ENDRESS+HAUSER Levelflex FMP51-A1QL1/0 FMP51-AAACCBACA4RGJ

Endress+Hauser Levelflex FMP51 Guided Wave Radar Level Transmitter

Description

The Endress+Hauser Levelflex FMP51 is a premium guided wave radar level transmitter designed for demanding liquid level applications. It provides reliable and continuous measurement, even in challenging process conditions. This model features a 1000 mm rod probe and communicates via a standard 4-20 mA HART signal, allowing for seamless integration into existing control systems.

Specifications

• Manufacturer: Endress+Hauser
• Model: Levelflex FMP51
• Order Code: FMP51-AAACCBACA4RGJ
• Probe Type: Rod Probe
• Probe Length (L): 1000 mm
• Process Connection: Thread NPT 1 1/2 inch
• Output: 2-wire, 4-20 mA HART
• Supply Voltage: 11.5 to 35 V DC
• Housing: Coated Aluminum, IP68/66 Type 4X/6P
• Ambient Temperature: -40 to +80 deg C

Label Info

• Serial Number: N200010112C
• Date of Manufacture: 2018-02
• Firmware: 01.03.01

Application

This level transmitter is ideal for continuous level monitoring in storage tanks, process vessels, and standpipes across various industries, including chemical, oil and gas, and food and beverage.

Country of Origin

Made in Germany.

CO2 Impact

Opting for this pre-owned unit prevents the emission of approximately 99 kg of CO2 compared to manufacturing a new one.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the principle of measurement for the Levelflex FMP51?

The FMP51 uses guided wave radar (GWR). High-frequency microwave pulses are guided along a probe. When the pulse hits the surface of the medium, it is reflected back to the transmitter. The device measures the time-of-flight to accurately calculate the level.

Can this FMP51 model with a 316L stainless steel rod be used in corrosive media?

The probe is made of 316L stainless steel, and the seal is FKM (Viton), which offers good resistance to many chemicals, oils, and high temperatures. However, for highly corrosive media like strong acids or bases, you must verify the chemical compatibility of both 316L steel and Viton with your specific medium to ensure longevity and safety.

What is HART protocol and what does it enable for this device?

HART (Highway Addressable Remote Transducer) protocol is a hybrid analog+digital communication standard. It superimposes digital communication signals on top of the standard 4-20mA analog loop. This allows you to access additional device information, perform remote configuration, and run diagnostics without interrupting the primary 4-20mA level signal.

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Last Update: Friday, March 13, 2026