These meters are also called as magflow or electromagnetic flow meters.
Magnetic flow meter working principle.
The physical principle at work is electromagnetic induction.
The flow principle behind magnetic flow meters is known as faraday s law mathematically defined as e k b d v.
Principle of magnetic flow meter based on faraday s law.
What is the working principle of magnetic flow meter.
Magnetic flow meters works based on faraday s law of electromagnetic induction.
A magnetic field is applied to the metering tube which results in a potential difference proportional to the flow velocity perpendicular to the flux lines.
Be careful because using magnetic flowmeters on fluids with low conductivity such as deionized water boiler feed water or hydrocarbons can cause the flowmeter to turn off and measure zero flow.
The physical principle at work is electromagnetic induction and mathematically defined as e k b d v.
Faraday s law the operation of a electromagnetic flowmeter is based upon faraday s law which states that the voltage induced across any conductor as it moves at right angles through a magnetic field is proportional to the velocity of that conductor.
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.
The induced voltage e is directly proportional to the velocity v of the fluid moving through the magnetic field b.