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Magnetic flow meters are widely used for measurement of electrically conductive media. It measures the velocity of such liquid or gas product that flows through an open or closed pipeline. In this article, we discuss the application field and working principle of magnetic flow meter.

The main application of magnetic flow meter is for measuring and controlling liquid, steam, and gas products which have varying flow rates. Some of the common products flowing through pipes, such as water, gas, steam and soda ash, are measured by magnetic flow meters. In addition, it is also used to measure the volumetric flow rate, total flow and linear velocity of chemical and gas products.

To measure the flow rate, magnetic flow meter uses a combination of two components - an electromagnetic field generator and a Faraday’s law of induction sensor/probe. The electromagnetic field generator induces an invisible magnetic field around the entire pipe that is connected to the flow meter. The flow meter then measures the extent to which the induced magnetic field affects the flow of electrically conductive liquids or gases passing through the pipe. The signal is then read by the Faraday’s law of induction sensor, which is installed at the upstream and downstream of the pipe.

The Faraday’s law of induction principle states that when a moving electrical conductor enters a static magnetic field, an electrical charge will be induced on the surface of the conductor. This induced electrical charge is then measured by the Faraday’s law of induction sensor installed at the upstream and downstream of the pipe. As the electrically conductive liquids or gases move through the pipe, the Faraday’s law of induction sensor uses the resulting current to measure the flow rate in terms of the velocity of the liquid or gas.

In order to ensure accurate flow measurements, magnetic flow meter requires a medium that has a high conductivity. This is because lower conductivities will require higher input signals, which can sometimes cause the Faraday’s law of induction sensor to become overburdened. Therefore, it is important to make sure that the medium being measured has a high electrical conductivity.

As the magnetic flow meter is capable of measuring the flow rate of liquid or gas products, it is can also be used for measuring and controlling the flow rate in various industrial processes. For example, it can be used to measure the flow rate of a liquid or gas in a process line. This can be used to detect an expected trend in flow rate or to detect any unexpected changes in the flow rate. In addition, the magnetic flow meter can also be used to detect any equipment malfunction or other abnormal conditions that can affect the process line.

Overall, the magnetic flow meter is a reliable and cost-effective instrument for measuring and controlling the flow rate of electrically conductive liquids or gases. Its application is mainly used in process industries to ensure that the flow rate is within an acceptable range. It is also easy to install and maintain, which makes it an ideal choice for any industrial process that requires accurate and cost-effective flow measurement.

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