Electromagnetic flow meters simply known as mag flow meter is a volumetric flow meter which is ideally used for waste water applications and other applications that experience low pressure drop and with appropriate liquid conductivity required.
Magnetic flow meter working principle animation.
The two blue dots in the animation indicates electrodes.
Principle of operation simply magnetic flow meters works on faraday s law of electro magnetic induction.
The copper coils red blocks magnets on top bottom of the instrument are electro magnets used to generate a magnetic field.
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The device doesn t have any moving parts and cannot work with hydrocarbons and distilled water.
According to faraday s law of electromagnetic induction whenever a conductor is placed in a magnetic field an emf is induced which is called induced emf.
Working principle of magnetic flow meter advantages and limitations.
According to this principle when a conductive medium passes through a magnetic field b a voltage e is generated which is proportional to the velocity v of the medium the density of the magnetic field and the length of the conductor.
Principle of magnetic flow meter based on faraday s law.