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Method and device for detecting failures in inductive conductivity measurements of a fluid medium
Method and device for detecting failures in inductive conductivity measurements of a fluid medium
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机译:用于检测流体介质的电导率测量中的故障的方法和装置
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摘要
Exemplary embodiments of the present invention are directed to methods and devices for detecting open-circuit and short-circuit failure in an electromagnetic (inductive) measurement of the conductivity of liquids and on the sensor and cable wiring. An electromagnetic measurement of the conductivity of a liquid is performed by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of them carrying an excitation coil and the other carrying an induction coil. When an AC excitation voltage is applied to the excitation coil, an induced current or voltage can be measured in the induction coil which is proportional to the conductivity of the measured liquid.
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