Tank gauging
Tank Side Monitor NRF81

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

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.


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Yksilöllinen konfiguraattori

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  • Edut

    • 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...

  • Käyttöalue

    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...

Ominaisuudet ja tiedot


Yksityiskohtaiset tiedot

  • Mittausperiaate

    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


  • Ambient temperature




    For calibration to regulatory



  • Communication


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

    Relay (Exd)


    Analog 4-20mA (Exi/Exd)

    2-, 3-, 4-wire RTD

    Discrete input (Exd, passive/active)

  • Certificates / Approvals

    ATEX, FM, IEC Ex

  • Safety approvals


  • Metrological approvals and certificates

    OIML, NMi, PTB

  • Options

    Redundant fieldbus

    Alu-coated or 316L housing

    Weather protection cover

    mounting kit pipe

Asiakirjat / käsikirjat / ohjelmisto

Tarvikkeet / varaosat