric current in the detector. Smoke disrupts this electric current, and when the automatic fire alarm feels that the current has been disturbed, it sounds alarm.
with the photoelectric system Light enters the automatic fire alarm through the tube and does not come into contact with the photo detector. If light is present, then this light is scattered enough to hit this detector. When this happens, the alarm begins to warn those in the area of possible smoke situations. If individuals are not in the room at a time when smoke begins or sleeps, it can give them sufficient warnings to move to safety before the fire becomes too large.
Depending on the type of automatic fire alarm, the system may be a step to alert those in the general OBLasti. It can also alert a private monitoring company or can be directly associated with an emergency communication center. In such cases, if the alarm sounds, the emergency services are immediately informed and respond with a person or without a person who reports the problem. The fire brigade is generally aware that it responds to an automatic fire alarm rather than a human report.
As with all emergency equipment, it is necessary to ensure that the automatic fire alarm is in good operating condition. For domestic use, the International Fire Chief Association, it recommends changing batteries in units that are not associated with a permanent energy source every year, and the organization runs a campaign that encourages homeowners to change the batteries when they turn off from summer time in autumn. Fire alarms should also be tested once a month to ensure that they still work properly.