Milesight EM500-UDL-W050 LoRaWAN Ultrasonic Distance/ Level Sensor, IP66, Measuring range: 0.3 ~ 5m

Accurate long-range liquid level monitoring for demanding outdoor environments

The Milesight EM500-UDL Ultrasonic Distance Sensor is a LoRaWAN®-enabled monitoring solution designed for non-contact distance and liquid level measurement in harsh outdoor environments. Using ultrasonic sensing technology, it accurately measures object distance, tank levels, and water levels without direct contact, making it ideal for water storage tanks, reservoirs, waste management, and industrial monitoring applications. Featuring ultra-low power consumption, an integrated 19000 mAh battery, and long-range LoRaWAN® connectivity, it delivers years of autonomous operation while enabling remote data collection and management through compatible gateways and cloud platforms. Its rugged IP67-rated enclosure ensures dependable performance in challenging environmental conditions.

Key Features

• Non-Contact Ultrasonic Measurement: Measures liquid levels and object distances without physical contact, reducing wear and maintenance requirements.
• Long-Range LoRaWAN® Connectivity: Supports LoRaWAN® communication with transmission distances of up to 10 km line-of-sight for remote monitoring deployments.
• Extended Measurement Range: Available in models supporting measurement distances up to 5 m or 10 m with high accuracy and 1 mm resolution.
• Ultra-Low Power Operation: Powered by a 19000 mAh replaceable battery capable of delivering up to 10 years of operation under typical conditions.
• IP67 Environmental Protection: Fully sealed enclosure protects against dust, water ingress, and harsh outdoor conditions.
• Local Data Storage: Stores up to 1,000 records locally to minimise data loss during network interruptions.
• Data Retransmission Function: Automatically retransmits stored data when communication is restored, helping maintain data continuity.
• NFC Configuration: Allows fast and convenient setup using a mobile device without opening the enclosure.
• Flexible Management Options: Supports configuration via NFC, USB Type-C, mobile app, PC software, and LoRaWAN® downlink commands.
• Advanced Alarm Functions: Supports threshold alarms and change alarms for proactive monitoring and event notifications.
• Multiple Mounting Methods: Suitable for pole, wall, or DIN rail installation to suit various deployment requirements.
• Cloud Platform Integration: Compatible with Milesight IoT Cloud and development platforms for centralised monitoring and device management.

Designed for remote monitoring applications where accessibility, battery life, and environmental durability are critical, this sensor provides a practical solution for long-term level and distance measurement across industrial, agricultural, and utility installations.