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Conductive conductivity sensor

  • US 8,766,655 B2
  • Filed: 07/17/2012
  • Issued: 07/01/2014
  • Est. Priority Date: 07/18/2011
  • Status: Active Grant
First Claim
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1. A conductive conductivity sensor, comprising:

  • a probe immersible in a measured medium, said probe has an inner space, which is connected to an environment of said probe via at least one opening leading out from said inner space, and in which are arranged two electrodes, which are supplied with an alternating voltage during measurement operation and which have inner surfaces facing into said inner space and outwardly facing outer surfaces covered by insulation, wherein;

    said inner surfaces have edge surfaces adjoining said openings; and

    at least the edge surfaces adjoining one of said openings have a surface geometry directing thereon beginning or ending, electric field lines in a direction facing away from said opening and into said inner space; and

    said surface geometry effects a targeted orientation and focusing of the field lines during measurement operation between said electrodes into said inner space of said probe.

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