The measuring principle of electromagnetic flow meter is based on Faraday's law of electromagnetic induction. The sensor is mainly composed of a measuring tube with an insulated lining, a pair of electrodes installed by penetrating the wall of the measuring tube, a pair of coils and an iron core to generate a working magnetic field. When a conductive fluid flows through the sensor's measuring tube, a voltage signal directly proportional to the average fluid flow rate will be induced at the electrodes. The signal is amplified and processed by the transmitter to realise various display functions.
Documentation DN20 carbon steel electromagnetic flow meter KLD PN16 (potassium hydroxide KOH-50%, ammonia 25% liquid), 0.11-11 m3/h, 4-20mA+HART with a controller
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