Magnetic meters

Magnetic flowmeters are used with conductive liquids of minimum conductivity 5µs/cm.
Measurement is based on electromagnetic induction. Electromagnets create a magnetic field while the conductive medium flows through the magnetic field, giving rise to potential. As the flow rate rises, the voltage increases according to the following formula:

  • U = B*I*V
  • U = induced voltage
  • B = magnetic flux density
  • I = distance of measuring electrodes
  • V = medium flow velocity

Wide measuring range as an advantage

In addition to the wide measuring range, magnetic meters constitute a relatively cheap measurement method for liquids.

The measuring tube is typically lined with rubber or Teflon, but for abrasive applications, it is also available without lining.