Smart Storm - Model 3000 - Magnetic Flowmeter - Manual

An magnetic flowmeter is used for volume flow measurement of electrically conductive liquids. Measurement principle is based on Faraday law on electromagnetic induction. A sensor consists of a non-magnetic tube with non-conductive lining, measuring electrodes and two coils generating electromagnetic field. Flowing liquid forms a conductor. Magnetic field induces voltage U in this conductor that is proportional to magnetic induction B, distance between electrodes d and flow velocity v. U = B x d x v As magnetic induction and distance between electrodes are constant, induced voltage is proportional to velocity of liquid flow in the tube. Volume flow rate is product of flow velocity and tube cross section. Q = v x S.