The structure of electromagnetic flowmeter, a figure version

Abstract: the structure of electromagnetic flowmeter, a figure version information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Structure is mainly composed of: in addition to the power supply, the conventional electromagnetic flowmeter structure including the sensors and switches usually two parts. Which sensor transform through the medium flow into induction electric potential, then the induction electric potential to the converter converts the signal ( 4 - 20MA） Come in. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a structure of electromagnetic flowmeter, a figure version article details. Structure is mainly composed of: in addition to the power supply, the conventional electromagnetic flowmeter structure including the sensors and switches usually two parts. Which sensor transform through the medium flow into induction electric potential, then the induction electric potential to the converter converts the signal ( 4 - 20MA） For the output display or control. So what the detailed structure of the electromagnetic flowmeter? We then look down: (1) shell: ferromagnetic material, the coil casing, isolate the interference of external environment, guarantee the normal work of the magnetic field of electromagnetic flowmeter state; (2) catheter: infrastructure to ensure that the medium ( With electrical conductivity) The circulation of the pipe body, must to be less permeable materials such as stainless steel, glass steel, carbon steel, etc. ; (3) electrodes, its function is to extract the induction electric potential signal proportional to the measurement, the electrode is usually made of non-magnetic materials, flush with the liner and requirements, so as to avoid fluid flow is blocked. Its installation position should be perpendicular to the direction of the pipeline, in order to prevent the sediment accumulation on the pipe and affect measurement accuracy. (4) magnetic circuit system, its function is to produce uniform DC or AC magnetic field, magnetic circuit by the permanent magnet DC implementation, its advantage is relatively simple structure, less interference from AC magnetic field, but easy to make the pipe by measuring the electrolyte polarization, so that the anode is surrounded by the cathode, anode surrounded by positive ions. Enclosure is the electrode polarization phenomenon, can cause two electrodes of the internal resistance increases, which seriously affects the normal operation of the electric meter. When the large pipe diameter, the permanent magnet correspondingly big, bulky and not economic. Therefore, the electromagnetic flowmeter is usually using alternating magnetic field, and inspired by 50 hz industrial frequency power supply. (5) converter: flow of induction electric potential signal is very weak, and the influence of various kinds of interference factors. Is the role of converter induction electric potential signal amplification and transform it into a unified standard signal, and suppress the interference signals. Its task is to enlarge the induction electric potential signal Ex electrode is detected and transform it into a unified standard DC signal. 6. Lining: in measuring the inside of the tube and flange sealing surface has the complete electrical insulating lining. Direct contact with the liquid under test, its function is to increase the measuring tube corrosion resistance, and prevent the induction potential short circuit because of metal measuring tube wall. Lining material mainly is corrosion resistant, high temperature resistance, wear resistance of ptfe plastic, ceramic, etc. After introduced the detailed structure of electromagnetic flowmeter, still can continue to learn about the principle of electromagnetic flowmeter is introduced: the portal please click on the principle of electromagnetic flowmeter is now on the structure of the electromagnetic flowmeter, and have a deeper understanding of working method? Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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