Why should the electromagnetic flow meter be grounded?

Abstract: The information on why electromagnetic flowmeters should be grounded is provided by excellent flowmeter and flowmeter manufacturers. A smart electromagnetic flowmeter is susceptible to noise because its induced signal voltage is small. So the flowmeter must have a good grounding. Generally, flow meters are equipped with grounding rings to establish liquid grounding through liquid contact, and also to protect the lining. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details of why electromagnetic flowmeters need to be grounded. A smart electromagnetic flowmeter is susceptible to noise because its induced signal voltage is small. So the flowmeter must have a good grounding. Generally, flow meters are equipped with grounding rings to establish liquid grounding through liquid contact and also to protect the lining. The reference potential of the sensor and the reference potential of the converter/amplifier are all the same as the potential of the liquid to be measured, and also the same as the ground potential, so as to reduce the influence of noise on the measurement results. The intelligent electromagnetic flowmeter must be grounded separately, because if it is grounded with other instruments or electrical devices, the leakage current in the grounding wire will cause series-mode interference to the measurement signal, and the flowmeter will not work in severe cases. In addition, the grounding point should be kept away from large electrical appliances to avoid the ground current flowing into the flowmeter and causing interference. During the installation process, it should also be noted that the electrodes and rubber lining in the flowmeter must not be damaged during welding (the electrodes are generally two white metal dots). When installing the flowmeter, rubber gaskets should be added between the flanges to prevent water leakage. . The intelligent electromagnetic flowmeter should avoid outdoor wiring in cloudy and rainy days. In order for the flow meter used in the field to obtain the same accuracy as the actual flow calibration, the specified flow conditions must be met. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Why should the electromagnetic flow meter be grounded?'

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