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That means the battery needs to be changed. Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm.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 ...
Daylight saving time ended on Sunday. If you forgot to replace your smoke and carbon monoxide detector batteries, why not replace them today?
The end of daylight saving time, when clocks are adjusted to “fall back” an hour, can serve as an easy reminder to change smoke and carbon monoxide alarm batteries once a year.
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.
Ionization smoke alarms can quickly detect the small amounts of particles produced by fast-flaming fires, such as cooking fires or those fueled by paper or flammable liquids. A newer type of the smoke detector is the photoelectric smoke detector. It contains a light source, which is positioned indirectly to the light sensitive electric sensor.
The alarm points on carbon monoxide detectors are not a simple alarm level (as in smoke detectors) but are a concentration-time function. At lower concentrations, e.g. 100 parts per million (PPM), the detector does not sound an alarm for many tens of minutes. At 400 PPM, the alarm sounds within a few minutes.
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Sensormatic Electronics Corporation was purchased by Tyco International in 2001. The acquisition was executed by a merger of Sensormatic with a subsidiary of Tyco. Sensormatic is frequently called by the name of its parent company ADT, formerly ADT/Tyco. A product from Sensormatic is the Supertag, a hard loss prevention tag. The Supertag took ...
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