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Radar measurement
Micropilot FMR54

For level measurement in liquids where strong steam or ammonia can occur

  • Micropilot FMR54 aluminum housing with horn antenna and flange ©Endress+Hauser
  • Micropilot FMR54 aluminum housing with planar antenna ©Endress+Hauser
  • Micropilot FMR54 for high temperature with aluminum housing ©Endress+Hauser
  • Time-of-Flight measuring principle

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

  • Unique HistoROM data management concept for safe level measurement

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

Micropilot FMR54 is prepared for the use in high temperature and high pressure applications and with the specially designed planar antenna it is particularly suited for stilling well applications. The FMR54 free space radar is used for continuous, non-contact level measurement of liquids, pastes and slurries. The measurement is not affected by changing media, temperature changes, gas blankets or vapors.


  • Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy)

  • HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics

  • Highest reliability even in the presence of obstructions in the vessel due to new Multi-Echo Tracking evaluation

  • Reliable measurement even for changing product and process conditions

  • 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 concept for SIL and WHG saves time and cost

Field of application

Horn antenna or planar antenna which is particularly suited for stilling well applications.

  • Process connection: Flange

  • Temperature: -196 to +400°C (-76 to +752°F)

  • Pressure: -1 to +160bar (-14.5 to +2,320psi)

  • Maximum measuring range: 20m (66ft)

  • Accuracy: ±6mm

  • C-band: 6GHz

  • International explosion protection certificates, overfill prevention WHG, SIL, 5-point linearity protocol

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: Micropilot M FMR230

Success stories


Endress+Hauser Inc.
2350 Endress Place Greenwood , IN 46143 United States
Tel.: 888-363-7377
Tel.: 888-ENDRESS
Tel.: 317-535-7138
Fax: 317-535-8498

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