Milesight EM400-UDL-868M-W100 Ultrasonic Distance/Level Sensor, LoRaWAN, IP67, 10m Range

Facility managers and industrial operators use the Milesight EM400-UDL-868M-W100 to remotely monitor liquid levels in tanks, silos, and reservoirs. This LoRaWAN ultrasonic sensor measures distances from 0.3 to 10 meters with millimeter resolution, transmitting data over long ranges without wiring.

Key specifications

• Sensor type: Ultrasonic
• Measurement range: 0.3 - 10 m
• Accuracy: ±(1 cm + 0.3% of full scale)
• Resolution: 1 mm
• Detection angle: 15°
• Communication: LoRaWAN Class A, 868 MHz
• Ingress protection: IP67
• Power: 19000 mAh Li-SOCL2 battery, up to 10 years life
• Operating temperature: -30°C to +70°C
• Mounting: Wall or pole
• Enclosure: ABS + PC
• Certifications: CE, FCC, RoHS, LoRaWAN Certified

Why choose it

Its rugged IP67 housing and wide temperature tolerance suit harsh environments, while the long-life battery minimizes maintenance visits. The configurable transmission interval lets you balance data frequency and battery life.

Ideal use cases

• Remote tank level monitoring in agriculture and water treatment
• Inventory management for fuel or chemical storage
• Smart building water tank monitoring
• Environmental monitoring of reservoirs and flood channels

Good to know

The sensor is LoRaWAN certified, ensuring compatibility with standard LoRaWAN gateways and network servers. It is designed for wall or pole mounting and includes a built-in antenna.