Last Updates: 16/08/2020

E&H Levelflex FMP50 Guided radar measurement Time-of-Flight

Part Number: FMP50 Categories: ,
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  • Levelflex FMP50 is the instrument for basic applications in liquids which do not place high demands on temperature and pressure ranges or chemical resistance. Particularly in basic supply or storage applications as well as utility processes FMP50 is the best choice. Levelflex FMP50 guided radar is used for continuous level measurement of liquids, pastes and slurries. The measurement is not affected by changing media, temperature changes, gas blankets or vapors.

    • Reliable measurement even for changing product and process conditions
    • HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
    • Highest reliability due to new Multi-Echo Tracking evaluation
    • Hardware and software developed according to IEC 61508 up to SIL3
    • 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 for SIL and WHG saves time and costs

    Version with rod or rope probe.

    • Process connections: Thread or adapter flange
    • Temperature: -20 to +80°C (-4 to +176°F)
    • Pressure: -1 to +6bar (-14.5 to +87psi)
    • Maximum measuring range: Rod 4m (13ft), rope 12m (39ft)
    • Accuracy: ±2mm (0.08″)
    • International explosion protection certificates, overfill prevention WHG, SIL, 5-point linearity protocol
    • Measuring principle

      Guided radar

    • Characteristic / Application

      Basic device 

      Rod probe, Rope probe 

      Integrated data memory, Factory precalibrated, Reliable measuring for changing medias.

    • Specialities

      Heartbeat Technology,

      Bluetooth® commissioning,

      Operation and maintenance SmartBlue App,


      RFID TAG for easy identification

    • Supply / Communication

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

      4-wire (HART)

      Bluetooth® wireless technology and App (optional)

    • Accuracy

      Rod probe: +/- 2 mm (0.08 in) 

      Rope probe: +/- 2 mm (0.08 in)

    • Ambient temperature

      -40…+80 °C

      (-40…+176 °F)

    • Process temperature

      -20…+80 °C

      (-4…+176 °F)

    • Process pressure absolute / max. overpressure limit

      Vacuum…6 bar,

      (Vacuum…87 psi)

    • Main wetted parts

      Rod probe: 316L, PPS, Viton

      Rope probe: 316, PPS, Viton

    • Process connection


      G 3/4, MNPT 3/4


      UNI Flange

    • Sensor length

      Rod probe: 4 m (13 ft) 

      Rope probe: 12 m (40 ft)

    • Max. measurement distance

      Rod: 4 m (13 ft) Min DK>1.6

      Rope: 12 m (40 ft) Min DK>1.6

    • Communication

      4…20 mA HART 


      FOUNDATION Fieldbus

      Bluetooth® wireless technology

    • Certificates / Approvals


    • Safety approvals

      Overfill prevention WHG


    • Design approvals

      EN 10204-3.1

    • Options

      Sensor remote with 3 m/ 9 ft cable,

      Remote operation via SmartBlue App using Bluetooth®

    • Application limits

      Horizontal storage tank cyl.:

      use coax probe

      Corrosive liquids:

      High pressure/ temperatures >80°C/176°F; 6bar/87psi:
      FMP51, FMP54

      Interface measurement

      FMP51, FMP55

    Datasheet: Levelflex FMP50 Technical Information

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