Guided radar measurement
Levelflex FMP54

Levelflex FMP54 stainless steel ©Endress+Hauser
Levelflex FMP54 aluminum ©Endress+Hauser

Time-of-Flight measuring principle

Commissioning movie for Levelflex FMP5x guided radar and Micropilot FMR5x free space radar

Levelflex FMP54 with gas phase compensation for high temperature and high pressure applications

Unique HistoROM data management concept for safe level measurement

Continuous adapting algorithms offering safe level measurement due to Multi-Echo Tracking

Multi-Echo Tracking with Tank Trace marks and traces all echoes signals, not only the level signal - guaranteeing safe measurement at any time

Levelflex FMP54 ©Endress+Hauser

For high temperature and high pressure applications in the oil & gas, chemical and power industry

Levelflex FMP54 for continuous level measurement in liquids under extreme conditions. The process connection with its ceramic-graphite seal safeguards high temperature and high pressure applications as they occur in steam boilers and toxic media like ammonia. The gas tight feedthrough guarantees additional safety. Only the gas phase compensation of the FMP54 gives reliable results in case of gas and steam phases. Reliable measurement in case of moving surface and foam or in changing medias.

  • Lợi ích

    • 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...

  • Phạm vi ứng dụng

    Version with rod, rope or coax probe.

    • Process connections: Thread or flange

    • Temperature: -196 to +450°C (-320 to +842°F)

    • Pressure: -1 to +400bar (-14.5 to +5,800psi)

    • Maximum measuring range: Rod 10m (33ft), rope 45m (148ft), coax 6m (20ft)

    • Accuracy:...

Tín năng và thông số kỹ thuật

Quay lại


  • Measuring principle

    Guided radar

  • Characteristic / Application

    Premium device high pressure/ high temperature

    Rod probe, Rope probe, Coaxial Probe

    Integrated data memory, Factory precalibrated, Reliable measuring: in case of moved surface + foam, for changing medias

  • Interface measurement

    Clean interfaces liquid/ liquid;

    Simultaneous measurement of interface and overall level

  • 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 <= 15 m (49 ft):

    +/- 2 mm (0.08 in)

    Rope probe > 15 m (49 ft):

    +/- 10 mm (0.39 in)

    Coaxial probe: +/- 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...400 bar
    (Vacuum...5800 psi)

  • Main wetted parts

    Rod probe:

    304, 316L, Alloy C, Ceramic

    Rope probe:

    304, 316, 316L, Alloy C, Ceramic

    Coaxial probe:

    304, 316L, Alloy C, Ceramic

  • Process connection


    G 1 1/2, MNPT 1 1/2


    ASME 2"...4",


    JIS 10K, 63K,



  • Sensor length

    Rod probe: 10 m (33 ft)

    Rope probe: 45 m (148 ft)

    Coaxial probe: 6 m (20 ft)

  • Max. measurement distance


    10 m (33 ft) Min DK>1.6


    25 m...30 m (82 ft...98 ft) Min DK>1.6;

    30 m...45 m (98 ft...148 ft) Min DK >1,9

    Coaxial probe: 6 m (20 ft) Min DK>1.4

  • Communication

    4...20 mA HART


    FOUNDATION Fieldbus

    Bluetooth® wireless technology

  • Certificates / Approvals


  • Safety approvals

    Overfill prevention WHG


  • Design approvals

    EN 10204-3.1

    NACE MR0175, MR0103

    ASME B31.1, B31.3


    Steam boiler approval

  • Marine approval

    GL/ DNV

  • 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

    Interface measurement: Use coax system in favor (coax probe, bypass, stilling well)

    Interface with emulsion: FMP55

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