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2. Aspirating smoke detector - Wikipedia

   en.wikipedia.org/wiki/Aspirating_smoke_detector

   An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. [1] The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.

3. Smoke detector - Wikipedia

   en.wikipedia.org/wiki/Smoke_detector

   A presentation by Siemens and the Canadian Fire Alarm Association reports that the ionization detector is the best at detecting incipient-stage fires with invisibly small particles, fast-flaming fires with smaller 0.01–0.4 micron particles, and dark or black smoke, while more modern photoelectric detectors are best at detecting slow ...

4. Faraday (company) - Wikipedia

   en.wikipedia.org/wiki/Faraday_(company)

   In 1995, Faraday was bought by Cerberus Pyrotronics, [3] and in 1998, Cerberus Pyrotronics was bought by Siemens. [4] Faraday then moved to their current Florham Park location. Soon after the buyout, Wheelock responded with a lawsuit against Siemens for patent infringement since they thought the Faraday signals they used were too similar in ...

5. The Best Place to Put Your Smoke Detector (Plus 3 Spots ... - AOL

   www.aol.com/lifestyle/best-place-put-smoke...

   Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm.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 ...

6. 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. Optical beam smoke ...

7. List of Siemens products - Wikipedia

   en.wikipedia.org/wiki/List_of_Siemens_products

   Siemens-Duewag U2 LRV – Edmonton Transit System and Calgary Transit – Alberta, Canada; Siemens SD-160 – Edmonton Transit System and Calgary Transit – Alberta, Canada; LHB/Siemens M1/M2/M3 Metro (Pair) – Prague Metro Czech Republic; Siemens-Adtranz LRV; MX3000 Metro car for Oslo (SGP Wien works) – Oslo T-bane, Norway; CAF S4000 Metro ...