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Fluid condition monitoring device

  • US 10,451,168 B2
  • Filed: 01/05/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 03/05/2015
  • Status: Active Grant
First Claim
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1. A fluid condition monitoring device comprising:

  • a sensing assembly including a sensor and a transducer, the sensor to sense a property of the fluid and the transducer to apply a test signal to the fluid and receive a return signal from the fluid, and the transducer comprising a first electrode and second electrode arranged concentrically, such that the first electrode is arranged radially inward from the second electrode;

    a control assembly coupled to the sensing assembly, the control assembly including a controller and an input/output interface, the controller interfacing with the transducer to generate fluid condition information in response to the return signal, wherein the controller performs a self-calibration process that includes an automatic gain selection to adjust a gain across a plurality of test signal frequencies; and

    an interface assembly coupled to the control assembly, the interface assembly including a connection to the input/output interface to transmit the fluid condition information to an external system.

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