When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Smoke detector - Wikipedia

   en.wikipedia.org/wiki/Smoke_detector

   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.

3. Americium-241 - Wikipedia

   en.wikipedia.org/wiki/Americium-241

   With its half-life of 432.2 years, the americium in a smoke detector decreases and includes about 3% neptunium after 19 years, and about 5% after 32 years. The amount of americium in a typical new smoke detector is 0.29 micrograms (4.5 × 10 −6 grains) (about 1/3000 the weight of a small grain of sand) with an activity of 1 microcurie (37 kBq ...

4. Optical beam smoke detector - Wikipedia

   en.wikipedia.org/wiki/Optical_beam_smoke_detector

   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.

5. Gentex (automotive supplier) - Wikipedia

   en.wikipedia.org/wiki/Gentex_(automotive_supplier)

   Gentex smoke detectors are used in hospitals, hotels, offices and other buildings worldwide. [9] 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]

6. 6 ways for seniors and retirees to save on homeowners insurance

   www.aol.com/finance/ways-seniors-save-homeowners...

   Fire alarms, smoke detectors and fire extinguishers are common prevention tools that can help you survive a house fire, and they may even earn you a small discount on your insurance premium — as ...

7. Kidde - Wikipedia

   en.wikipedia.org/wiki/Kidde

   Kidde (/ ˈ k ɪ d ə / [2]) is an American multinational company that manufactures and distributes fire detection and suppression equipment, as well as smoke and CO alarm units. Kidde is one of America's largest manufacturers of smoke alarms [3] [4] and fire safety products. [5]