E+H Micropilot FMR20B Compact 80GHz Radar Level Transmitter

Reliable Non-Contact Level Measurement for Water & Utilities

Accurate level monitoring in water treatment plants, municipal drainage systems, and industrial utility storage is essential for automation reliability and environmental compliance. The Endress+Hauser Micropilot FMR20B 80 GHz Non-Contact Radar Level Transmitter delivers a robust, maintenance-free solution for liquid inventory tracking. Utilizing advanced 80 GHz high-frequency radar technology, the FMR20B measures fluid surfaces continuously without physical contact, eliminating issues caused by corrosion, buildup, mechanical wear, or aggressive media.

Advanced 80 GHz Radar Signal Performance

Measuring liquid levels in narrow pump sumps, deep channels, or tanks with internal structural obstacles often poses signal reflection challenges for conventional low-frequency transmitters. The Micropilot FMR20B addresses this with a highly focused 80 GHz radar beam angle.

This narrow signal focus isolates true surface reflections from vessel walls, ladder rungs, or pipe obstructions, ensuring stable level readings (±2 mm accuracy) even under turbulent surface conditions, condensation, or heavy foam. The 80 GHz signal frequency also enables compact sensor dimensions and thread sizes (1″ and 1.5″), simplifying installation in tight spaces.

Fully Potted, Flood-Proof PVDF Sensor Housing

Built to endure harsh outdoor weather exposure and submerged flood conditions, the FMR20B features a fully encapsulated, hermetically sealed PVDF sensor body. Rated to IP66/IP68 (NEMA 4X/6P), the electronics are completely protected against liquid ingress during accidental flooding or severe rainstorms.

The corrosion-resistant PVDF body withstands exposure to water treatment chemicals, aggressive sewage gases, dilute acids, and outdoor UV degradation, providing years of reliable service in exposed field installations.

Wireless Bluetooth Setup & Seamless Automation Output

Commissioning and field diagnostics in hazardous or hard-to-reach sump locations are straightforward with the FMR20B’s integrated Bluetooth wireless technology. Operators can securely configure parameters, perform zero/span adjustments, and view live level trend curves using the Endress+Hauser SmartBlue mobile app on iOS or Android devices from up to 10 meters away.

The transmitter offers flexible signal output options, including 4 to 20 mA HART, Modbus RS485, and IO-Link protocols, facilitating easy connection to local displays, telemetry RTUs, PLCs, or centralized SCADA systems.

Applications

• Water & Wastewater Treatment: Continuous level monitoring in intake screens, open channels, aeration basins, and sludge holding tanks.

• Pump Sump & Station Control: Reliable liquid level measurement for automatic pump start/stop control in sewage lift stations.

• Chemical Storage Tanks: Non-contact level tracking in tanks containing water treatment reagents, acids, bases, and coagulants.

• Flood & Environmental Monitoring: Surface level tracking in river channels, flood control basins, and storm drainage culverts.

• Utility & Industrial Water: Water level tracking in cooling towers, process water buffer tanks, and rainwater harvesting vessels.

Technical Specifications

• Manufacturer / Brand: Endress+Hauser (E+H)

• Measurement Principle: Non-contact continuous radar level measurement.

• Operating Frequency: 80 GHz.

• Max. Measuring Range: Up to 20 meters (65 ft).

• Measurement Accuracy: ±2 mm (0.08 in).

• Process Temperature Range: -40 °C to +80 °C (-40 °F to +176 °F).

• Process Pressure Range: -1 to +3 bar (-14.5 to +43.5 psi).

• Wetted Material: PVDF (Polyvinylidene Fluoride) fully encapsulated.

• Ingress Protection Class: IP66 / IP68 (NEMA Type 4X / Type 6P flood-proof).

• Process Connections: Threaded G 1″, G 1½”, NPT 1″, NPT 1½”, or mounting bracket assemblies.

• Communication / Outputs: 4 to 20 mA HART, Modbus RS485, IO-Link, Bluetooth wireless technology (SmartBlue app).

• Hazardous Area Approvals: ATEX, IECEx, CSA, NEPSI, UKCA.

FAQ

Q1: Is the Endress+Hauser Micropilot FMR20B supplied as an authentic original unit? A: Yes. We supply 100% genuine, brand-new Endress+Hauser instruments complete with original factory serial numbers, calibration reports, and official documentation.

Q2: Can the FMR20B sensor withstand flood or submerged conditions? A: Yes. The FMR20B features a fully potted, hermetically sealed PVDF housing rated to IP68 (NEMA 6P), allowing it to withstand continuous submersion in water or sewage during flood events without damage.

Q3: How do I configure the FMR20B level transmitter in the field? A: The transmitter features built-in Bluetooth connectivity. You can easily configure process parameters, check diagnostic status, and view live echo curves wirelessly using the Endress+Hauser SmartBlue app on any smartphone or tablet.

Q4: How can I request distributor quotes and confirm delivery lead times? A: Simply submit your required E+H model ordering code, measuring range, and cable length specifications through our inquiry form. Our sales team will provide a prompt, competitive quotation and export delivery timeline.

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