Gas sensor arrangement with improved long term stability and measuring method
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United States of America Patent
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Feb 19, 2008
Grant Date -
Nov 9, 2006
app pub date -
Apr 28, 2006
filing date -
May 4, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a gas sensor arrangement comprising at least one radiation source emitting radiation, a gas measuring chamber which may be filled with a gaseous analyte containing at least one analyte to be measured, and comprising at least one detector device which detects the radiation and generates an output signal indicating the presence and/or the concentration of the analyte. In order to provide an improved gas sensor arrangement of the type mentioned at the outset which ensures, in a particularly simple manner, long-term stable operation of the arrangement even over long periods of time, the control device comprises a power detection unit which may be operated to measure the electrical output consumed by the at least one radiation source.
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