Electromagnetic flowmeters (Electromagnetic Flowmeters, referred to as EMF) is the 20th century, 50 to 60 years with the rapid development of electronic technology to develop new flow measurement instruments. Electromagnetic flowmeter is based on Faraday's law of electromagnetic induction, used to measure the conductive liquid volume flow meter. Because of its unique advantages, electromagnetic flowmeter has been widely used in industrial processes in a variety of conductive liquid flow measurement, such as various acids, alkalis, salts and other corrosive media; electromagnetic flowmeter various slurry flow measurement to form A unique application area.
In structure, the electromagnetic flowmeter consists of two parts: the electromagnetic flow sensor and the converter. The sensor is mounted on an industrial process pipe. Its function is to linearly convert the liquid volume flow into the pipe to an induced potential signal and send the signal to the converter via a transmission line. The converter, installed not too far from the sensor, amplifies the flow signal from the sensor and converts it into a standard electrical signal output proportional to the flow signal for display, accumulation and adjustment control.
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