Ultrasonic measurement
Time-of-Flight
Prosonic FMU40

Prosonic FMU40 ©Endress+Hauser
Prosonic FMU40 application chemical ©Endress+Hauser

Time-of-Flight measuring principle

Cost effective device for sophisticated level measurement in liquids and bulk solids for up to 5m

The Prosonic FMU40 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.

  • Edut

    • 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

    • ...

  • Käyttöalue

    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 5m (16ft), Solids 2m...

Yksityiskohtaiset tiedot

  • Mittausperiaate

    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 1)

  • 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 1 1/2"

  • Blocking distance

    0.25 m (0.8 ft)

  • Max. measurement distance

    2 m (6 ft)

  • Communication

    4 ... 20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, TIIS, INMETRO, NEPSI

  • Application limits

    Take notice of range diagram

  • Mittausperiaate

    Ultrasonic Limit

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    2/4-wire (HART),

    PROFIBUS PA,

    FOUNDATION Fieldbus

  • 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 1 1/2"

  • Blocking distance

    0.25 m (0.8 ft)

  • Communication

    4...20 mA HART

    PROFIBUS PA

    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, INMETRO, NEPSI

  • Application limits

    Take notice of range diagram

  • Mittausperiaate

    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 1 1/2"

  • Blocking distance

    0.25 m (0.8 ft)

  • Application

  • Max. measurement distance

  • Communication

    4 ... 20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, TIIS, INMETRO, NEPSI

  • Application limits

  • Mittausperiaate

    Ultrasonic Limit

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    2/4-wire (HART),

    PROFIBUS PA,

    FOUNDATION Fieldbus

  • 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 1 1/2"

  • Blocking distance

    0.25 m (0.8 ft)

  • Communication

    4...20 mA HART

    PROFIBUS PA

    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, INMETRO, NEPSI

  • Application limits

    Take notice of range diagram

  • Mittausperiaate

    Ultrasonic

  • Product headline

    Compact ultrasonic measuring instrument
    Cost effective solution for open channel

  • Max. measurement error

    Low accuracy

  • Measuring range

    0,25...5m [0.8...16ft]

  • Max. process pressure

    atm.

  • Medium temperature range

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

  • Degree of protection

    IP68

  • Outputs

    4...20mA(Hart),PA,FF

  • Inputs

    2-wire 16-36V DC,
    4-wire 16-36V DC,
    90-253V AC 50/60Hz

  • Digital communication

    PROFIBUS PA, FOUNDATION Fieldbus

  • Hazardous area approvals

    ATEX, FM, CSA

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