How does an electromagnetic flowmeter measure accurately?

Electromagnetic flowmeter is an instrument that uses the principle of electromagnetic induction to measure the flow of conductive fluid according to the electromotive force induced by the conductive fluid passing through an external magnetic field. The electromagnetic flowmeter will not be affected by factors such as temperature, pressure and viscosity. There is no pressure loss caused by shrinkage or protruding parts inside the measuring tube. According to the characteristics of sewage with large flow changes, impurities, low corrosiveness, and certain electrical conductivity, electromagnetic flowmeters can be selected to measure the flow of sewage. It is compact in structure and small in size. It is easy to install, operate and maintain. The design of the measurement system is intelligent and can work normally in harsh environments. The vortex flowmeter has a limited diameter due to technical reasons, and the pipeline ultrasonic flowmeter lacks a competitive advantage in price compared with electromagnetics. Electromagnetic flowmeters are widely used because of their large diameters. The specific characteristics of the electromagnetic flowmeter are as follows: 1. There are no obstructing flow parts in the measurement pipeline, no pressure loss, and the straight pipe section requires the bottom. 2. The measurement is not affected by changes in fluid density, viscosity, pressure, temperature, and electrical conductivity. 3. The photosensitive key can be operated without opening the cover; the Chinese menu display is more convenient for domestic users. 4. The quick setting menu guides you to complete the parameter setting, which is convenient and quick. 5. The lining is available in hard rubber, polyurethane, PTFE, PFA and other materials. 6. The transmitter's DC power supply/AC power supply, four-wire system/two-wire system, explosion-proof/non-explosion-proof, economical/standard and other subdivisions meet your different needs. 7. High measurement reliability, good repeatability, and long-term maintenance-free. The range ratio is up to 1000:18, and various output modes such as current, frequency, pulse, FF are available for selection.
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