E+H Micropilot FMR56 Radar Level Transmitter

Micropilot FMR56 is particularly designed for light-duty process conditions as they occur in silos or bins for solids. Micropilot free space radar is used for continuous, 
non-contact level measurement in powdery to granular bulk solids. Dust, filling noises, temperature layers and gas layers do not affect the measurement.

  • Reliable measurement even for changing product and process conditions
  • HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
  • Highest reliability even in the presence of obstructions in the vessel due to new Multi-Echo Tracking evaluation
  • Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy)
  • Heartbeat Technology for a cost-effective and safe plant operation during the entire life cycle
  • Seamless integration into control or asset management systems and intuitive, menu-guided operation concept (on-site or via the control system)
  • World’s easiest proof test concept for SIL and WHG saves time and cost

PP-plated horn antenna can be easily aligned to the surface of the solids by the mounting bracket or a turnable seal.

  • Process connections: Mounting bracket or slip-on flange
  • Temperature: -40 to +80°C (-40 to +176°F)
  • Pressure: -1 to +3bar (-14.5 to +43.5psi)
  • Maximum measuring range: 30m (98ft)
  • K-band: 26GHz
  • International explosion protection certificates, SIL, 5-point linearity protocol
  • Measuring principle

    Level radar solid

  • Characteristic / Application

    For simple applications:
    Reliable non-contact level measurements in silos or storage tanks for bulk solids

  • Specialities

    Heartbeat Technology,

    Bluetooth® commissioning,

    Operation and maintenance SmartBlue App,

    Safety and reliability with Multi- Echo Tracking,


    RFID TAG for easy identification,

  • Supply / Communication

    2-wire (HART/ PROFIBUS PA/ FOUNDATION Fieldbus)

    4-wire (HART)

    Bluetooth® wireless technology and App (optional)

  • Frequency

    K-band (~26 GHz)

  • Antenna

    Horn DN80/3″, PP plated

    Horn DN100/4″, PP plated

  • Accuracy

    +/- 3 mm (0.12 in)

  • 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

    Vacuum…3 bar

    (Vacuum…43.5 psi)

  • Main wetted parts

    PP, UP

  • Process connection


    UNI DN80…DN150

    Mounting bracket

  • Max. measurement distance

    30 m (98 ft)

  • Communication

    4…20 mA HART 


    FOUNDATION Fieldbus

    Bluetooth® wireless technology

  • Certificates / Approvals


  • Safety approvals


  • Options


    Customized parameterization

    Remote operation via SmartBlue App using Bluetooth®

  • Application limits

    DK < 1.6

    Reduction of the max. possible measuring range through:

    Media with poor reflection properties

    Angle of repose

    Extremely loose surfaces of bulk solids, e.g. bulk solids with low bulk weight for pneumatic filling

    Build-up, above all of moist products

Datasheet: Micropilot FMR56, FMR57 Technical Information

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