Ultrasonic measurement
Time-of-Flight
Prosonic FDU91

Prosonic FDU91 ©Endress+Hauser
Prosonic FDU91 ©Endress+Hauser

Time-of-Flight measuring principle

  • Prosonic FDU91
  • Prosonic FDU91

Ultrasonic sensor for level and flow measurement for connection to FMU9x (measuring range
up to 10m)

The FDU91 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 10m (33ft), solids 5m (16ft).

  • 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 of bulk materials in silos, on belts, stockpiles and in crushers. Also for flow measurement in open channels and at weirs. Typically used in measurements in low structural heights.

    • ...

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 (fully welded IP68 / NEMA 6P)

  • Process connection

    G / NPT 1"

  • Blocking distance

    0.3 m (1 ft)

  • Max. measurement distance

    5 m (16ft)

  • Communication

    Transmitter:
    4 ... 20 mA HART
    Profibus DP

  • Certificates / Approvals

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

  • Options

    Second 4...20mA output

  • Components

    Transmitter:
    FMU90

  • 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 (fully welded IP68 / NEMA6P)

  • Process connection

    G / NPT 1"

  • Blocking distance

    0.3 m (1 ft)

  • Tamanho do tanque / aplicação

  • Max. measurement distance

    10 m (33 ft)

  • Communication

    Transmitter:
    4 ... 20 mA HART
    Profibus DP

  • Certificates / Approvals

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

  • 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

  • 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: 1mm

  • Measuring range

    max measuring distance up to 10m / 32ft

  • Max. process pressure

    atm.

  • Medium temperature range

    -40...80°C
    (-40...176°F)

  • Degree of protection

    IP68

  • Display/Operation

    Transmitter

  • Outputs

    Transmitter:
    4...20mA HART
    Option: second 4...20mA output

  • Inputs

    Transmitter

  • Digital communication

    HART, PROFIBUS DP

  • Hazardous area approvals

    ATEX, IECEx, FM, CSA

Documentos / Manuais / Software

  • Prosonic S FDU90/91/91F/92/93/95 Technical Information/Operating Instructions

    Ultrasonic sensors for non-contact continuous level and flow measurement

    Technical Information (TI)
  • Alignment Unit FAU40 Technical Information

    Mounting accessory for ultrasonic sensors with separate drive electronics

    Technical Information (TI)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92, FDU93, FDU95

    Ex ma IIC T5 Gb Ex ma IIC T6 Gb Ex tD A20/21 IP65 T GYJ16.1246 (NEPSI)

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92

    Ex ma IIC T5 Gb (FDU90) Ex ma IIC T6 Gb (FDU91, FDU91F, FDU92) TÜV 13.0893 X (INMETRO)

    Ex Safety Instructions (XA)
  • Prosonic S FDU90, FDU91, FDU91F, FDU92

    IECEx BVS 08.0012 Ex ma IIC T5 Gb (FDU90) Ex ma IIC T6 Gb (FDU91/91F/92)

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92, FDU93, FDU95

    Ex ma IIC T5 Gb (FDU90) Ex ma IIC T6 Gb (FDU91/91F/92/93/95) Ex ta/tb IIIC T Da/Db IP65 Ex tb IIIC T Db IP65 TÜV 13.0893 X (INMETRO)

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92

    Ex ma IIC T5 Gb Ex ma IIC T6 Gb GYJ16.1246 (NEPSI)

    Ex Safety Instructions (XA)
  • Prosonic S FDU90, FDU91, FDU91F, FDU92, FDU93, FDU95, FDU96

    IECEx BVS 08.0012 Ex ma IIC Tx Gb Ex ta/tb IIIC Txx°C Da/Db IP68 Ex tb IIIC Txx°C Db IP68

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92

    II 2 G Ex ma IIC T5 Gb (FDU90) II 2 G Ex ma IIC T6 Gb (FDU91, FDU91F, FDU92) BVS 05 ATEX E 009

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92, FDU93, FDU95

    II 2 G Ex ma IIC T5 Gb (FDU90) II 2 G Ex ma IIC T6 Gb (FDU91/91F/92/93/95) II 1/2 D Ex ta/tb IIIC Txx°C Da/Db IP68 II 2 D Ex tb IIIC Txx°C Db IP68 BVS 05 ATEX E 009

    Ex Safety Instructions (XA)
  • Safety Instructions Prosonic S FDU90, FDU91, FDU91F, FDU92, FDU93, FDU95

    II 3 G Ex nA IIC T5 Gc (FDU90) II 3 G Ex nA IIC T6 Gc (FDU91-93/95, FDU91F) II 3 D Ex tc IIIC Txx°C Dc EG 05 024

    Ex Safety Instructions (XA)
  • Ultrasonic Sensors

    Instructions for shortening the sensor cable

    Special Documentation (SD)
  • perspektiven Umwelt 2014

    Kundenmagazin: Wasser ist unser Leben

    Customer Magazine (CM)
    01/14
    Alemão
  • Mesure de niveau

    Aperçu des produits pour des applications dans des liquides et des solides en vrac

    Fields of Activities (FA)
    03/17
    fr
  • Catálogo Medición y Detección de nivel

    Gama de productos para aplicaciones con líquidos y sólidos

    Fields of Activities (FA)
    03/17
    Espanhol
  • Füllstandmesstechnik

    Produktübersicht für Anwendungen in Flüssigkeiten und Schüttgütern

    Fields of Activities (FA)
    03/17
    Alemão
  • Level measurement

    Product overview for applications in liquids and bulk solids

    Fields of Activities (FA)
    03/17
    Inglês
  • Level measurement

    Product overview for applications in liquids and bulk solids

    Fields of Activities (FA)
    03/17
    Inglês
  • Level measurement in polymer station with ultrasonic level sensor

    For the different treatment processes, wastewater plants produce huge amounts of sewage sludge annually. Since this must be disposed of through landfill or incineration, it is essential to try to render residual sludge as dry as possible.

    Case Studies (CS)
    06/11
    Inglês
  • Prosonic S Transmitter via HART to the PlantPAx Process Automation System

    System using a ControlLogix 1756 HART Analog Input Module Integration Document

    System Partner (SP)
    01/09
    Inglês
  • Prosonic S, FDU 9x (FDU90, FDU91 FDU92 FDU93 FDU95 FDU96)

    Ultraschall-Füllstandmessstelle mit Sensor und abgesetztem Messumformer. Füllstand-Messwertaufnehmer zur kontinuierlichen Füllstandmessung in offenen Behältern.

    Tender Text
    11/16
    Alemão
  • Prosonic FDU91

    Ultrasonic sensor for non-contact level measurement

    Tender Text
    09/06
    us
  • Klimaschutzhaube für FDU91

    Klimaschutzhaube für Ultraschallsensor FDU91

    Tender Text
    06/16
    Alemão
  • Verlängerungskabel für FDU91 / FDU92

    Verlängerungskabel für Sensoren FDU91/FDU92

    Tender Text
    06/16
    Alemão
  • Prosonic S FDU91

    Ultraschallsensor zur berührungslosen Füllstandmessung

    Tender Text
    02/09
    Alemão
  • Radar or ultrasonic measurement

    Animation DE 960x540 mp4

    Animation
    07/16
    Alemão
  • Radar or ultrasonic measurement

    Animation FR 1280x720 mp4

    Animation
    07/16
    fr
  • Radar or ultrasonic measurement

    Animation mp4 EN

    Animation
    06/15
    Inglês
  • Radar or ultrasonic measurement

    Animation flv EN

    Animation
    06/15
    Inglês
  • Prosonic S

    Código do Produto: FDU91- Número declaração: HE_00615_01.17 especificação do fabricante: RoHS

    Manufacturer Declaration
    Chinês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Número declaração: EG 05 024

    EU Declaration
    Alemão , Inglês , fr
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-

    EU Declaration
    Alemão , Inglês , fr
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95- Número declaração: EC_00196_03.16

    EU Declaration
    Alemão , Inglês , fr
  • Soliphant T, Soliphant M, Solicap S, Solicap M, Prosonic S, Prosonic M, Nivector, Minicap, Micropilot, Levelflex

    Código do Produto: FTM52-, FTM51-, FTM50-, FTM21-, FTM20-, FTI77-, FTI56-, FTI55-, FTC968Z-, FTC968-, FTC262-, FTC260-, FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMR67-, FMR57-, FMR56-, FMP57-, FMP56-, FDU95-, FDU93-, FDU92-, FDU91F-, FDU91-, FDU90- Região: Russia (Declaration of Conformity) Número da Certificação: RU D-DE.MO10.B.05554

    Miscellaneous
    Russo
  • Prosonic M, Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU92-, FDU93-, FDU95-, FMU40-, FMU41-, FMU42-, FMU43-, FMU44-, FMU90-, FMU95- Região: Russia (TR CU) Agente Certificador: EAC Número da Certificação: TC № RU D-DE.AL32.B.07214

    Miscellaneous
    Russo
  • Prosonic M, Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FMU40-, FMU41-, FMU42-, FMU43-, FMU44-, FMU90-, FMU95- Região: Russia (TR CU) Agente Certificador: EAC Número da Certificação: TС RU D-DE.MU62.B.02534

    Miscellaneous
    Russo
  • Prosonic M, Prosonic S, Prosonic T

    Código do Produto: FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMU30-, FDU96-, FDU95-, FDU93-, FDU92-, FDU91-, FDU90- Região: Russia (TR CU) Agente Certificador: EAC Número da Certificação: TC BY_112 11.01. TP020 003 127

    Miscellaneous
    Russo
  • Soliphant T, Soliphant M, Solicap S, Solicap M, Prosonic S, Prosonic M, Nivector, Minicap, Micropilot, Levelflex

    Código do Produto: FTM52-, FTM51-, FTM50-, FTM21-, FTM20-, FTI77-, FTI56-, FTI55-, FTC968Z-, FTC968-, FTC262-, FTC260-, FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMR67-, FMR57-, FMR56-, FMP57-, FMP56-, FDU95-, FDU93-, FDU92-, FDU91F-, FDU91-, FDU90- Região: Russia (Declaration of Conformity) Número da Certificação: RU D-DE.MO10.B.05551

    Miscellaneous
    Russo
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Região: International (IECEx) Agente Certificador: IECEx Proteção: Ex tb IIIC Txxx°C Db, Ex ta/tb IIIC Txxx°C Da/Db, Ex ma IIC T5 Gb, Ex ma IIC T6 Gb

    Explosion Protection
    Inglês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Agente Certificador: FM Categoria: I/1,2/A,B,C,D/T5, I/1,2/A,B,C,D/T6, II,III/1,2/E,F,G/T4A

    Explosion Protection
    Inglês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Região: Canada, USA Agente Certificador: CSA Categoria: I,II,III 1 ABCDEFG Proteção: 6P, Exm

    Explosion Protection
    Inglês
  • Prosonic S

    Código do Produto: FDU96-, FDU95-, FDU93-, FDU92-, FDU91F-, FDU91-, FDU90- Região: Europe (ATEX) Agente Certificador: EXAM (DMT, BVS) Categoria: II 2 G, II 1/2 D, II 2 D Proteção: Ex ta/tb IIIC Txx°C Da/Db IP65, Ex tb IIIC Txx°C Db IP65, Ex ma IIC T6/T5 Gb

    Explosion Protection
    Alemão , Inglês
  • Prosonic S

    Código do Produto: FDU91- Região: Japan Agente Certificador: TIIS Categoria: zone 1 Proteção: Ex m IIC T6

    Explosion Protection
    Inglês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Região: Europe (ATEX) Agente Certificador: EXAM (DMT, BVS) Categoria: II 2 D, II 2 G, II 1/2 D Proteção: Ex tb IIIC Txxx°C Db, Ex ta/tb IIIC Txxx°C Da/Db, Ex ma IIC T5 Gb, Ex ma IIC T6 Gb

    Explosion Protection
    Alemão , Inglês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Região: Canada, USA Agente Certificador: CSA Categoria: I/2/A,B,C,D/T5, I/2/A,B,C,D/T3C, I,II,III/1,2/A,B,C,D,E,F,G/T5, I,II,III/1,2/A,B,C,D,E,F,G/T6, II,III/1/E,F,G/T5, II,III/1/E,F,G/T3C

    Explosion Protection
    Inglês
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95- Região: Brazil Agente Certificador: TÜV Proteção: Ex m, Ex tb

    Explosion Protection
    Português
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95- Região: China Agente Certificador: NEPSI Categoria: zone 0, zone 20,21 Proteção: Ex tD A20/A21 IP6X IIIC Txxx°C Da/Db, Ex ma II T5, Ex ma II T6

    Explosion Protection
    Chinês
  • Prosonic M, Prosonic S, Prosonic T

    Código do Produto: FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMU30-, FDU95-, FDU93-, FDU92-, FDU91F-, FDU91-, FDU90- Região: Russia (TR CU) Agente Certificador: EAC Proteção: Ex d [ia], Ex ia, Ex m, Ex nA, Ex t, Ex ta/tc, Ex ta/tb

    Explosion Protection
    Russo
  • Prosonic S

    Código do Produto: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FDU96- Agente Certificador: FM Categoria: I,II,III 1,2 ABCDEFG Proteção: DIP, S

    Explosion Protection
    Inglês
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    Código do Produto: FTL51-, FMP54-, FMP52-, FMR52-, FMR54-, FMP57-, FMP55-, FMP51-, FMR51-, FMR57-, FMP53-, FMR56-, FMP56-, FMR53-, FMR50-, FMP50-, FMU41-, FMU42-, FTL51H-, FTL50H-, FMU43-, FMU44-, FTL51C-, FTL70-, FMU40-, FMI52-, FTL50-, FTL71-, FTM51-, FTI52-, FMR532-, FTL81-, FMI51-, FMR533-, FTI51-, FTL85-, FTM52-, FTL33-, FTL31-, FTI77-, FTI56-, FTI55-, FTC968Z-, FTC262-, FTC260-, FTL80-, FTM20-, FTM21-, FTM50-, FTW23-, FTW31-, FTW32-, FTW33-, FTW360-, NMR84-, NMR81-, 11263-, 11362Z-, 11363Z-, 11375Z-, 11961Z-, FDU90-, FDU91-, FDU91F-, FDU92-, FDU95-, FDU96-, FDU93-, FMI21-, FMU30-, FMR540-, FMR530-, FMR10-, FMR20- Agente Certificador: TÜV

    Pressure Equipment
    Alemão , Inglês
  • Prosonic M, Prosonic S, Prosonic T

    Código do Produto: FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMU30-, FDU96-, FDU95-, FDU93-, FDU92-, FDU91F-, FDU91-, FDU90- Região: Kazakhstan Agente Certificador: KazInMetr Número da Certificação: 12134

    Metrology
    Russo
  • Prosonic M, Prosonic S, Prosonic T

    Código do Produto: FMU95-, FMU90-, FMU44-, FMU43-, FMU42-, FMU41-, FMU40-, FMU30-, FDU96-, FDU95-, FDU93-, FDU92-, FDU91-, FDU90- Região: Belarus Agente Certificador: BEL Número da Certificação: 9773

    Metrology
    Russo

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