A guided wave radar level transmitter of the Levelflex series, model FMP57 (specific variant: FMP57-AAACCALCA4AJJ+LA), under Endress Hauser (E+H). It focuses on continuous level measurement of bulk solid materials and is a high-end sensor product in the industrial automation field.
As a world-leading manufacturer of process automation instruments, E+H has profound technical accumulation in radar measurement with its "Levelflex" series. Tags on the page such as "endress hauser fieldcare" (E+H on-site operation and maintenance software) and "smartec endress hauser" (E+H intelligent sensing technology) further strengthen the product's attributes of "intelligence + professional operation and maintenance".
The page and supplementary documents clearly define its core application scenarios as tall silos, hoppers, and stockyards. Targeting bulk solids from powder to granular forms (such as cement, ore, plastic pellets, etc.), it addresses key pain points in traditional level measurement, including "dust interference, temperature stratification, and filling noise".
Capable of filtering dust and interfering echoes. Even when material properties (e.g., density, dielectric constant) or process conditions (temperature, pressure) change, it can stably capture real level signals. Supplementary documents mention that "measurement is not affected by dust, temperature layers, or gas layers", which is a critical requirement for bulk solid measurement scenarios.
- Process Temperature: -40~+150℃ (-40~+302℉), covering high and low-temperature industrial environments.
- Process Pressure: Vacuum ~16 bar (Vacuum ~232 psi), suitable for negative pressure (e.g., vacuum silos) and medium-to-low pressure working conditions.
- Measurement Range: Rod-type probe with a maximum of 4m (13ft); cable-type probe with a maximum of 45m (148ft). It meets the depth measurement needs of "tall silos". Moreover, cable-type probes of different lengths only require a corresponding dielectric constant (DK) ≥1.4~1.9, making them compatible with most industrial materials.
Both hardware and software comply with the IEC 61508 standard, achieving SIL3 Safety Integrity Level. It is suitable for scenarios with extremely high safety requirements such as petrochemicals and energy. Supplementary documents note that it offers "the world's simplest SIL and WHG (German Water Resources Act) verification tests", which can save operation and maintenance time and costs.
Covers mainstream explosion-proof standards including ATEX (EU), FM/CSA C/US (North America), IEC Ex (International), and NEPSI (China), adapting to hazardous environments in different regions worldwide (e.g., dust explosion-proof and gas explosion-proof areas).
Built-in data storage with factory pre-calibration. Parameters can be directly called during commissioning, and no re-calibration is required during maintenance, reducing downtime. Equipped with an RFID tag, it enables convenient equipment identification and parameter traceability.
Real-time monitors equipment health status and provides early fault warnings to avoid sudden downtime. Supplementary documents state that it "achieves economically safe plant operation throughout the entire lifecycle", aligning with industrial users' demand for "predictive maintenance".
Supports 2-wire/4-wire communication (compatible with HART, PROFIBUS PA, FOUNDATION Fieldbus), enabling seamless integration with DCS (Distributed Control Systems) or asset management systems. On-site remote operation is available via the SmartBlue App (Bluetooth connection), eliminating the need to enter tall silos or hazardous areas and improving operational safety.
We selected guided wave radar level transmitters with similar market positioning and positive reviews globally, comparing them in terms of core indicators, scenario adaptability, and user evaluations to assess the market competitiveness of the FMP57:
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