Working principle of Magnetic Induction flowmeter principle relies on electromagnetic fields. Use the rules for the measurement of Faraday, which fluid flow speed is a measure of the induced voltage that occurs when a liquid flow through a magnetic field, electric. By the induction voltage occurring there will be in the direction perpendicular to the flow direction and the magnetic field. By the induction voltage occurring when liquid flows through electromagnetic fields. We can find from the equation as follows: Um = BLVWithout U = voltage inductor B = the density of the lines of magnetic force. L = distance between the electrode and trot = d = internal diameter of the pipe. V = speed of the average flow of the liquid. Q = AV = (3.14d^2 /4) V Therefore U = 4QB/3.14d
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