Tank gauging
Tank Side Monitor NRF81

Tank Side Monitor NRF81 ©Endress+Hauser
Tank Side Monitor NRF81 ©Endress+Hauser
  • Tank Side Monitor NRF81
  • Tank Side Monitor NRF81

Field gateway for tank sensor operation, monitoring and integration into inventory control system

The Tank Side Monitor NRF81 is a sensor integration and monitoring unit for bulk storage tank gauging applications. It integrates various level, temperature and pressure tank sensor data into a control host system. Various selectable alarms and outputs.

  • Benefits

    • Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety

    • Intrinsically safe power supply and communication for Micropilot and Levelflex radar level devices

    • Simplified installation and...

  • Field of application

    For power supply and signal transmission of the connected devices. Parameterization of the connected devices and display of the measured values. Tank calculations for accurate correction of the tank distortions. Weights & Measure-approved for use in...

Features and specifications

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Details

  • Measuring principle

    Level radar

  • Characteristic / Application

    Field gateway for tank sensor operation and monitoring and integration into inventory control system

  • Specialities

    Hydrostatic Tank Gauging (HTG)

  • Supply / Communication

    85-264VAC

  • Ambient temperature

    Standard:

    -40°C…60°C

    (-40°F...140°F)


    For calibration to regulatory
    standards:

    -25°C…55°C

    (-13°F...131°F)

  • Communication

    Outputs:

    Fieldbus: Modbus RS485, V1, HART
    Analog 4-20mA (Exi/Exd)

    Relay (Exd)


    Inputs:

    Analog 4-20mA (Exi/Exd)

    2-, 3-, 4-wire RTD

    Discrete input (Exd, passive/active)

  • Certificates / Approvals

    ATEX, FM, IEC Ex

  • Safety approvals

    SIL

  • Metrological approvals and certificates

    OIML, NMi, PTB

  • Options

    Redundant fieldbus

    Alu-coated or 316L housing

    Weather protection cover

    mounting kit pipe

Documents / Manuals / Software

Accessories / Spare parts

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 71343171

      Housing filter, PTFE, NMS8x, NRF81, TG

      Consists of: 1x compensation plug M18, 316L. Usage: housing F35/37, NRF81, NMS80/NMS81/NMS83.

  • 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
    • Nr 17 Order code 71312627

      Cover clamp, 2 pcs., TG

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

  • 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
    • Nr 31 Order code XPN0036-

      Electronics, mainboard

      Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 36
    • Nr 36 Order code XPN0031-

      I/O Module NMR81/84, NRF81, NMS80/81/83

      Usage: NRF81, NMR81/NMR84, NMS80/NMS81/NMS83.

  • 0
    • Nr 0 Order code 71274370

      Mounting kit, pipe, DN32-50 (1-1/4"-2")

      For mounting the Tankside Monitor to a vertical or horizontal pipe (1-1/4" / DN32 to 2" / DN50). Usage: NRF81.

    • Nr 0 Order code 71272096

      Mounting kit, pipe, DN80 (3")

      For mounting the Tankside Monitor to a vertical or horizontal pipe (3"/DN80). Usage: NRF81.

    • Nr 0 Order code 71292751

      Weather protection cover NMR8x, NRF8x

      Material: 316L. Usage: NMR81/NMR84, NRF80/NRF81.

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