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  2. Flame detector - Wikipedia

    en.wikipedia.org/wiki/Flame_detector

    A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection. Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system. When used in ...

  3. Flame ionization detector - Wikipedia

    en.wikipedia.org/wiki/Flame_ionization_detector

    Flame ionization detectors cannot detect inorganic substances and some highly oxygenated or functionalized species like infrared and laser technology can. In some systems, CO and CO 2 can be detected in the FID using a methanizer , which is a bed of Ni catalyst that reduces CO and CO 2 to methane, which can be in turn detected by the FID.

  4. Flame supervision device - Wikipedia

    en.wikipedia.org/wiki/Flame_supervision_device

    For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. [1]

  5. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

    www.aol.com/lifestyle/10-signs-heater-isn-t...

    The flame sensor is a safety device that detects when a flame is present while gas flows through the system and automatically shuts down the heater if it does not sense a flame. A dirty flame ...

  6. Flame rectification - Wikipedia

    en.wikipedia.org/wiki/Flame_rectification

    Flame rectification is a phenomenon in which a flame can act as an electrical rectifier. The effect is commonly described as being caused by the greater mobility of electrons relative to that of positive ions within the flame, [ 1 ] and the asymmetric nature of the electrodes used to detect the phenomenon.

  7. Here's What to Do If Your Fireplace Pilot Light Goes ... - AOL

    www.aol.com/lifestyle/heres-fireplace-pilot...

    The thermocouple sensor detects the heat from the pilot light and sends a signal to keep the gas valve open, but if the pilot light is extinguished, then the thermocouple will send a signal to the ...

  8. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    Automatically actuated devices can take many forms, and are intended to respond to any number of detectable physical changes associated with fire: convected thermal energy for a heat detector, products of combustion for a smoke detector, radiant energy for a flame detector, combustion gases for a fire gas detector, and operation of sprinklers ...

  9. Inside the advanced tech aimed at preventing future wildfires ...

    www.aol.com/inside-technologies-hoping-prevent...

    His invention, the Torch sensor, measures thermal, gas, and temperature levels across a 10 acre swath, and via an app, provides users with immediate warnings (within minutes) of impending fires.

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