Magnetic flow meters, also known as electromagnetic flow meters and mag meters, are a device used to measure the flow rates of conductive liquids. Magnetic flow meters differ from other types of flow meters because they do not have any moving parts, making them a long-lasting, accurate type of flow meter, which is one reason for their popularity. As mentioned above, magnetic flow meters can only be used to measure conductive liquids, which are liquids that can conduct electricity, because they use an electrical current to measure flow rates. Magnetic flow meters operate under Faraday’s law of magnetic induction, a principle that states that the amount of electrical current in a conductor is directly proportional to the velocity of the moving conductor. Mag meters use coils to create a magnetic field that the conductive liquids pass through, allowing them to measure flow rate.

What Are The Benefits Of Using A Magnetic Flow Meter?

One of the primary benefits of magnetic flow meters is that they do not have any moving parts, which means they require significantly less maintenance and do not wear or break down as quickly as other types of flow meters. Another benefit of magnetic flow meters is that they can be used to measure the flow rates of dirty, viscous liquids without losing accuracy. One more benefit of magnetic flow meters (that we’ll mention in this article) is that they can typically measure flow moving in either direction, something that most other types of flow meters are unable to do.

What Are The Disadvantages Of Magnetic Flow Meters?

The primary disadvantage of magnetic flow meters is that they can only measure conductive liquids. If you need to measure any type of fluid that does not conduct electricity, you’ll need a different type of flow meter. One more disadvantage of magnetic flow meters is that they can not be used with media that contains magnetic materials, as these would interfere with the magnetic field and create malfunctions or inaccuracies.

Shop Magnetic Flow Meters Online or Contact Sentrol Inc!

If you have any questions about how magnetic flow meters can be beneficial in your application, please don’t hesitate to contact our team at Sentrol Inc! We provide facilities in New England, the Mid-Atlantic, and Eastern Canada with instrumentation sales, repair, calibration, and much more! Call us today at (888) 877-1778 or fill out the contact form on our website, and we’ll get back to you as soon as possible! Shop our online store to purchase magnetic flow meters from industry-leading manufacturers like Yokogawa!


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