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Medição de radar
Micropilot NMR81

Micropilot NMR81 ©Endress+Hauser
Micropilot NMR81 ©Endress+Hauser
  • Micropilot NMR81
  • Micropilot NMR81

Antena com lente de gotejamento com frequência de transmissão de 80 GHz para aplicações de transferência de custódia

Micropilot NMR81 é usado para aplicações de transferência de custódia e controle de estoque com certificações NMi e PTB e atende aos requisitos segundo as normas OIML R85 e API 3.1B. NMR81 é especialmente adequado para aplicações de espaço livre de até 70m. A antena de lente de gotejamento com frequência de transmissão de 80 GHz produz um ângulo de feixe fortemente focado de 3° e evita obstáculos mesmo perto da parede do tanque.

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  • Benefícios

    • Hardware e software desenvolvidos de acordo com IEC 61508 até SIL3 (em redundância homogênea) para alto nível de segurança

    • Máxima confiabilidade com precisão até ±0,5mm (±0,02")

    • Desenvolvido de acordo com as recomendações internacionais de metrologia,...

  • Campo de aplicação

    Antena de lente de gotejamento de 80 GHz adequada para aplicações de espaço livre até 70m oferece feixe de alta focalização para aplicações com bocal situado perto da parede do tanque.

    • Conexões de processo: flanges

    • Temperatura: -40 a +200°C (-40 a +392°F)

    • ...

Características e especificações

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Details

  • Measuring principle

    Level radar

  • Characteristic / Application

    Lens antenna, 80GHz: High precision measurement for for storage tanks up to 30 m (98ft)

  • Specialities

    Custody transfer level measurement

    Measurement close to tank wall

  • Supply / Communication

    85-264VAC

  • Accuracy

    up to 0.5 mm

  • Ambient temperature

    Standard:

    -40°C…60°C

    (-40°F...140°F)

    For calibration to regulatory
    standards:

    -25°C…55°C

    (-13°F...131°F)

  • Process temperature

    -40°C...200°C

    (-40°F...392°F)

  • Process pressure absolute / max. overpressure limit

    Vacuum.....16 bar abs

  • Main wetted parts

    316L, PTFE

  • Process connection

    Flange:

    DN50/2"…DN300/12"

    Flange w/ Alignment tool:

    DN100/4"…DN300/12"


    UNI-Flange:

    DN150/6"…DN300/12"

    UNI-Flange w/ Alignment tool:

    DN150/6"…DN300/12"

  • Max. measurement distance

    70 m (230 ft)

    For calibration to regulatory standards:

    30 m (98 ft)

  • Communication

    Outputs:

    Fieldbus: Modbus RS485, V1, HART

    Analog 4-20mA output (Exi/ Exd)

    Relay output (Exd)


    Inputs:

    Analog 4-20mA input (Exi/ Exd)

    2-, 3-, 4-wire RTD input

    Discrete input (Exd, passive/active)

  • Certificates / Approvals

    ATEX, FM, IEC Ex, EAC

  • Design approvals

    EN 10204-3.1

    NACE MR0175, MR0103

    AD2000

  • Metrological approvals and certificates

    OIML, NMi, PTB

  • Options

    Redundant fieldbus

    Alu-coated or 316L housing

    Weather protection cover

    Adjustable mounting seals

  • Application limits

    Maximum measuring range is

    dependent on the tank form and/
    or application

    Strong condensate or build-up
    formation

Documentos / Manuais / Software

Acessórios / peças sobressalentes

Nr
Order code
Specification
  • 21
    • Nr 21 Order code 71312582

      O-ring, housing, 177.39x3.53, TG

      Material: FVMQ, PTFE coated. Usage: housing F35/36/37/38, NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 19
    • Nr 19 Order code 71312589

      Housing filter, PTFE, NMR8x, 2 pcs.,TG

      Consists of: 1x pressure compensation plug M18, 316L. 1x filter plug metal M12, 316L. 1x pressure compensation filter. Usage: housing F36/38, NMR81/NMR84.

  • 14
    • Nr 14 Order code 71312592

      Blind plug, M20, 316L, O-ring EPDM, TG

      Consists of: blind plug, O-ring 18.0x2.0. Usage: housing F35/36/37/38, NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 15
    • Nr 15 Order code 71312594

      O-ring, blind plug, M20, EPDM, 5pcs., TG

      Usage: housing F35/36/37/38, NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 20
    • Nr 20 Order code 71312596

      Front cover Alu, sight glas, gasket

      Material: aluminum. Consists of: cover, O-ring FVMQ, PTFE coated. Usage: housing F35/36, NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

    • Nr 20 Order code 71312607

      Front cover 316L, sight glas, gasket

      Material: 316L. Consists of: O-ring EPDM, clotted. Usage: housing F37/38. NMR81/NMR84, NRF81, NMS81/NMS83.

  • 17
  • 37
    • Nr 37 Order code 71324756

      Terminal set, I/O module, Push-in, TG

      Consists of: complete terminal set. Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

    • Nr 37 Order code 71324757

      Terminal set, I/O module, screw type, TG

      Consists of: complete terminal set. Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 40
    • Nr 40 Order code 71312638

      Display set, RS485, holder, TG

      Consists of: operation-module, A300, optical buttons, display holder, fixing ring, cover. Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 41
    • Nr 41 Order code 71312640

      Display holder, fixing ring, TG

      Consists of: fixing ring, holder. Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 31
  • 36
  • .
    • Nr . Order code 71067434

      Modification name plate, non Ex

      Blank. To fill in the new order code when a non Ex instrument has been modified. Usage: FMB50/FMB51/FMB52, FMR230/FMR231, FMR240/FMR244/FMR245, FMR250,FMR530/FMR532,FTL50/FTL50H/FTL51/ FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/ FTL85, NMR81, PMC51, PMC71, PMP51/PMP55.

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