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Radar measurement
Micropilot FMR20

Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser

Commissioning of Micropilot FMR20

Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser
Micropilot FMR20 ©Endress+Hauser

Level measurement in liquids for water & wastewater and utilities in all industries

Micropilot FMR20 offers continuous non-contact level and flow (via linearization table) measurement and is a perfect application fit for the water & wastewater industry and utilities across all industries. Commissioning is possible via HART or wireless via app using Bluetooth® or with remote display. Signal curves can be shown via app on every Bluetooth®-enabled smartphone/tablet (iOS, Android). With the compact design, thanks to unique chip, the device is ideal for limited space applications.

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  • Benefits

    • Non-contact radar with commissioning via HART or wireless via Bluetooth® app or with remote display

    • Most compact radar due to unique radar chip design offering perfect fit in limited space applications

    • Best price-performance-ratio radar

    • Perfect...

  • Field of application

    Radar for continuous level measurement and flow measurement (with open channels or weirs, via linearization table) in liquids. For use in storage tanks, open basins, pump/lift stations or sewer management.

    • Process connections: Threads, flange versions

    • ...

Features and specifications



  • Measuring principle

    Level radar

  • Characteristic / Application

    - Water & Wastewater (e.g. basins / channels / rivers / dams / lift stations / storm water basins / pump control)

    - Utility applications in all industries

    - Storage tanks

  • Specialities

    Bluetooth® commissioning,

    Operation and maintenance SmartBlue App

  • Supply / Communication

    2-wire (HART, 4…20 mA, Modbus),

    Bluetooth® wireless technology and App (optional)

  • Frequency

    K-band (~26 GHz)

  • Accuracy

    +/- 2 mm (0,08")

  • Process temperature

    -40…+80°C (-40…+176°F)

  • Process pressure absolute / max. overpressure limit

    -1…3 bar (-14,5…43 psi)

  • Main wetted parts


  • Process connection


    G1", NPT1"; G1 1/2", NPT1 1/2", G2", NPT2",


    UNI DN80….DN150 (3"…6")

  • Max. measurement distance

    DN40: 15 m (49.2 ft),

    DN80: 20 m (65.6 ft)

  • Communication

    4...20mA HART


    Bluetooth® wireless technology

  • Certificates / Approvals


  • Options

    Remote operation via SmartBlue App using Bluetooth®,

    Remote HART indicator RIA15 in order structure,

    Flooding protection tube,

    Different mounting possibilities

  • Application limits


    Ammoniacal gas phase:

    FMR54 in stilling well;

    Strong build-up formation:

    FMR54 with air purge;
    Only PTFE resistant:


    Custody transfer measurement:

    FMR5xx or NMR8x

Documents / Manuals / Software

Accessories / Spare parts

Order code
    • Order code

      Unit is not repairable.

    • Order code 52000598

      Hexagon nut (SW70) G2, bk, PC

      Usage: sensor 2", FMR10, FMR20, FMU30, FMU40/FMU41.

    • Order code 71162777

      UNI slip on flange 3"/DN80/80, PP

      Max 4bar abs/58psia, suitable for: NPS 3" Cl.150 / DN80 PN16 / 10K 80. Usage: FMR20, FMR50/FMR56, 80mm/3" horn, 3" 150lbs/DN80 PN16/10K 80.

    • Order code 71162778

      UNI slip on flange 4"/DN100/100, PP

      Max 4bar abs/58psia, suitable for: NPS 4" Cl.150 / DN100 PN16 / 10K 100. Usage: FMR20, FMR50/56, 80mm/3" horn, 4" 150lbs/DN100 PN16/10K 100.

    • Order code 71162780

      UNI slip on flange 6"/DN150/150, PP

      Max 4bar abs/58psia, suitable for: NPS 6" Cl.150 / DN150 PN16 / 10K 150. Usage: FMR50/56, 80mm/3" horn. 6" 150lbs/DN150 PN16/10K 150. Usage: FMR20.

    • Order code 71325087

      HART communication resistor Ex / non Ex

      Usage: FMG50, FMR20, FMX21 with RIA15.

    • Order code 52014146

      Mounting nut G1-1/2

      Hexagon, SW60. Usage: Liquipoint T, Liquicap T, Prosonic M FMU40, Prosonic T FMU30, FMR10, FMR20.

    • Order code 71325090

      Flood.protect.tube DN40/G1 1/2" FMR10/20

      Material: metallized PBT-PC. Suitable for 40mm/1-1/2" antenna with G1-1/2 front side connection. Usage: FMR10, FMR20.

    • Order code 71327051

      Flooding protection tube DN80/3"FMR20

      Material: metallized PBT-PC. Suitable for 80mm/3" antenna. Usage: FMR20.

    • Order code 71093130

      Mounting bracket Prosonic S, Micropilot

      Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20, FMU90/FMU95.

    • Order code 71325079

      Mounting bracket adjustable, 316L

      Usage: FDU90, FMR10, FMR20.

    • Order code 52025686

      Weather protect. cover FDU90/91,FMR10/20

      Material: PVDF. Usage: FDU90/FDU91, FMR10, FMR20.

    • Order code 71429905

      Reflector plate horizontal mounting

      Horizontal mounting bracket for installation in limited space in sewer shaft. Usage: FMR10/FMR20.

    • Order code 71429910

      Swiveling mounting bracket, sewer

      For installation in manhole above sewer. Usage: FMR10/FMR20.

    • Order code 71452315

      Sensor support 500mm, 316L

      Mounting Prosonic S, Mircopilot. Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20.

    • Order code 71452316

      Sensor support 1000mm, 316L, US-sensor

      Mounting Prosonic S, Mircopilot. Material: 316L. Usage: FDU90/FDU91/FDU91F/FDU92/FDU93/FDU95, FMR10, FMR20.