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Magnetically inductive flow meter having a first electrode arrangement for galvanically inducing voltage and a second electrode arrangement for capacitively inducing voltage
Magnetically inductive flow meter having a first electrode arrangement for galvanically inducing voltage and a second electrode arrangement for capacitively inducing voltage
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机译:具有用于电流感应电压的第一电极装置和用于电容感应电压的第二电极装置的磁感应流量计
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摘要
A magnetically inductive flow meter including a first electrode arrangement for galvanically contact detection of an induced voltage dependent on the flow velocity of the medium as a first measurement signal, and a second electrode arrangement for capacitive detection of an induced voltage as a second measurement signal, wherein by determining and evaluating characteristic parameters of the first and second measurement signals, diagnostic messages on the status of the medium and/or the flow meter are obtained, such as the content of gas bubbles in the fluid, electrode corrosion, electrical conductivity of the medium, damage to the electrically insulating interior lining of the measuring tube, deposits on electrodes, magnetic interference fields, electrode short-circuits and/or the fill level of the measuring tube.
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