Anti corrosion electromagnetic flowmeter| multi phase flow meter

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1. Components and Range of Anti corrosion Electromagnetic Flow Meter

Components of Anti corrosion Electromagnetic Flow Meter: Anti corrosion electromagnetic flow meter mainly consists of two parts: sensor and converter. Sensor: The Chuanquedong dry sensor is the core component of an anti-corrosion electromagnetic flowmeter, which is directly installed on the measuring pipeline to sense and measure the flow velocity and flow rate of the fluid. The main components of a sensor include a measuring tube (used to accommodate the measured fluid), electrodes (used to sense changes in conductivity in the fluid, thereby measuring flow rate), excitation coils (used to generate a magnetic field that deflects the charges in the fluid under Lorentz force, thereby generating induced potential), and iron cores and yoke housings (used to support and fix the excitation coils and form a magnetic circuit). Converter: Converter is another important component of anti-corrosion electromagnetic flowmeter. It can convert the electrical signal sensed by the sensor into a standard signal output, such as 4-20mA current signal or 0-10V voltage signal, for subsequent data processing, display and recording. The converter can be combined with sensors to form an integrated electromagnetic flowmeter; It can also be installed at a certain distance from the sensor (such as within 30 meters or 100 meters), connected to the sensor through a shielded cable, forming a separated electromagnetic flowmeter. The range of anti-corrosion electromagnetic flowmeter: The range of anti-corrosion electromagnetic flowmeter is mainly affected by factors such as the flow rate of the measured medium, fluid characteristics, and the diameter of the flowmeter. Flow r

ate range: The flow rate of the measured medium in the general industrial intelligent anti-corrosion electromagnetic flowmeter is recommended to be 2-4m/s. In special circumstances, the minimum flow velocity should not be less than 0.2m/s to ensure accurate measurement by the flowmeter; The maximum flow velocity should not exceed 8m/s to prevent excessive flushing and wear of the flow meter caused by the fluid. If the medium contains solid particles, the commonly used flow rate should be less than 3m/s to reduce wear on the lining and electrodes; For viscous fluids, the flow velocity can be selected to be greater than 2m/s to automatically eliminate viscous substances attached to the electrode and improve measurement accuracy with higher flow velocity. The relationship between flowmeter diameter and range: Under the condition that the range Q has been determined, the size of flowmeter diameter D can be determined based on the range of flow velocity V. The specific calculation formula is: Q=π D2V/4, where Q is the flow rate (㎡/h), D is the inner diameter of the pipeline (m), and V is the flow velocity (m/s). By adjusting the diameter D of the flowmeter, it can adapt to the measurement needs of different flow ranges. Range selection: The range Q of the anti-corrosion electromagnetic flowmeter should be greater than the expected maximum flow value to ensure that it does not exceed the measurement range of the flowmeter during the measurement process. At the same time, it is advisable to have a normal flow rate slightly greater than 50% of the full-scale scale of the flow meter, which can improve the accuracy and stability of the measurement. In practical applications, it is necessary to comprehensively consider factors such

Anti corrosion electromagnetic flowmeter

1. Components and Range of Anti corrosion Electromagnetic Flow Meter

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