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What does the electromagnetic flowmeter measure
Electromagnetic flowmeter measurement, is a kind of liquid flow measurement automation meters, it is mainly used to measure the instantaneous flow of the fluid medium, and cumulative flow, and the collected data by communication cable or wireless way, transmission is the highest level computer operating system or automation control system, the system analysis of measured data, the corresponding process fluid in the pipeline for handling, the eyes of the flowmeter is known as the industrial automation, through the flowmeter can real-time understanding of the medium inside the pipeline flow velocity and flow rate data, etc.
When the conductive fluid flows through the magnetic field perpendicular to the flow direction, the conductive fluid induces the induced voltage E, which is proportional to the average flow rate. The induced voltage is detected by two electrodes in direct contact with the fluid, amplified, filtered and shaped by the converter, and sent to the MCU to complete the display and output control of instantaneous flow and cumulative flow.In E=KBVD formula :E-- induced voltage K-- instrument constant B-- magnetic induction intensity V-- measurement of average flow rate D-- flowmeter diameter
A good electromagnetic flowmeter, with a high measurement accuracy, stable product performance, the current electromagnetic flowmeter accuracy is generally 0.3, 0.5, and some small diameter products can achieve 0.2.Due to the particularity of its measurement principle, it is necessary to measure the medium with a certain conductivity (generally greater than 5us/cm), and at the same time to measure the starting flow rate (generally greater than 0.5m/s).
TSD electromagnetic flowmeter has many advantages in measuring water-related fluid flow and has been widely used in various industries.
(1) there are no flow obstructing parts in the measuring tube, no pressure loss, and the requirements for straight pipe section are relatively low;
(2) high measurement accuracy, strong stability and strong anti-vibration interference ability;
(3) the measurement is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity;
(4) with a variety of electrode and lining options, strong resistance to medium corrosion.
Porcelain city flowmeter after hundreds of working medium, the service life of more than 8 years, and without secondary calibration, since it was founded, the porcelain city instrument is determined to do the world first-rate flowmeter, breaking the monopoly of the industry, international brand in the flowmeter to customers in the domestic can buy real German quality domestic flow meter.
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