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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The campaign will see fire service personnel raising awareness of the dangers of not having a smoke alarm as well as issuing tips about purchasing and fitting one.
The occupant had no working smoke alarm on that floor, so they were not alerted to the blaze for some time.
However, Jazz kept making the smoke alarm sound in the background, prompting the caller to alert firefighters just to be doubly sure.
In its first year of operation, We're Out to Alarm Texas helped to save the lives of three elderly residents in New Braunfels and Waco, after donated smoke alarms alerted them to fires in their smoke-filled homes.
Unfortunately, many renters fail to maintain the smoke alarms in their dwellings, in spite of reminders from landlords.
Spangler said the smoke alarm program is part of a national campaign launched by the American Red Cross last year.
Paul Booth, of letting agency Fresh Property Centre based in North Shields, said: "The figures speak for themselves, and it is up to all landlords to protect their tenants by making sure they have working smoke alarms. I would urge all private landlords to take action now, rather than waiting for the law to change."
Smoke alarms may be the cheapest, easiest and most effective means for protecting your family and your home from a fire--as long as they're functioning.
NFPA recommends replacing smoke alarms after 10 years because that is typically the life expectancy of the devices.
Smoke alarms are vital at all times and even more vital during the winter months when there are generally more fire hazards in the home.