Endress+Hauser Prosonic FMU41-ARB2A2

Ultrasonic Level Transmitter

The Endress+Hauser FMU41-ARB2A2 is a compact ultrasonic transmitter from the Prosonic M series, designed for non-contact level measurement of liquids, pastes, and bulk solids, as well as flow measurement in open channels . This cost-effective device delivers reliable performance for sophisticated level applications in storage tanks, agitators, and conveyor belts .

Order Code Interpretation: FMU41-ARB2A2

Key Features and Benefits

• Reliable Non-Contact Measurement: Ultrasonic time-of-flight technology with no moving parts ensures maintenance-free operation 

• ±2 mm Accuracy: High precision with ±2 mm or ±0.2% of set measuring range for critical applications 

• Chemically Resistant PVDF Sensor: Hermetically sealed and potted PVDF sensor withstands aggressive media 

• Automatic Temperature Compensation: Integrated temperature sensor corrects for sound velocity variations 

• Easy Commissioning: Menu-guided on-site operation with 4-line plain text display, 7 languages 

• Built-in Diagnostics: Envelope curve display on-site for simple troubleshooting 

• 32-Point Linearization: Convert measured values to any unit of length, volume, or flow rate 

Technical Specifications

Applications

• Level Measurement: Continuous non-contact level of liquids, pastes, sludge, and bulk solids in storage tanks, silos, and agitators 

• Flow Measurement: Open channel flow monitoring in weirs and flumes for water/wastewater applications 

• Material Handling: Level detection on conveyor belts and stockpiles 

• Hazardous Areas: Certified for use in explosive atmospheres (gas and dust Ex) 

Prosonic FMU41-ARB2A2
Endress+Hauser Prosonic FMU41-ARB2A2 | Ultrasonic Level Transmitter | 8m Range

• Cost-Effective: Fundamental selection device with essential features for core processes

• Simple Commissioning: Menu-guided operation eliminates complex setup procedures 

• Maintenance-Free: No moving parts ensures long-term reliability 

• Global Approvals: International explosion protection certificates enable worldwide deployment 

• Proven Technology: Over 30 years of ultrasonic measurement expertise from Endress+Hauser
  
  Endress+Hauser Prosonic FMU41-ARB2A2 ultrasonic level transmitter. ±2mm accuracy, 4-20mA HART, PVDF sensor, -40 to 80°C, 8m liquids/3.5m solids, ATEX.
  
  
  
  

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