Lightning protection method of electromagnetic flow meter

Abstract: The lightning protection method information of electromagnetic flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. The electromagnetic flowmeter is designed and manufactured according to Faraday's electromagnetic induction principle, and the actual working conditions of the electromagnetic flowmeter are very complex, and there are other electromagnetic current interference effects, especially in the event of severe weather such as lightning, lightning will affect the electromagnetic flow. flow. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the article on the lightning protection method of electromagnetic flowmeters. The electromagnetic flowmeter is designed and manufactured according to Faraday's electromagnetic induction principle, and the actual working conditions of the electromagnetic flowmeter are very complex, and there are other electromagnetic current interference effects, especially in the event of severe weather such as lightning, lightning will affect the electromagnetic flow. The flowmeter will affect or even cause damage. The following flowmeter manufacturer's technology summarizes some lightning protection methods for electromagnetic flowmeters, hoping to bring help to everyone. There are two main forms of lightning: one is the discharge between different charged clouds, and the other is the discharge from the cloud to the ground. The latter is the main source of lightning damage. Direct lightning strikes, lightning electrostatic induction and electromagnetic induction are the main causes of instrument damage. factor. The purpose of instrument lightning protection is not to avoid lightning strikes, but to protect the instrument from being damaged by lightning waves. In the design of electromagnetic flowmeter products, the manufacturer has considered certain protective measures for the lightning protection and anti-interference of the flowmeter system. Such as: add transient suppression diodes or discharge tubes to the power supply; electrical isolation of power supply and signal input/output; anti-lightning devices for digital communication interfaces; triple shielding for signal connection cables between sensors and converters; flowmeters are required The system is well grounded, etc. However, in areas with frequent and strong lightning, users should take further measures: (1) Install a 1:1 transformer and lightning arrester at the power input to avoid breakdown of the power supply. ⑵ Install lightning arrester in the signal analog output part. (3) The grounding of the flowmeter system must be good, and the liquid ground must be well connected to the ground to avoid the lightning current conducted by the pipeline and the fluid medium flowing through the instrument body. The above is about the introduction. If you have other supplements or questions, you can contact the flowmeter manufacturer. We are very much looking forward to cooperating and communicating with you. As a professional R&D flowmeter manufacturer, the flowmeter manufacturer has been adhering to the production concept of creating a brand with quality and seeking development with a brand for several years. We provide products with reliable quality and meet the needs. At the same time, we have established long-term cooperative relations with many production enterprises. All colleagues look forward to sailing with you. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Lightning protection method of electromagnetic flow meter'
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