Learn about the characteristics and maintenance and debugging of the plug-in electromagnetic flowmeter

by:Kaidi Sensors     2022-04-22
Learn about the use characteristics and maintenance and debugging functions of the plug-in electromagnetic flowmeter. Insertion electromagnetic flowmeter is a new type of flow measuring instrument developed rapidly with the development of electronic technology in the 1950s and 1960s. Insertion electromagnetic flowmeter is an instrument that uses the principle of electromagnetic induction to measure the flow of conductive fluid according to the potential generated when the conductive fluid passes through an external magnetic field. Based on Faraday's law of electromagnetic induction, plug-in electromagnetic flowmeter. In the electromagnetic flowmeter, the conductive medium in the measuring tube is equivalent to the conductive metal rod in the Faraday test, and the two electromagnetic coils at the upper and lower ends generate a constant magnetic field. When a conductive medium flows, an induced voltage is generated. Measure the induced voltage generated by two electrodes in the pipe. The measuring tube is electromagnetically isolated from the fluid and the measuring electrode by means of a non-conductive lining (rubber, Teflon, etc.). u200bFeatures of the plug-in electromagnetic flowmeter: u200b1. The measurement is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity; 2. There are no obstructing flow parts in the measuring tube, no pressure loss, and low requirements for straight pipe sections. Unique adaptability to slurry measurement. u200b3. Reasonable selection of sensor lining and electrode materials, that is, good corrosion resistance and wear resistance; 4. The converter adopts a novel excitation method, with low power consumption and stable zero point. The flow range is up to 150:1. u200b5. The converter can be integrated or separated with the sensor; 6. The converter adopts a 16-bit high-performance microprocessor, with 2x16LCD display, convenient parameter setting and reliable programming; 7. The plug-in electromagnetic flowmeter is a two-way measurement system , there are three totalizers: positive total, negative total and differential total; can display positive and negative flow, output various: current, pulse, digital communication, HART; 8. The converter adopts surface mount technology (SMT), With self-test and self-diagnosis functions;u200b9. Measurement accuracy is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity. The sensor induced voltage signal has a linear relationship with the average flow velocity, and the measurement accuracy is high. 10. There is no obstruction in the measurement pipeline and no additional pressure loss; there are no moving parts in the measurement pipeline, and the sensor has a long service life. u200b11. Since the induced voltage signal is formed in the entire space filled with magnetic field and is the average value on the pipeline surface, the straight pipe section required by the sensor is shorter and the length is 5 times. u200b12. The converter adopts international advanced single-chip microcomputer (MCU) and surface mount technology (SMT), with reliable performance, high precision, low power consumption, stable zero point and convenient parameter setting. Click Chinese to display LCD, display cumulative flow, instantaneous flow, flow rate, flow percentage, etc. u200b13. Bidirectional measurement system can measure positive flow and reverse flow. Using special production technology and high-quality materials to ensure long-term stability of product performance.
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