Magnetic Flow Meter Animation
Image Courtesy : Yokogawa
Animation by : Instrumentation Tools
Simply, Magnetic Flow Meters works on Faraday’s Law of ElectroMagnetic Induction. The Two Blue dots in the animation indicates electrodes. The Copper coils (red blocks – magnets) on top & bottom of the instrument are electro-magnets used to generate magnetic field. When there is no fluid flow then the voltage between electrodes is Zero. When a fluid flows through the magnetic field, the two electrodes pick up the voltage and it is proportional to fluid flow rate.
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Also Read: Magnetic Flow Meters Full Working Principle
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Five stars for instrumentation Animations and very useful website for instrumentation engineers.
it is useful to us…who work on field……
When is it recommended to use the magnetic flowmeter? what are the best process conditions to be used for?? thanks
One unique aspect of magnetic flowmeters is that they can only measure conductive fluids. They are excellent for water and most other liquids, but they cannot measure hydrocarbon-based fluids.Some advantages of magnetic flowmeters are that they can easily handle dirty liquids, slurries, wastewater, and other hard-to measure liquids.
Another unique feature of magnetic flowmeters is the number of types of liners available for different applications. These different liners make magnetic flowmeters useful for hygienic applications, for caustic liquids, and for almost any type of water application. Almost any type of conductive liquid can be measured with the right type of liner.
Conductivity shall be checked with Process. Water conductivity is not very excellent. This was confirmed by Process Engineer. Because water can be many types like Fresh water, Sour water, Sea water etc. Caustic soda for example has very high conductivity.
Very useful…
Magnetic types are very accurate,but if there is any electrical disturbances like as improper earthing etc,that will badly affect the signals from the sensor to transmitter,and transmitter may unable to produce exact output PV.
Very nice good information I like it
What type of output current a.c. or D.C.? ??
Dear sir. I can’t explain how wonderful and useful your website is. Thank you very much for your work.
Best regards.
simplesmente MARAVILHOSO
Translated Portuguese to English : just wonderful