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Conductivity sensor with void correction

  • US 10,416,107 B2
  • Filed: 08/19/2016
  • Issued: 09/17/2019
  • Est. Priority Date: 08/19/2016
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a conductivity sensor for measuring the conductivity of at least a first portion of a fluid sample;

    a first capacitance electrode;

    a second capacitance electrode; and

    a controller configured todetermine a measured conductivity from the conductivity sensor;

    determine a measured capacitance between the first capacitance electrode and the second capacitance electrode; and

    determine a corrected conductivity measurement based on the measured capacitance and the measured conductivity;

    whereinthe first and second capacitance electrodes are positioned so that the capacitance between the first and second capacitance electrodes is affected by the first portion of the fluid sample.

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