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Last Updates: 21/04/2021

E+H Prosonic FMU43 Ultrasonic Level Transmitter

The Prosonic FMU43 sensor is suited for non-contact level measurement in fluids, pastes, coarse bulk material and flow measurement in open channels or at weirs. The two-wire or four-wire compact transmitter can be used in applications with storage tanks, agitators, on stockpiles and conveyor belts. The envelope curve can be shown on the on-site display for simple diagnosis. Linearization function (up to 32 points) for conversion of the measured value into any unit of length, volume or flow rate.

  • Reliable non-contact measurement
  • Quick and simple commissioning via menu-guided on-site operation with four-line plain text display, 7 languages selectable
  • Envelope curves on the on-site display for simple diagnosis
  • Hermetically sealed and potted sensor
  • Chemically resistant sensor out of PVDF
  • Calibration without filling or discharging
  • Integrated temperature sensor for automatic correction of the temperature dependent sound velocity

Two-wire or four wire instrument for continuous non-contact level and flow measurement.

  • Process connection: Flange
  • Temperature: -40 to +80°C (-40 to +176°F)
  • Pressure: +0.7 to +2.5bar (+10 to +36psi)
  • Maximum measuring distance: Liquids 15m (50ft), Solids 7m (23ft)
  • Blocking distance: Liquids and Solids 0.6m (2ft)
  • International explosion protection certificates
  • Measuring principle

    Ultrasonic

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    4-wire (HART), PROFIBUS PA, FOUNDATION Fieldbus

  • Accuracy

    +/- 4 mm or +/- 0.2 %of set measuring range

  • Ambient temperature

    -40 °C … 80 °C
    (-40 °F … 176 °F)

  • Process temperature

    -40 °C … 80 °C
    (-40 °F … 176 °F)

  • Process pressure absolute / max. overpressure limit

    0.7 bar … 2.5 bar abs
    (10 psi … 36 psi)

  • Main wetted parts

    Unsaturated Polyester, 316 Ti

  • Process connection

    DN 100, ASME 4″

  • Blocking distance

    0.6 m (2 ft)

  • Application
     
  • Max. measurement distance

    15 m (50 ft)

  • Communication

    4 … 20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, NEPSI

  • Application limits

    Foam / high turbulence possible:

    FMU44/FDU92

    Foam / high turbulence possible:

    FMU44/FDU92

    Fast filling and discharging rate:

    FMU90 + FDU9x

    Level limit detection

    FMU90 + FDU9x

Datasheet: Prosonic M FMU40,41,42,43,44 Technical Information

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