Magnetic flow meter
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A magnetic flow meter is a transducer that measures fluid flow by the voltage induced across the liquid by its flow through a magnetic field. A magnetic field is applied to the metering tube, which re
Electromagnetic flow meter
Electromagnetic induction
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Electromagnetic induction or magnetic induction is the production of an electromotive force across an electrical conductor in a changing magnetic field.
Magnetic flow meter
…tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines. The physical principle at work is electromagnetic induction. The magnetic flow meter requires a conducting fluid, for example, water that contains ions, and an electrical insulating pipe surface, for example, a…
A current clamp
Hawkins Electrical Guide Figure 292 Eddy currents in a solid armature
Hawkins Electrical Guide Figure 293 Armature core with a few laminations showing effect on eddy currents
Small DC Motor pole laminations and overview