Importance

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Abstract

A measurement device and method for detecting the hydrocarbon content in gases includes: devices for subdividing an original gas stream into first and second measuring gas streams; first and reference gas units for producing first and second reference gas streams from a substream of the first and second measuring gas streams, respectively; two sensors for determining the content of hydrocarbon in the two measuring gas streams and generating a corresponding measurement results; and an evaluation unit for evaluating the measurement results of the two sensors. The first sensor is alternately fed the first measuring gas stream or the reference gas stream prepared by the first reference unit, and the second sensor is alternately fed the second measuring gas stream or the second reference gas stream prepared by the second reference gas unit. Because the two cycles are time-offset, a measurement value is continuously available.

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First Claim