Gas analyzer and a method for operating the same

  • US 6,484,562 B2
  • Filed: 02/27/2002
  • Issued: 11/26/2002
  • Est. Priority Date: 03/17/2000
  • Status: Expired due to Fees
First Claim
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1. A gas analyzer of the type that uses the principle of optical gas analysis comprising:

  • an appropriate cuvette flowed through by a gas to be measured, said flowing gas providing a measuring pressure in said cuvette;

    said cuvette having a window region placed near an analysis space and said cuvette surrounded either only in said window region or overall by a chamber that isolates any leakage from said measuring cuvette when said gas analyzer is analyzing a toxic and/or corrosive and/or combustible gas that flows thru said analysis space said surrounding chamber is purged with inert gas or air and having a pressure higher or lower by comparison with said measuring pressure of said cuvette.

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