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Endress+Hauser Levelflex FMP57: Guided Radar for High Silos and Bulk Solids

News October 08, 2026
Endress+Hauser Levelflex FMP57: High-Performance Guided Radar for Bulk Solids
Reliable level measurement in tall silos, bunkers and stockpiles can be difficult because of dust, filling noise, long measuring distances and mechanical forces on the probe. The Endress+Hauser Levelflex FMP57 is designed for demanding continuous level measurement in powdery to granular bulk solids.

Built for High Silos and Demanding Solids

The FMP57 uses guided radar time-of-flight technology with rod or rope probes. Rope probes are available up to 45 m, making the instrument suitable for high and narrow silos. Dust, filling noise, temperature layers and gas layers do not affect the measurement, while the design supports pulling forces up to 30 kN.

Key Technical Highlights

• Maximum measuring range: rod probe 4 m (13 ft), rope probe up to 45 m (148 ft)
• Accuracy: ±2 mm for rod probes and rope probes up to 15 m; ±10 mm for rope probes over 15 m
• Process temperature range: -40 to +150 °C (-40 to +302 °F)
• Process pressure: vacuum to 16 bar (232 psi)
• Process connections: thread or flange
• Available communications include 4–20 mA HART, PROFIBUS PA, FOUNDATION Fieldbus and optional Bluetooth
• Heartbeat Technology, HistoROM data memory and SmartBlue app support are available
• International explosion-protection certificates, SIL, marine approval and 5-point linearity protocol are available

Reliable Measurement with Practical Diagnostics

Factory precalibration and integrated data memory simplify commissioning and device replacement. Heartbeat Technology supports diagnostics and verification, while optional Bluetooth access enables convenient configuration and maintenance through the SmartBlue app.

Application and Selection Support

The FMP57 is a strong choice for tall storage silos, bunkers and stockpiles containing powdery or granular materials. Probe type and length, dielectric constant, process connection, pulling force, communication protocol and approvals should be checked for each installation.

Send us your medium, measuring range, silo dimensions, process temperature, pressure, output signal and required approvals. Our team will help identify the suitable FMP57 configuration.

Contact
HONGKONG XIEYUAN TECH CO., LIMITED
Email: becky@hkxytech.com
Web: www.hkxytech.com
Mobile: +86-15972186287 (WhatsApp & WeChat)
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