Non-Dispersive Infrared Gas Analyzer
First Claim
1. A non-dispersive infrared gas analyzer (1) for determining a measurement gas containing a plurality of gas components, comprising a radiation source (2), a modulation device (3), a measuring cuvette (4) comprising a measuring chamber (4a) and a comparison chamber (4b) and an optopneumatic detector unit (5) having a first detector (5a), which is filled with the gas component A for measurement of the gas component A, and a second detector (5b), which is arranged behind the first detector (5a) and which, for measurement of the gas component B, is filled with its isotope B*.
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Abstract
The invention relates to a non-dispersive infrared gas analyzer (1) for identifying a test gas containing a number of gas constituents, comprising a radiation source (2), a modulating device (3), a measuring cell (4), which has a measuring chamber (4a) and a comparing chamber (4b), and comprising an optopneumatic detector unit (5) that has a first detector (5a), which, for measuring gas constituent A, is filled with gas constituent A, and has a second detector (5b), which is situated behind the first detector (5a) and which, for measuring gas constituent B, is filled with the isotope B* thereof.
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Citations
14 Claims
- 1. A non-dispersive infrared gas analyzer (1) for determining a measurement gas containing a plurality of gas components, comprising a radiation source (2), a modulation device (3), a measuring cuvette (4) comprising a measuring chamber (4a) and a comparison chamber (4b) and an optopneumatic detector unit (5) having a first detector (5a), which is filled with the gas component A for measurement of the gas component A, and a second detector (5b), which is arranged behind the first detector (5a) and which, for measurement of the gas component B, is filled with its isotope B*.
Specification