Optical gas sensor
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United States of America Patent
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Nov 4, 2003
Grant Date -
May 30, 2002
app pub date -
Aug 29, 2001
filing date -
Nov 24, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An optical gas sensor has a compact design and without movable optical elements, with at least one radiation source (8), at least one measuring detector (9, 12) and a reference detector (11). The reflecting measuring cuvette is designed as an annular space (1) between a first, inner cylinder section (6) and a second, outer cylinder section (2) that is concentric thereto. The annular space (1) is limited by a cover element (5) and a bottom element (7) arranged at a spaced location therefrom in the direction of the longitudinal axis. The cover element (5) is permeable to the measuring gas. The bottom element (7) accommodates the radiation source (8).
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