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Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.
Here's a few things you can do to turn off smoke alarms and get it in working order. When your smoke detector beeps, don't assume that it needs a new battery. Here's a few things you can do to ...
[7] [8] Wireless passive infrared sensors (PIR) may be used for burglary protection [9] with other devices used for light automation and temperature measurement. Other products are deployed as part of traditional alarm systems including interconnected smoke alarms, remotely controlled keypads, door and window sensors.
About 328,000 smoke alarms sold nationwide and online by the Home Shopping Network — or as it now calls itself, HSN — are being recalled because the products can malfunction and fail to alert ...
In the early 1990s, Gentex introduced a smoke detector equipped with a strobe light which is designed to alert deaf and hard of hearing individuals. [10] Gentex manufactures a wide range of photoelectric detectors for fire alarm systems, standalone, and interconnect systems.
Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm. For the most part, you can plan on replacing your smoke detector at least every 10 ...
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