The intelligent electromagnetic flowmeter employs a Chinese-English electromagnetic converter and utilizes a high-speed central processing unit. It boasts extremely fast calculation speed, high accuracy, and reliable measurement performance. The converter circuit has an input impedance of up to 750Ω, a common-mode rejection ratio (CMRR) better than 100dB, and a rejection capability of better than 90dB for external interference and 60Hz/50Hz interference, enabling the measurement of fluid media with lower conductivity. Its sensor employs non-uniform magnetic field technology and a special magnetic circuit structure, ensuring a stable and reliable magnetic field. Working Principle: The electromagnetic flowmeter's measurement principle is based on Faraday's law of electromagnetic induction. The flowmeter's measuring tube is a short, non-magnetic alloy tube lined with insulating material. Two electrodes are fixed to the measuring tube, passing through the tube wall along the tube diameter. The electrode heads are basically flush with the inner surface of the lining. When the excitation coil is energized by a two-wave pulse, it generates a working magnetic field with a magnetic flux density of B in a direction perpendicular to the axis of the measuring tube. At this time, if a fluid with a certain conductivity flows through the measuring tube, it will cut the magnetic lines of force, inducing an electromotive force (EMF) E. The EMF E is proportional to the magnetic flux density B, the product of the inner diameter d of the measuring tube and the average flow velocity V. The EMF E (flow signal) is detected by the electrodes and sent to the converter via a cable. After amplifying and processing the flow signal, the converter can display the fluid flow rate and output pulse, analog current, and other signals for flow control and regulation.