Last Updates: 16/08/2020

E&H Prosonic FDU95 Ultrasonic measurement Time-of-Flight

Part Number: FDU95 Categories: ,
  • Email Us: sales@celectric.com.my
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  • The FDU95 ultrasonic sensor for continuous, non-contact and maintenance-free level measurement of powdery to coarse bulk materials. The measurement is unaffected by dielectric constant, density or humidity and also unaffected by build-up due to the self-cleaning effect of sensors. Suited for explosion hazardous areas. Maximum measuring range in solids 45m (148ft).

    • Integrated temperature sensor for Time-of-Flight correction. Accurate measurements are possible, even if temperature changes are present
    • Suited for rough ambient conditions thanks to separate installation from the transmitter (up to 300m)
    • Reduced build-up formation because of the self-cleaning effect
    • Integrated automatic sensor detection for transmitters FMU90/FMU95 for simple commissioning
    • Weather resistant and flood-proof (IP 68)
    • Non-contact measurement method minimizes service requirements
    • International Dust-Ex and Gas-Ex certificates available

    Sensor for continuous, non-contact level measurement of bulk materials in silos, on belts, stockpiles and in crushers. Typically used in measurements in low structural heights.

    • Process connection: Thread
    • Temperature: -40 to +80°C or +150°C (-40 to +176°F or +302°F)
    • Pressure: +0.7 to +1.5bar (+10 to +22psi)
    • Maximum measuring range: Solids 45m (148ft)
    • Blocking distance: 0.7m / 80°C (2.3ft), 0.9m / 150°C (2.9ft)
    • International explosion protection certificates
    • Measuring principle

      Ultrasonic

    • Characteristic / Application

      Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300m in-between sensor and transmitter

    • Supply / Communication

      4-wire (HART , Profibus DP)

    • Accuracy

      +/- 2mm + 0.17% of measured distance

    • Ambient temperature

      -40 °C … 80 °C 
      or 150 °C
      (-40 °F … 176 °F
      or 302 °F)

    • Process temperature

      -40 °C … 80 °C 
      or 150 °C
      (-40 °F … 176 °F
      or 302 °F)

    • Process pressure absolute / max. overpressure limit

      0.7 bar … 1.5 bar abs
      (10 psi … 22 psi)

    • Main wetted parts

      UP (unsaturated polyester)
      Silicon / PE foam (80°C / 176°F)
      Silicon / stainless steal (150°C / 302°F))

    • Process connection

      G / NPT 1″

    • Blocking distance

      0.7 m / 80 °C
      (2.3 ft / 176 °F)
      0.9 m / 150 °C
      (2.9 ft / 302 °F)

    • Max. measurement distance

      45 m (148 ft)

    • Communication

      Transmitter:
      4 … 20 mA HART
      Profibus DP

    • Certificates / Approvals

      ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI

    • Options

      Second 4…20mA output

    • Components

      Transmitter:
      FMU90

    Datasheet: Alignment Unit FAU40 Technical Information

    Prosonic S FDU90,91,91F,92,93,95 Technical Information,Operating Instructions

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