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Method for analyzing gaseous or liquid samples and a one-way measuring element for use in such a method

  • US 5,228,350 A
  • Filed: 01/22/1991
  • Issued: 07/20/1993
  • Est. Priority Date: 06/08/1990
  • Status: Expired due to Term
First Claim
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1. One-way measuring element comprising a measuring channel with at least one optical or electrochemical sensor located therein, a collecting tank provided in said measuring element, a first opening on a first end of said measuring channel for connecting said measuring element to an analyser, and a second opening on a second end of said measuring channel for connecting said measuring element to a sample-taking part, wherein one common sealing element is used for both of said first and second openings which has first, second and third positions, said first position of said sealing element closing said measuring channel on both of said first and second ends, said second position connecting said first end of said measuring channel to said first opening and said second end of said measuring channel to said collecting tank, and said third position of said sealing element connecting said first end of said measuring channel to a said collecting tank and said second end of said measuring channel to said second opening.

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