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Prosonic FMU41 - Ultrasonic measurement

Ultrasonic measurement
Time-of-Flight
Prosonic FMU41

Cost effective device for sophisticated level measurement in liquids and bulk solids for up to 8m

FMU41
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Measuring / Application task

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  • Measuring principle

    Ultrasonic

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    2-wire HART

  • 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 / 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)

  • Max. measurement distance

    Liquids: 8 m (26 ft),
    Solids: 3.5 m (11 ft)

  • Communication

    4...20 mA HART

  • 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

  • Measuring principle

    Ultrasonic

  • Characteristic / Application

    Compact ultrasonic transmitter

  • Supply / Communication

    2-wire HART

  • 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 / 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)

  • Max. measurement distance

    Liquids: 8 m (26 ft),
    Solids: 3.5 m (11 ft)

  • Communication

    4...20 mA HART

  • Certificates / Approvals

    ATEX, FM, CSA, TIIS, INMETRO, NEPSI

  • Application limits

    Take notice of range diagram

  • Measuring principle

    Ultrasonic

  • Product headline

    Compact ultrasonic measuring instrument
    Cost effective solution for open channels

  • Max. measurement error

    Low accuracy

  • Measuring range

    Measuring distance 0,4...8m [1.3...26ft]

  • 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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