Will vapor set off Fire Sprinklers?

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Rationality

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Different detectors have different sensitivity levels, but I would say that it's very unlikely. It's the equivalent of blasting a humidifier near one - water vapor should not have any effect, especially the levels emitted in vaping. If you're really worried, I would just say not to be blowing smoke rings or anything because when you don't inhale obviously it's a lot thicker.
 

Col. Gaunt

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The sprinkler heads I'm familiar with activate on heat, another head opening, and/or a central detector. You'd be more likely to set it off by throwing paper clips at it.

Here is how the sprinklers work.

Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb or a two-part metal link held together with fusible alloy. The glass bulb or link applies pressure to a pip cap which acts as a plug which prevents water from flowing until the ambient temperature around the sprinkler reaches the design activation temperature of the individual sprinkler head. Because each sprinkler activates independently when the predetermined heat level is reached, the number of sprinklers that operate is limited to only those near the fire, thereby maximizing the available water pressure over the point of fire origin.
 

Firechief2

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different detectors have different sensitivity levels, but i would say that it's very unlikely. It's the equivalent of blasting a humidifier near one - water vapor should not have any effect, especially the levels emitted in vaping. If you're really worried, i would just say not to be blowing smoke rings or anything because when you don't inhale obviously it's a lot thicker.

no :) :):)
 

mezzio

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most sprinklers are set off by heat, not smoke, vapor has no heat... or very little. smoke detectors pick up the particles in the air caused by the smoke, vapor has none of these particles. if it is a standard office building with high ceilings and fire sprinklers/ smoke detectors on or near said ceilings , there is no way you could possibly vape enough out of one PV to set it off as chances are, the vapor will dissipate well before it gets over your cubical wall.

If they were that sensitive, every time it rained, or every time it was foggy out, when there are massive amounts of humidity in the air, the fire alarms and sprinklers would go off...

if youre still worried, just exhale in your shirt, thats how i do it in class :)
 
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