Try searching by key words, order- or product code or serial number e.g. “CM442” or “Technical information”
Enter at least 2 characters to start the search.
  • History
Prosonic FDU90 - Ultrasonic measurement

Ultrasonic measurement
Time-of-Flight
Prosonic FDU90

Ultrasonic sensor for level and flow measurement for connection to FMU9x (measuring range up to 3m)

FDU90
Please Wait (spinning wheel)
Loading price
Prices temporarily unavailable
Price on request
activating price
price: provide information
from CHF ??.-
Filter Measuring / Application task
Measuring / Application task

Configure to download the CAD drawings of this product

  • 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

  • Specialities

    Floating protection tube

  • Supply / Communication

    4-wire (HART, PROFIBUS DP)

  • Accuracy

    +/- 2mm + 0.17% of measured distance

  • Ambient temperature

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

  • Process temperature

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

  • Process pressure / max. overpressure limit

    0.7 bar ... 4 bar abs
    (10 psi ... 58 psi)

  • Main wetted parts

    PVDF (IP68 / NEMA6P)

  • Process connection

    Front side thread:
    G / NPT 1 1/2"
    Rear side thread:
    G / NPT 1"
    Ceiling mounting

  • Blocking distance

    0.07 m (0.23 ft)

  • Max. measurement distance

    Liquids: 3 m (9.8 ft),
    Solids: 1.2 m (3.9 ft)

  • Communication

    Transmitter:
    4 ... 20 mA HART
    PROFIBUS DP

  • Certificates / Approvals

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

  • Options

    Second 4...20mA output

  • Components

    Transmitter:
    FMU90, FMU95

  • Application limits

    Foam / high turbulence possible:
    FDU92
    Flange-flush assembly:
    FDU91F
    For tank farms scanner:
    FMU95

  • 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
    (-40 °F ... 176 °F)

  • Process temperature

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

  • Process pressure / max. overpressure limit

    0.7 bar ... 4 bar abs
    (10 psi ... 58 psi)

  • Main wetted parts

    PVDF (IP68 / NEMA6P)

  • Process connection

    Front side thread:
    G / NPT 1 1/2"
    Rear side thread:
    G / NPT 1"
    Ceiling mounting

  • Blocking distance

    0.07 m (0.23 ft)

  • Max. measurement distance

    Liquids: 3 m (9.8 ft),
    Solids: 1.2 m (3.9 ft)

  • Communication

    Transmitter:
    4 ... 20 mA HART
    PROFIBUS DP

  • Certificates / Approvals

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

  • Options

    Second 4...20mA output

  • Components

    Transmitter:
    FMU90

  • Measuring principle

    Ultrasonic

  • Product headline

    Version with separate transmitter in field housing or top hat rail housing
    Cost effective solution for open channel flow measurement in water / wastewater plants

  • Max. measurement error

    Accuracy:
    distance measurement: +/- 2mm + 0.17%

  • Measuring range

    Up to 3 m / 9.8 ft

  • Max. process pressure

    0.4 bar...4 bar
    (10 psi...58 psi)

  • Medium temperature range

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

  • Degree of protection

    IP68

  • Display/Operation

    Transmitter FMU90

  • Outputs

    Transmitter:
    4 ... 20 mA HART
    PROFIBUS DP

  • Inputs

    Transmitter FMU90

  • Digital communication

    HART, PROFIBUS DP

  • Hazardous area approvals

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