Ads
related to: 10 year battery smoke detectors
Search results
Results From The WOW.Com Content Network
In 1995, the 10-year-lithium-battery-powered smoke alarm was introduced. [10] Design. Smoke can be detected using a photoelectric sensor or an ionization process.
The three-man team (Burke-Roberts-Kimberlin) invented the first battery-powered smoke detector [3] [4] 1964- Began commercial manufacturing of the first battery-powered smoke detector; 1967- Pittway began manufacturing the alarms; 1974-Sears begins selling the BRK model SS-74R battery powered smoke alarm; 1992-Sold to T.H. Lee & Associates
In 1965 Pearsall began the long process to develop and market a home smoke detector powered by a battery which could be easily installed and replaced. [7] [8] These first units were dubbed "SmokeGard 700"; [9] Pearsall was awarded a design patent for this in 1973, [10] and began mass-producing them in 1975. [8]
A main feature of these alarms was the ability to sync them using a System Sensor MDL sync module or the System Sensor sync protocol on a supported fire alarm control panel. Three years after the initial release of the SpectrAlert series, System Sensor released the ceiling mount SpectrAlerts.
Battery-powered devices advertise a battery lifetime of up to 10 years. The gas sensors in CO alarms have a limited life span, typically two to five years. [7] Newer models are designed to signal a need to be replaced after a set period. CO detectors all have "test" buttons like smoke detectors, but the test buttons only test the battery ...
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Ad
related to: 10 year battery smoke detectors