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Ultrasonic measurement
Time-of-Flight
Prosonic FDU90

Prosonic FDU90 ©Endress+Hauser
Prosonic FDU90 ©Endress+Hauser

Time-of-Flight measuring principle

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

The FDU90 ultrasonic sensor for continuous, non-contact and maintenance-free level measurement of fluids, pastes, sludges and powdery to coarse bulk materials. But also for flow measurement in open channels and measuring weirs. 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 liquids 3m (9.8ft), solids 1.2m (3.9ft).

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  • Fácil de escolher, instalar e operar

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  • Confiável, robusto e baixa manutenção

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  • Produtos com tecnologia de ponta

  • Altamente funcional e prático

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  • Produtos especializados

  • Desenvolvidos para aplicações exigentes

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Variável

Versões FLEX Excelência técnica Simplicidade
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Versão Fundamental

Atende suas necessidades básicas de medição

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Versão Lean

Lida com seus principais processos facilmente

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Seleção Extended

Otimiza seus processos com tecnologias inovadoras

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Versão Xpert

Controla suas aplicações mais difíceis

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  • Especificações resumidas

    • Process temperature

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

    • Process pressure absolute / max. overpressure limit

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

    • Max. measurement distance

      1.2 m (3.9 ft)

    • Accuracy

      +/- 2mm + 0.17% of measured distance

    • Main wetted parts

      PVDF (IP68 / NEMA6P)

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  • Benefícios

    • Integrated temperature sensor for Time-of-Flight correction. Accurate measurements are possible, even if temperature changes are present

    • Hermetically welded PVDF sensor for highest chemical resistance

    • Suited for rough ambient conditions thanks to separate...

  • Campo de aplicação

    Sensor for continuous, non-contact level measurement of fluids and bulk materials in silos, on belts, stockpiles and in crushers. Also flow measurement in open channels and at weirs. Typically used in measurements in low structural heights.

    • Process...

Características e especificações

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Details

  • 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 absolute / 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

    1.2 m (3.9 ft)

  • Communication

    Transmitter:
    4 ... 20 mA HART
    Profibus DP

  • Certificates / Approvals

    ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, EAC 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%
    resolution:
    distance measurement: 1m

  • Measuring range

    max measuring distance up to 3 m / 9.8 ft

  • Max. process pressure

    atm.

  • Medium temperature range

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

  • Degree of protection

    IP68

  • Display/Operation

    Transmitter

  • Outputs

    Transmitter:
    4 ... 20 mA HART
    PROFIBUS DP

  • Inputs

    Transmitter

  • Digital communication

    HART, PROFIBUS DP

  • Hazardous area approvals

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

  • 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 absolute / 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)

  • Tamanho do tanque / aplicação

    Tamanho do tanque / aplicação

  • Max. measurement distance

    Max. measurement distance

  • Communication

    Transmitter:
    4 ... 20 mA HART
    Profibus DP

  • Certificates / Approvals

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

  • Options

    Second 4...20mA output

  • Components

    Transmitter:
    FMU90, FMU95

  • Application limits

    Foam / high turbulence possible:

    FDU91

    For tank farms scanner:

    FMU95

Documentos / Manuais / Software

Acessórios / peças sobressalentes

Nr
Order code
Specification
    • Order code

      Unit is not repairable.

    • Order code 71395801

      Locking nuts G1, plastic PA

      Mounting aid. Material: plastic PA. Wrench size: 41mm. Usage: FDU90/FDU91/FDU92, FMR10/FMR20, FTC968 AC, FTI26.

    • Order code 71027742

      Extension cable FDU91/FDU92, PVC

      LiYCY/CUL 2x(0.75). Length max 500m. Price per meter. Usage: connection to FMU90/FMU95.

    • Order code 71027746

      Extension cable FDU91, PVC + heater

      LIYY/CUL 2x(0.75)D+2x0.75. Length max 500m. Price per meter. Usage: connection to FMU90/FMU95.

    • Order code 71091216

      Flooding protection tube FDU90

      Thread ISO228 G1-1/2. Usage: FDU90.

    • Order code 71452323

      Wall bracket for sensor support, 316L

      Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20, FMU30, FMU40/FMU41.

    • Order code 71452326

      Bracket 1400mm, 316L

      Pipe diameter: 1". Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20, FMU30, FMU40/FMU41.

    • Order code 71452327

      Bracket 700mm, 316L

      Pipe diameter: 1". Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20, FMU30, FMU40/FMU41.

    • Order code FAU40-

      Alignment device TTP FAU40

      Aiming ultrasonic sensors for optimum echo signal in separate version. Usage: FDU-sensors. Also for use in ATEX II 1/2D.

    • Order code FAX50-

      Screw in flange FAX50

    • Order code 71452315

      Sensor support 500mm, 316L

      Mounting Prosonic S, Mircopilot. Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20.

    • Order code 71452316

      Sensor support 1000mm, 316L, US-sensor

      Mounting Prosonic S, Mircopilot. Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20.

    • Order code 71093130

      Mounting bracket Prosonic S, Micropilot

      Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20, FMU90/FMU95.

    • Order code 71325079

      Mounting bracket adjustable, 316L

      Usage: FDU90, FMR10, FMR20.

    • Order code 52025686

      Weather protect. cover FDU90/91,FMR10/20

      Material: PVDF. Usage: FDU90/FDU91, FMR10, FMR20.