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Radar Level Transmitter | Continuous Fluid Measurement | W-band Technology | IP66/IP68 Protection | by SICK
The Radar Level Transmitter is designed for continuous fluid level measurement using advanced W-band radar technology, ensuring high accuracy of ≤ 1 mm. Ideal for industrial applications, it operates in challenging environments with a process temperature range of -40 °C to +130 °C and pressure tolerance from -1 bar to 6 bar. With an IP66/IP68 rating and HART communication interface, this sensor is perfect for precise monitoring in tanks and vessels.
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Technical Specifications
- Medium: Fluids
- Measurement: Continuous
- Probe type: Flange with encapsulated antenna system
- Frequency band: W-band (75 to 85 GHz)
- Measuring range: Up to 30 m
- Angle of dispersion: 3°
- Process pressure: -1 bar to 6 bar (-100 kPa to 600 kPa)
- Process temperature: -40 °C to +130 °C
- Accuracy: ≤ 1 mm
- Non-repeatability: ≤ 1 mm
- Digital measurement resolution: < 1 mm
- Analog measurement resolution: 0.3 µA
- Measurement cycle time: Approx. 700 ms
- Step response time: ≤ 3 s
- MTBF: 3.37 million hours
- Communication interface: HART
- Supply voltage: 12 V DC to 35 V DC
- Protection class: III (IEC 61010-1)
- Connection type: M20 x 1.5 cable gland nickel-plated brass
- Output signal: 4 mA to 20 mA / HART
- Enclosure rating: IP66 / IP68
- EMC: EN 61326-1
- Short-circuit protection: Yes
- Dimensions (H x L x W): 250mm x 150mm x 150mm
- Weight: 3 kg
Key Features
- Continuous measurement of fluid levels using W-band radar technology (75-85 GHz)
- Flange probe with encapsulated antenna system for reliable sensing
- Measuring range up to 30 meters with high accuracy (≤ 1 mm)
- Process pressure tolerance from -1 bar to 6 bar and temperature range -40 °C to +130 °C
- Integrated display and pushbutton control for easy operation
- HART communication interface for digital data transmission
- Robust aluminum housing with IP66/IP68 protection rating
- ATEX and IECEx certified for use in explosive atmospheres
- Short-circuit protection and EMC compliance (EN 61326-1)
Professional Installation Requirements
- Installation must be performed by qualified personnel familiar with hazardous area equipment and electrical safety standards to ensure compliance and safety.
Applications
- Continuous level measurement of fluids in industrial tanks and vessels
- Suitable for process industries requiring precise fluid level monitoring
- Ideal for hazardous environments with ATEX and IECEx approvals
Standards & Compliance
- Complies with AS/NZS 60035 – Electrical Equipment in Explosive Atmospheres
Environmental Benefits
- Non-contact measurement reduces contamination and wear, extending sensor life
- Energy-efficient operation with low power consumption
- Robust design minimizes maintenance and replacement waste
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK LFR-IEGGMIOHAAX flange radar level sensor is available for immediate purchase, ideal for industrial fluid level measurement applications requiring high accuracy and safety compliance.
