Prosonic M

Prosonic M

Compact transmitters for non-contact level measurement of fluids, pastes and coarse bulk materials.


  • Quick and simple commissioning via menu-guided onsite operation with four-line plain text display; 7 languages selectable
  • Envelope curves on the on-site display for simple diagnosis
  • Easy remote operation, diagnosis and measuring point documentation with the supplied FieldCare operating program
  • Suitable for explosion hazardous areas (Gas-Ex, Dust-Ex)
  • Linearisation function (up to 32 points) for conversion of the measured value into any unit of length, volume or flow rate
  • Non-contact measurement method minimizes service requirements
  • optional remote display and operation (up to 20 m (66) from transmitter)
  • Integrated temperature sensor for automatic correction of the temperature dependent sound velocity

Field of application

  • Continuous, non-contact level measurement in fluids, pastes, sullages and coarse bulk materials
  • Flow measurement in open channels and measuring weirs

System integration via

  • HART (standard), 4 – 20 mA
  • FOUNDATION Fieldbus

Maximum measuring range

  • 8 m in fluids
  • 3,5 m in bulk materials

Measuring ranges

For FMU40

  • 5 m in fluids
  • 2 m in bulk materials

For FMU42

  • 10 m in fluids
  • 5 m in bulk materials

For FMU43

  • 15 m in fluids
  • 7 m in bulk materials

For FMU44

  • 20 m in fluids
  • 10 m in bulk materials
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