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Micropilot FMR51 - Radar

Radar measurement
Time-of-Flight
Micropilot FMR51

The standard sensor for highest demands in liquid level measurement

FMR51
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  • Measuring principle

    Level radar

  • Characteristic / Application

    Premium device for continuous non-contact level measurement of liquids, pastes and slurries even under extreme process conditions;
    Horn antenna: 40...100 mm

  • Specialities

    Heartbeat Technology,
    SIL 2 according to IEC 61508,
    Bluetooth® commissioning,
    Operation and maintenance SmartBlue App,
    Safety and reliability with Multi-Echo Tracking,
    HistoROM,
    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)

  • Accuracy

    +/- 2 mm (0.08 in)

  • Ambient temperature

    -50...+80 °C
    (-58...+176 °F)

  • Process temperature

    XT: -196...+280 °C
    (-321...+536 °F)
    HT: -196...+450 °C
    (-321...+842 °F)

  • Process pressure absolute / max. overpressure limit

    Vacuum...160 bar
    (Vacuum...2320 psi)

  • Main wetted parts

    316L, Alloy C, PTFE, ceramic

  • Process connection

    Thread:
    MNPT 1 1/2, R 1 1/2
    Flange:
    DN50...DN150,
    ASME 2"...6",
    JIS 10K, 63K

  • Process connection hygienic

    Tri-Clamp ISO2852

  • Max. measurement distance

    Standard: 40 m (131 ft)
    With "Advanced dynamics": 70 m (230 ft)

  • Communication

    4...20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus
    Bluetooth® wireless technology

  • Certificates / Approvals

    ATEX, FM, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, KC, EAC, UK Ex

  • Safety approvals

    Overfill protection WHG
    SIL

  • Design approvals

    EN 10204-3.1
    NACE MR0175, MR0103
    ASME B31.3
    AD2000

  • Marine approval

    GL/ ABS/ LR/ BV/ DNV

  • Options

    Display,
    Customized parameterization,
    Remote operation via SmartBlue App using Bluetooth®,
    Gas-tight feed through,
    Antenna Extension,
    PWIS free

  • Application limits

    Maximum measuring range is dependent on the tank form and/or application
    Ammoniacal gas phase:
    FMR54 in stilling well
    Strong build- up formation:
    FMR54 with air purge
    316L or Alloy C non-resistant:
    FMR50, FMR52, FMR53
    Hygiene requirements:
    FMR52, FMR53
    Custody transfer measurement:
    FMR5xx

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