smoke detector


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smoke detector

[′smōk di‚tek·tər]
(engineering)
A photoelectric system for an alarm when smoke in a chimney or other location exceeds a predetermined density.

smoke detector

A device for sensing the presence of smoke in a building—usually by means of a photoelectric detector, ionization detector, ultraviolet flame detector, or a heat detector.
References in periodicals archive ?
The standard places to install smoke detectors are in sleeping areas, the hall and outside the kitchen door.
You can buy smoke detectors with a built-in carbon monoxide sensor.
I strongly feel that if smoke detectors were installed in the building, lives would have been saved," said Mr Nelson, who now lives in Bahrain.
Part of that inspection should be replacing the battery and testing the smoke detector.
But the public should understand it is much better to have a smoke detector than not to have one,' he said.
A domestic flight from Helsinki to Rovaniemi, operated by the Finnish airline Finnair, had to turn back to Helsinki yesterday (1 April) as the smoke detector in the toilet went off.
Smoke detector arrays were located in the hallway and bedroom upstairs as well as exit paths downstairs.
As long as there is electrical service to the building, the smoke detector will operate.
The Supreme Court of New York ruled that the owner of an apartment is not liable for the death of a resident even though the smoke detector in the unit did not activate (Acevedo v.
Combination smoke detectors include both ionization and photoelectric sensors in a single unit, and these detectors should not be confused with a carbon monoxide-ionization smoke detector.
Of course, even if there had been Halon bottles in the plane's hold, the 110 people aboard flight 592 might not have been saved; the flow of oxygen that the canisters were adding to the fire probably would have overwhelmed the limited supply of Halon: However, a smoke detector in the hold of flight 592 could have made a difference.