Example: air traffic controller
Photoelectric Detector Smoke
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INTELLIKNIGHT 5820XL - Silent Knight
www.silentknight.comSmoke detectors also may not sens e a fire on another le vel or floor of a building. A second floor detector, for example, may not sense a first floor or basement fire. Furthermore, all types of smoke detectors, including ionization and photoelectric types, have sensing limitations. No type of smoke detector can sense
USER’S MANUAL Smoke Alarms - FirstAlertStore.com
www.firstalertstore.comAll First Alert® and BRK® Smoke Alarms conform to regulatory requirements, including UL217 and are designed to detect particles of combustion. Smoke particles of varying number and size are produced in all fires. Ionization technology is generally more sensitive than photoelectric technology at detecting small particles, which tend to be produced