Method and device for measuring the concentration of extinguishing agent in a fire zone
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Jan 21, 2014
filing date -
Jan 24, 2013
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Abstract
A device for measuring, on an aircraft, the extinguishing agent concentration of a gaseous mixture. The device includes an ultraviolet radiation detector for generating an output signal that is a function of the concentration of the agent in the gaseous mixture and an electronic circuit for determining the concentration as a function of said output signal. The device includes a unit for sampling the gaseous mixture in at least one fire zone of said aircraft, and a measurement chamber passed through by the gaseous mixture and comprising a tranquilizing chamber, the detector being arranged in such a way as to measure the concentration of the agent in the gaseous mixture passing through the tranquilizing chamber.
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