电磁流量计工作原理：
基于法拉第电磁感应定律即当导电液体流过电缴流量计时，导体液体中回产生与平均流速V(体积流量)成正比的电压，其感应电压信号通过两个与液体接触的电极检测，通过电缆传至放大器，然后转换成统一的输出信号，基于电磁流量计的测量原理，要求流动的液体具有最低限度的导电率。
It is based on the Faraday's electromagnetic induction law，that is，when a conductive liquid pases the electromagnetic flowmeter，it will produce a voltage directly proportional to the average velocity V(volume flow).
The induced voltage signal is detected via the two electrodes in contact with the liquid and is sent to the amplifier via the cable to be converted into a total output signal.According to the measurement principle of the electromagnetic flowmeter，the flowing liquid is required to have a minimum conductivity.
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