EM41x-RDL LoRaWAN® Radar Distance/Level Sensor

Milesight EM41x-RDL is a LoRaWAN-based distance and liquid level measurement sensor using millimetre-wave radar technology. Designed for sewerage systems, rainwater management, industrial tank monitoring, and smart city applications across Turkey. IoTMarketi, as a multi-brand IoT device catalog, offers project-based quotes for this product and other leading manufacturers.

Key features

• Millimetre-Wave Radar Technology: Enhanced transmission frequency and penetration capability for high accuracy
• Up to 12 m Range: 8° narrow beam angle for precise position measurement
• IP68 Rating: Dust-tight and waterproof design
• Battery Life Up to 7 Years: Low power consumption for extended operation
• NFC + Bluetooth Configuration: Easy remote setup for hard-to-reach locations
• Scenario-Based Automated Calibration: Standard, rainwater well, sewage well, and storage tank modes
• Built-in Tilt Sensor: Level measurement at tilted angles with displacement alerts

Benefits

• Radar technology measures through plastics, plants, and is less sensitive to snow, dirt, dust, and steam
• ATEX Zone 0 certification (EM411-RDL model) for safe operation in explosive atmospheres
• Chemical-resistant PVDF housing and robust IP68 rating for durability in aggressive conditions
• Real-time radar echo curve monitoring and instant notifications
• NPT and G thread options for global market compatibility, including North America

Use cases

• Sewerage and rainwater system management
• Industrial liquid tank and reservoir level monitoring
• Liquid measurement in factories and production facilities
• Smart city infrastructure and water management projects
• Level monitoring in explosive environments (EM411-RDL)

Technical notes

• Narrow 8° beam angle ensures high measurement accuracy
• Unaffected by frozen surfaces, turbulent water, or foreign objects
• Application scenario mode selection for easy setup and adjustment
• LoRaWAN and Cat.1 versions available

Version differences

The EM41x-RDL series comprises two main models:

• EM411-RDL: ATEX Zone 0 certified for use in explosive atmospheres
• EM410-RDL: For standard industrial and commercial applications

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