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Radar measurement - Micropilot FMR250

Micropilot M FMR250

FMR250
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Measuring / Application task

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  • Measuring principle

    Level radar solid

  • Characteristic / Application

    Non-contact level measurement especially in powdery to granular bulk solids. Level measurement in tall silos with extremely dusty bulk solids e.g. cement, raw meal or animal feed. Applications with highly abrasive bulk solids e.g. ferrite / clinker

  • Specialities

    Air purge connection

  • Supply / Communication

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

  • Frequency

    K-Band (~ 26 GHz )

  • Antenna

    Parabolic DN200/8", DN250/10"
    Horn DN80/3", DN100/4"

  • Accuracy

    +/- 15mm (or 0.04% of range, whatever is larger)

  • Ambient temperature

    -40 °C...+80 °C
    (-40 °F...+176 °F)

  • Process temperature

    -40 °C...+200 °C
    (-40 °F...+392 °F)

  • Process pressure / max. overpressure limit

    Vacuum...16bar
    (Vaccum...232psi)

  • Main wetted parts

    PEEK, 1.4435, 1.4404, 316L

  • Process connection

    Thread:
    R1 1/2", NPT1 1/2
    Flange:
    DN80, DN 100
    ASME 3", 4"
    JIS 80A, 100A
    UNI DN100/4"...DN250/10"

  • Blocking distance

    Antenna length + 400mm (15.75")

  • Max. measurement distance

    70 m (230 ft)

  • Communication

    4...20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, NEPSI
    SIL

  • Options

    Separate display
    Antenna extension 250 mm/ 10" or 450 mm/18"
    Top Target Positioner (+/-15°)

  • 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

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