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  • Geschiedenis

Radar measurement
Micropilot FMR540

Micropilot FMR540 horn antenna ©Endress+Hauser
Micropilot FMR540 parabolic antenna ©Endress+Hauser

Time-of-Flight measuring principle

Horn antenna and parabolic antenna for custody transfer applications

Micropilot FMR540 is used for custody transfer and inventory control applications with NMi- and PTB-approvals and meets the requirements according to OIML R85 and API 3.1B. FMR540 with parabolic antenna is particularly suited for free space applications up to 40m and with horn antenna for free space applications that disallow the use of a parabolic antenna due to tank/nozzle geometry. Cost-effective and simple installation via 4-wire cable with HART and 24 V DC intrinsically safe power supply.

Snelle selectie

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  • Process Connection
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Individuele configuratie

Ga verder met uw keuze uit alle mogelijke opties
  • Voordelen

    • Better than 1mm accuracy

    • National approvals (NMi, PTB) for custody transfer

    • Applicable as stand-alone system or integrated into tank gauging systems via the Tank Side Monitor NRF590

    • Cost-effective and simple installation via 4-wire cable with HART and 24 V...

  • Toepassingsgebied

    Parabolic antenna suited for free space applications up to 40m offers high beam focusing for applications with nozzle situated close to tank wall, 4"/DN100 horn antenna suited for free space applications.

    • Process connection: Flange

    • Temperature: -40 to +...

Kenmerken en specificaties



  • Meetprincipe

    Level radar

  • Characteristic / Application

    Horn antenna:
    High precision measurement for for storage tanks up to 20 m (65ft)

    Parabolic antenna:
    High precision measurement for free space applications up to 40 m (131 ft)

  • Supply / Communication

    4-wire (HART)

  • Frequency

    K-band (~26 GHz)

  • Accuracy

    +/- 1 mm

  • Ambient temperature

    For calibration to regulatory standards:

  • Process temperature


  • Process pressure absolute / max. overpressure limit

    Horn: Vacuum...16 bar (232 psi)
    Parabolic: Vacuum...6 bar (87 psi)
    Use of UNIflange: Vacuum...1 bar (14.5 psi)

  • Main wetted parts


  • Process connection

    Horn Antenna: DN100, DN150 Flange
    UNIFlange DN150, DN200, DN250
    Parabolic antenna: UNIflange with Top Target
    positioner DN200, DN250

    For dk value < 1.9, contact Endress+Hauser

  • Application


  • Max. measurement distance

    Max. measurement distance

  • https://portal.endress.com/picpool/sft/prodcont/technicalinfo/Radar_Mediengruppe_en.jpg
  • Communication

    4...20 mA HART

  • Certificates / Approvals


  • Application limits

    Maximum measuring range is dependent on the tank form and/or application

    Strong condensate or build-up formation

    Existing stilling wells with non-ideal measuring conditions

Documenten / handleidingen / software

Accessoires / Spare parts

Order code
  • 20
    • Nr 20 Order code 52005936

      FMR23x/24x deksel m.glas T12

      Material: aluminium. Usage: VU331, housing F12/T12, Micropilot M/S, Prosonic M, Levelflex M.

  • 25
    • Nr 25 Order code 518710-0020

      Cover T3/T12 Alu, coated, gasket

      Material: aluminium, coated. O-ring EPDM. Usage: FMR230/FMR231,FMR240/FMR244/ FMR245, FMR250, FMR530/FMR531/FMR532/ FMR533, FMR540, FMU40/FMU41/FMU42.

  • 35
  • 40
    • Nr 40 Order code 52026443


      4-Lijns alfanumerische weergave. Gebruik: FMR530/532/533, FMR540, FMU40/41/42/43/44.

  • 30
  • 55
    • Nr 55 Order code 52025233


      Bevestigingsschroeven. DN200/ 8". Gebruik: FMR250, FMR540.

    • Nr 55 Order code 71020169

      Hoorn FMR250/540,100mm/4",lengte 430mm

      Materiaal: 316L. Bevestigingsschroeven. Gebruik: FMR250, FMR540.

    • Nr 55 Order code 71090287

      Parabolic reflector 173x60, 316L

      Fixing screws. DN 200/8". Gebruik: FMR540, FMR57

    • Nr 55 Order code 71090289

      Parabolic reflector 236x88, 316L

      Bevestigingsschroeven. DN250/10 ". Gebruik: FMR 540, FMR57.

    • Order code 52007441

      FMR-M verloopkabel voor Service Tool

      voor aansluiting op de serviceadaptor (016154-0000) en gebruik met de ToF tool software

    • Order code 52007646

      FMR2XX-M hulpstuk demontage antenne

      Usage: Micropilot M/Micropilot S.

    • Order code 71007843

      ToF Adapter FXA291

      Gebruik: aansluiting Micropilot M, Micropilot S, Levelflex M, Prosonic M, Tank Side Monitor, Deltabar S, Cerabar S, Gammapilot M, Micropilot I, Commubox FXA291.

    • Order code 71006590

      HF-testkabel 6GHz

      Coax kabel. Gebruik: FMR230/FMR231, FMR530/FMR531/FMR532/FMR533, FMR540. Dummy antenne.

    • Order code 52028063

      HF-test cable 6GHz + resistor

      Coaxkabel. Beëindiging weerstand / verbindingsstuk. Gebruik: FMR530/FMR532/FMR533,FMR540. Dummy antenne.

    • Order code 52009925

      FMR2XX-M Dummy antenne 26 GHz

      Coax cable. Dummy antenna. Usage: FMR240/FMR244/FMR245/FMR250, FMR540.

  • 65
    • Nr 65 Order code 52005628

      FMR53X afdichtingsset (5 stuks)

      Bestaande uit: 5 x O-ring 49.21x3.53 EPDM 5 x O-ring 113.9x3.63 EPDM 5 x O-ring 72.0x3.0 EPDM