The Disadvantages Of Smoke Alarms
Smoke alarms are electronic devices that are used to warn people of fires. In the event of a fire, properly installed and maintained smoke alarms will provide an early warning alarm to your household. This alarm could save your own life and those of your loved ones by providing the chance to escape.
The Government of countries worldwide regulated law for the compulsory installation of smoke alarms in all places where people sleep. After becoming generally available in the early 1970′s home smoke alarm sales grew rapidly and the price fell, so that every home had at least one. Although smoke alarms provide certain benefits worth considering, you should also consider some drawbacks.
Smoke detectors are basically of two types, ionization and photoelectric. Photoelectric detection is based on smoldering fires. When the smoke caused by the smoldering enters the chamber, it disrupts the flow of light and causes it to reflect onto the sensor. This sets off the alarm. Similarly, ionization detectors are based on the interruption of ions, the introduction of foreign particles into the detector can create problems.
Both electrically driven and battery operated smoke detectors are available. Smoke detectors not hardwired into a home’s electrical system rely exclusively on battery power, requiring regular checking and replacement. A smoke detector with a dead battery saves no lives.
Smoke detectors installed too close to bathrooms or steam rooms trigger false alarms when steam interrupts the light beams or electrical currents inside smoke detectors.
Also, high dust areas — including workshops, wood shops or near chalkboards- can trip the sensors inside smoke detectors, sounding false alarms.
Smoke of the burned food also raise the alarm for fire and make you panic. Smoke detectors placed near the cooking ranges, oven, and toaster also add to the nuisance without any fire in the house.
Installing and maintaining the smoke alarms is a costly affair as the units demand for the timely replacement of the batteries for their effective working. No doubt, the home security systems are a costly arrangement. But it possesses much more value when mental peace and security is concerned.
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