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Universal sensor cartridge for use with a universal analyzer for sensing components in a multicomponent fluid

  • US 5,004,583 A
  • Filed: 08/08/1988
  • Issued: 04/02/1991
  • Est. Priority Date: 01/29/1987
  • Status: Expired due to Fees
First Claim
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1. A re-useable cartridge for facilitating analytical measurement of a solution, comprising:

  • (a) a housing,(b) a chamber having a cross-section for containing a predefined volume of solution, said chamber having a first end and a second end being disposed within said housing,(c) an inlet port in fluid communication with said chamber, said port being located proximate to said first chamber end,(d) a waste reservoir of preselected volume in fluid communication with said chamber and located proximate to said second chamber end,(e) inlet ports for introducing fluids directly into said chamber,(f) means for positively forcing fluid in said chamber to flow out of said chamber and into said reservoir,(g) means for substantially preventing fluid back-flow from said reservoir to said chamber,(h) sensor elements having cross-sections disposed in said housing and interfacing with said chamber at a preselected location between said first end and said fluid backflow preventing means; and

    (i) means for conveying signals generated by said sensor elements through and out of said housing.

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