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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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