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Product Overview

E+H FMP50 Guided-Wave Radar Level Meter

FMP50

Designed for continuous level measurement in liquids, the FMP50 utilizes advanced time-of-flight technology for reliable performance. It ensures maximum measurement reliability even under variable process conditions and low dielectric constants.

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Endress+Hauser Levelflex FMP50 Guided-Wave Radar Level Transmitter for Liquid Measurement

Advanced Measuring Principle & Technology

Operating on the time-of-flight (ToF) principle, also known as Time Domain Reflectometry (TDR), the FMP50 guides high-frequency electromagnetic pulses down a probe (either a rigid rod or flexible rope) to the product surface. Upon reflection, the electronic evaluation unit calculates the exact distance and converts it into precise level, volume, or mass data. Enhanced by multi-echo tracking algorithms and PulseMaster software, the instrument successfully filters out internal fixture and false echoes, guaranteeing dependable readings even in challenging variable conditions.

Key Features & Operational Benefits

  • Reliable Liquid Level Measurement: Delivers robust performance across diverse liquids, unaffected by fluctuating density, temperature, pressure, or vapor spaces.

  • Heartbeat Technology™: Provides integrated diagnostic, verification, and monitoring functions to ensure plant safety, extended verification intervals, and seamless compliance documentation.

  • Bluetooth® Wireless Technology: Allows quick, secure, and intuitive commissioning, operation, and maintenance via the SmartBlue app on mobile devices from up to 10 meters away.

  • Intuitive Local Operation: Features a user-friendly local display with text in local languages and touch control or push buttons, minimizing configuration errors.

  • Modular Design & Robust Security: Built with integrated data memory (HistoROM) for automatic configuration backup, safe module replacement, and optional overvoltage protection.

System Integration & Communication

The FMP50 supports standard industrial communication protocols, including FOUNDATION Fieldbus, PROFIBUS PA, and HART, allowing smooth integration into existing Distributed Control Systems (DCS) and Programmable Logic Controllers (PLCs). It is engineered to meet strict international explosion protection and functional safety standards up to SIL2/SIL3.

Endress+Hauser FMP50 Guided-Wave Radar Level Meter

Application

  • Chemical & Petrochemical Industry: Measurement of acids, alkalis, solvents, hydrocarbons, and various chemical solutions.

  • Oil & Gas Sector: Monitoring levels in fuel storage, mineral oil tanks, and processing vessels.

  • Water & Wastewater Treatment: Level control in aqueous solutions, water reservoirs, and treatment basins.

  • Food & Beverage Industry: Process level monitoring in secondary applications, oils, and liquid ingredients.

Technical Specifications

  • Instrument Type: Guided-wave radar level transmitter (Levelflex FMP50)

  • Measured Variable: Level and distance (optional volume/mass via linearization)

  • Maximum Measuring Range: Rod probe up to 4 m (13 ft); Rope probe up to 12 m (39 ft)

  • Reference Accuracy: ±2 mm (±0.08 in)

  • Process Temperature Range: -20 to +80°C (-4 to +176°F)

  • Process Pressure Range: -1 to +6 bar (-14.5 to +87 psi)

  • Dielectric Constant (εr): ≥ 1.6 (Rod and rope probe)

  • Communication Protocols: FOUNDATION Fieldbus, PROFIBUS PA, HART

  • Approvals & Certificates: International explosion protection certificates, WHG overfill protection, SIL2/SIL3, EN10204-3.1

 FAQ

  • Q: Can the FMP50 be used for interface measurement? A: The FMP50 is primarily designed and optimized for level measurement in liquids. For dedicated interface measurement applications, please consult alternative Endress+Hauser models like the FMP51 or FMP52.

  • Q: How do I shorten the probe if it is too long for my tank? A: Rod probes can be cut using a standard saw at the bottom end. Rope probes can be shortened using a saw or bolt cutters after loosening the set screws on the probe weight and reapplying them securely.

  • Q: Is it possible to configure the device without opening the housing? A: Yes, models equipped with the optional Bluetooth module can be easily configured, operated, and monitored wirelessly using the SmartBlue app on a smartphone or tablet.

  • Q: What should I do if there are internal obstacles causing false echoes? A: You can perform an interference echo suppression (mapping) using the “Confirm distance” wizard via the local display or operating tool to ignore internal fixtures.

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