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Ionization smoke detectors are usually less expensive to manufacture than optical detectors. Ionization detectors may be more prone than photoelectric detectors to false alarms triggered by non-hazardous events, [20] [21] and are much slower to respond to typical house fires. [citation needed]
An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, [1] typically as an indicator of fire. [2] They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical [3] or restricted for use by the height of the building. Optical beam smoke ...
False alarms are also common with smoke detectors and building fire alarm systems. They occur when smoke detectors are triggered by smoke that is not a result of a dangerous fire. Smoking cigarettes, cooking at high temperatures, burning baked goods, blowing out large numbers of birthday candles, fireplaces and woodburners when used around a ...
$19.99 at Amazon . If you have a hard time remembering to replace your smoke alarm’s battery each year, the Kidde Smoke Detector can help. Its 10-year lithium battery doesn’t need to be replaced.
Gentex created the first dual-sensor photoelectric smoke detector, [4] [8] [1] considered to be less prone to false alarms, while still quickly detecting smoldering fires. Gentex smoke detectors are used in hospitals, hotels, offices and other buildings worldwide. [ 9 ]
"Smoke detectors should not be installed in kitchens, attics (finished or unfinished), or garages, as these areas can encounter conditions that may lead to improper operation and false alarms ...
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