The paper pulp flow with the working principle of the electromagnetic flow meter scale

Abstract: the paper pulp flow with the working principle of the electromagnetic flowmeter scale of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter measurement principle is based on Faraday's law of electromagnetic induction. Flowmeter measurement tube is a lining insulation of permeability alloys short tube. Two electrodes along diameter direction through the wall on the measuring tube. Excitation coil by two-way square wave pulse excitation. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a paper pulp flow with the working principle of the electromagnetic flowmeter scale article details. Electromagnetic flowmeter measurement principle is based on Faraday's law of electromagnetic induction. Flowmeter measurement tube is a lining insulation of permeability alloys short tube. Two electrodes along diameter direction through the wall on the measuring tube. The bi-directional square wave pulse excitation coil excitation, will be in a direction perpendicular to the axis measuring tube to produce a magnetic field of magnetic flux density of B work. At this point, if a certain electrical conductivity of the fluid flowing through the measuring tube, will cut magnetic induction electromotive force E. Electromotive force E is proportional to the magnetic flux density B, sounding pipe diameter d, and v is the product of the average flow. Electromotive force E ( Traffic signals) By the detection electrode and through the cable to the converter. Converter will flow signal amplification processing, can display the fluid flow, and can output pulse, analog signals, such as current used for flow control and regulation. E = KBdv type: E - - - - - - - - For the signal voltage between electrodes ( v） B - - - - - - - - The magnetic flux density ( T） d - - - - - - - - Sounding pipe diameter ( m） v - - - - - - - - The average flow velocity ( m/s） Type of k, d is constant, due to the exciting current is constant current, therefore, B is constant, by E = KBdv, volume flow rate Q and E - signal voltage E is proportional, i. e. , velocity sensor signal voltage and a linear relationship with volume Q. Therefore, as long as the measured E can determine the flow Q, this is the basic working principle of electromagnetic flowmeter. By E = KBdv knowable, the medium of the flow temperature, density, pressure, conductivity, liquid solid two phase fluid parameters such as composition of liquid-solid ratio does not affect the measurement result. As for the flow state should accord with axisymmetric flow ( Such as laminar or turbulent) Will not affect the measurement result. So say electromagnetic flowmeter is a kind of volume flowmeter. For manufacturers and users, as long as the actual calibration with ordinary water can be measured after any other conductive fluid volume flow, without any correction. This is a prominent advantages of electromagnetic flowmeter, a don't have any other flowmeter. The measuring tube without activity and choke components, so almost no pressure loss, and have high reliability. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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