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PREVENTING AN OVERLOADING OF THE ELECTRONIC EVALUATION SYSTEM DUE TO VOLTAGE SPIKES IN MAGNETO-INDUCTIVE FLOWMETERS
PREVENTING AN OVERLOADING OF THE ELECTRONIC EVALUATION SYSTEM DUE TO VOLTAGE SPIKES IN MAGNETO-INDUCTIVE FLOWMETERS
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机译:防止由于电磁感应流量计中的电压峰值而导致电子评估系统过载
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摘要
The disclosure relates to a circuit arrangement for preventing overloading of magneto-inductive flowmeters. The disclosure can protect the amplifiers which are connected downstream thereof or the electronic evaluation system from overloading. To this end, the signal input circuit is provided with additional voltage-limiting diodes disposed downstream of the impedance converters so that eventual voltage tips are prevented during modulation in the downstream amplifiers of the evaluation electronics.
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