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What are the characteristics of electromagnetic flowmeters?

2015-11-25View Original

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What are the characteristics of electromagnetic flowmeters?
Reply #22015-11-25
1. The measurement is not affected by changes in fluid density, viscosity, temperature, pressure, and conductivity; 2. There are no components that impede flow inside the measuring tube, resulting in no pressure loss; relatively short straight sections are required. Has a unique adaptability for slurry measurement ; 3. Select the sensor lining and electrode materials appropriately, that is, those with good corrosion and wear resistance ; 4. The converter adopts a novel excitation method, featuring low power consumption, stable zero point, and high precision. The flow ratio can reach 150:1 ; 5. The converter can be integrated with the sensor or used as a separate unit ; 6. The converter is equipped with a 6-bit high-performance microprocessor and a 2x16 LCD display, enabling easy parameter setting and reliable programming ; 7. The flow meter is a two-way measurement system, equipped with three accumulators: total volume for the forward flow, total volume for the reverse flow, and total difference volume ; It can display positive and negative flow rates, and offers various outputs: current, pulse, digital communication, HART ; 8. The converter uses surface mount technology (SMT) and features self-check and self-diagnosis functions ; 9. The measurement accuracy is not affected by changes in fluid density, viscosity, temperature, pressure, or conductivity. The voltage signal generated by the sensor is linearly related to the average flow velocity, thereby ensuring high measurement accuracy. 10. There are no flow-obstructing elements inside the pipeline, so there is no additional pressure loss ; There are no moving parts inside the measurement pipeline, so the sensor has an extremely long lifespan. 11. Since the induced voltage signal is generated throughout the space filled with magnetic field and represents an average value over the cross-section of the pipe, the straight pipe section required for the sensor is short, with a length of 5 times the pipe diameter. 12. The converter utilizes the latest and most advanced microcontrollers (MCUs) and surface mount technology (SMT) available internationally, offering reliable performance, high precision, low power consumption, stable zero point, and easy parameter setting. Click on Chinese to display the LCD, which shows cumulative flow rate, instantaneous flow rate, flow velocity, flow percentage, and more. 13. A two-way measurement system that can measure forward flow and reverse flow. Special production processes and high-quality materials are used to ensure that the product’s performance remains stable over an extended period of time.

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