(NO-NO2-NOx) Gas Analyzer

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(NO-NO2-NOx) Gas Analyzer

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The Thermo Scientificâ„¢ Model 42i NO-NO2-NOx Analyzer utilizies chemiluminescent technology to measure the amount of nitrogen oxides in the air from sub-ppb levels up to 100ppm. 


The flagship product in the Thermo Scientificâ„¢ iSeries line, the Model 42i is the most recognized NOx analyzer in the industry.


  • Standard dual range and auto ranges
  • Five-second response time
  • Temperature and pressure correction
  • User settable alarm levels for concentration

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