The Endress+Hauser Levelflex FMP52 is the premium guided wave radar level transmitter for corrosive liquids and liquid-liquid interface tracking.
Target Application & Quick Summary: The Endress+Hauser Levelflex FMP52 is the premium guided wave radar (GWR) level transmitter engineered specifically for continuous liquid level and liquid-liquid interface measurement in aggressive acids, sterile pharmaceutical blending, and high-pressure chemical reactors. Featuring a fully molded PTFE/PFA-coated rod or cable probe and seamless flange isolation, the FMP52 bypasses boiling surface foam, dense steam blankets, and density fluctuations, delivering certified ±2 mm (±0.08") accuracy under temperatures from –50°C to +200°C (–58°F to +392°F) and pressures up to 40 bar (580 psi).
⚡ Engineering Procurement Notice: Pre-calibrated factory units available with EN 10204-3.1 material traceability certificates. Express 24-hour drawing submittal & technical quote generation. Direct corporate bank transfers supported in USD, EUR, and RMB (Yuan) to guarantee uninterrupted supply chain continuity. Request Technical Datasheet & Official RFQ →
Unlike basic spray coatings that crack or flake under rapid thermal cycling, the FMP52 wave element features a fully extruded, non-porous PFA/PTFE insulation layer. This seamless barrier guarantees absolute corrosion isolation in hot sulfuric, hydrochloric, and nitric acid concentrations, preventing metallic contamination and probe degradation.
To prevent toxic or corrosive chemical vapors from penetrating the electronics enclosure under pressure, the sensor neck features a gas-tight ceramic-to-metal feedthrough backed by secondary graphite seals. This dual-seal containment layer maintains absolute process safety up to 40 barg (580 psig) even under severe mechanical stress.
For high-pressure saturated steam boilers and volatile gas applications, selecting the coaxial probe configuration utilizes an integrated mechanical reference distance. The internal microprocessors automatically calculate and correct for velocity shifts in gas phases, eliminating up to 30% of traditional high-temperature measurement drift.
Utilizing high-frequency Time-Domain Reflectometry (TDR) and Multi-Echo Tracking algorithms, the FMP52 simultaneously calculates upper dielectric solvent boundaries and lower liquid-liquid interface matrixes (e.g., oil-water separation) in a single loop, delivering precise ±2 mm reference precision.
Compliant with NAMUR NE 107 diagnostic standards, integrated Heartbeat Technology performs continuous reference voltage, clock, and microwave oscillator self-checks in under 90 seconds. Operators can download audit-ready, ISO 9001-compliant verification PDF reports via HART, PROFIBUS PA, or Bluetooth SmartBlue App without breaking process seals.
| Engineering Parameter | Verified Technical Data (E+H FMP52) | Procurement & Application Value |
|---|---|---|
| Core Technology | Guided Wave Radar (GWR / TDR) | Direct pulse guidance; completely immune to surface turbulence & steam |
| Process Tracking | Simultaneous Liquid Level & Interface Mapping | Multi-strata tracking for acid storage, dosing skids & oil-water separators |
| Instrument Reference Accuracy | ±2 mm (±0.08 in) | Fiscal-grade inventory precision across entire measuring span |
| Process Pressure Rating | Full Vacuum up to 40 bar (580 psi) | Suitable for vacuum evaporators and pressurized chemical reactors |
| Operational Thermal Range | –50°C to +200°C (–58°F to +392°F) | Maintains structural integrity across extreme thermal shock cycles |
| Minimum Dielectric (DK) | DC ≥ 1.6 (Coaxial) | DC ≥ 1.9 (Standard Cable/Rod) | Reliable measurement in low-reflectivity solvents and hydrocarbons |
| Maximum Measuring Span | Rigid Rod: 4 m (13 ft) | Flexible Cable: 45 m (148 ft) | Flexible sizing for small mixing vessels up to deep storage tanks |
| Process Connection Standards | ASME Flanges 1.5"–6" (Class 150/300), DN50–DN100 PN40, Sanitary Tri-Clamp 2" | Compatible with industrial chemical piping & sanitary pharmaceutical skids |
| Wetted Metallurgy & Liners | Fully Molded PTFE, Extruded PFA, Alloy C22, 316L (1.4404) | Complete corrosion immunity with EN 10204-3.1 material heat traceability |
| Safety & Hazardous Certifications | SIL 2 / SIL 3 (IEC 61508), ATEX, IECEx, CSA, NEPSI Zone 0/1/2 | Certified for functional safety loops and explosive gas environments |
| Accepted Payment Channels | USD, EUR, RMB Direct Corporate Bank Transfer | Eliminates transaction friction; enables smooth cross-border customs release |
Need pricing, dimensional drawings, or specification verification for Endress+Hauser Levelflex FMP52? Contact our technical team directly:
Request Official Quote & Technical Submittal →Conventional non-contact radars emit free-space waves that scatter or become absorbed by heavy steam or boiling foam. Guided Wave Radar completely neutralizes this attenuation by focusing microwave pulses along a rigid rod or coaxial pipe guide. The pulse remains tightly contained within this physical path, cutting through dense surface foam and hydrocarbon vapors to strike the true liquid interface with maximum signal-to-noise ratio.
To eliminate banking friction and ensure uninterrupted supply chains for critical industrial projects, direct corporate bank transfers are supported in USD, EUR, and RMB (Yuan). This guarantees rapid customs release and fast dispatch from reserve stock.
For standard single rod configurations in media with dielectric constant DC > 10, the upper dead zone is 200 mm (7.87") from the bottom of the process flange, and the lower dead zone is 50 mm (1.96") at the probe tip. For lower dielectric fluids (DC < 5), selecting a coaxial probe layout minimizes these transition distances.
The FMP52 features a fully molded, seamless PTFE/PFA probe insulation with no exposed metal parts entering the process fluid. Unlike free-space non-contact radars whose plastic horn antennas can degrade or suffer from corrosive condensation, the FMP52 maintains direct wave containment and complete chemical immunity in hot acid environments.
