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Last Updates: 16/08/2020

E&H Prosonic FMU41 Ultrasonic measurement Time-of-Flight

Part Number: FMU41 Categories: ,

Email Us: sales@celectric.com.my
WhatsApp Us: +60165519084

The Prosonic FMU41 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: Thread
  • Temperature: -40 to +80°C (-40 to +176°F)
  • Pressure: +0.7 to +3bar (+10 to +44psi)
  • Maximum measuring distance: Liquids 8m (26ft), Solids 3.5m (11ft)
  • Blocking distance: Liquids and Solids 0.35m (1.15ft)
  • International explosion protection certificates
  • Measuring principle

    Ultrasonic

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    2/4-wire (HART), PROFIBUS PA, FOUNDATION Fieldbus

  • Accuracy

    +/- 2 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 … 3 bar abs
    (10 psi … 44 psi)

  • Main wetted parts

    PVDF

  • Process connection

    G / NPT 2″

  • Blocking distance

    0.35 m (1.15 ft)

  • Application
     
  • Max. measurement distance

    8 m (26 ft)

  • Communication

    4 … 20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, TIIS, INMETRO, NEPSI

  • Application limits

    For higher resistance:

    FMU42/FDU9x

    Foam / high turbulence possible:

    FMU42/FDU91

    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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