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Electromagnetic flow meter

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Basic idea and principle of electromagnetic flow meter.

Basic idea and principle of electromagnetic flow meter.

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• 1. IN THE NAME OF THE MOST GRACIOUS THE MOST MERCIFUL
• 2. Presented By:
• BEC-01091032
• 3. ElectroMagnetic Flow Meter Topic:
• 4. Introduction
• A  Electromagnetic flow meter  is a volumetric flow meter which does not have any moving parts and is ideal for wastewater applications or any dirty liquid which is conductive  or water based.
• 5. Working Principle
• The operation of a  Electromagnetic flow meter  or magmeter is based upon Faraday's Law , which states that:
• “ The voltage induced across a conductor as it moves at right angles through the magnetic field is proportional to the velocity of that conductor.”
• E  is proportional to  V  x  B  x  D
• where: E  = The voltage generated in a conductor V  = The velocity of the conductor B  = The magnetic field strength D  = The length of the conductor
• (which in this instance is the distance between the electrodes)
• 7.
• ElectroMagnetic flowmeter use Faraday's Law of Electromagnetic Induction to determine the flow of liquid in a pipe. In a magnetic flowmeter, a magnetic field is generated and channeled into the liquid flowing through the pipe. Following Faraday's Law, flow of a conductive liquid through the magnetic field will cause a voltage signal to be sensed by electrodes located on the flow tube walls.
• 8.
• 9.
• 10. Uses…
• Pipelines...
• Refineries...