Qantec Automation

Milesight Ultrasonic Distance/Level Sensor (0.25m – 8m)

The EM500-UDL stands out as an advanced ultrasonic device crafted for precise distance and level measurement, specifically engineered to perform in demanding settings. Perfectly suited for applications like flood surveillance, handling wastewater, and monitoring storage levels in grain or fertilizer facilities, this device ensures precise data without necessitating the immersion of sensors. It delivers not only accurate readings but also promotes efficient information sharing through LoRaWAN® technology. With its minimal energy usage and durable battery life, it serves as a dependable tool for managing data remotely.



Elevating Accuracy in Distance & Level Measurement: Tailored for Flood Surveillance, Wastewater Control, and Storage Level Management

Introducing the EM500-UDL, a device engineered with precision for detecting distances and levels, specifically designed to tackle complex challenges. This tool is indispensable in critical applications such as flood surveillance, wastewater control, and monitoring fill levels in grain or fertilizer storage units, proving its resilience and reliability even in adverse conditions.

At the heart of its superior performance is the sophisticated ultrasonic technology it utilizes. By emitting ultrasonic waves that bounce off objects and return, the EM500-UDL delivers exceptionally accurate measurements of distance. This capability is crucial for applications like flood and silo or grain monitoring, where it’s unnecessary to submerge sensors into the materials, thus minimizing potential damage or loss due to debris.

Incorporating LoRaWAN® technology, the EM500-UDL excels in efficient data communication. This advancement, along with its compatibility with Milesight LoRaWAN® gateways and the Milesight IoT Cloud, enables effortless remote sensor data management and visualization, enhancing operational convenience and effectiveness.

A defining feature of the EM500-UDL is its energy efficiency. Powered by a robust 19000 mAh battery, it boasts up to a decade of continuous operation, offering unparalleled durability and utility for various outdoor tasks, from flood monitoring to granary level assessment.


Unveil Precision’s Potential with EM500-UDL – The Premier Choice for Accurate Distance and Level Measurement.



  • Offers a flexible measuring span from 0.3m to 10m.
  • Capable of precise measurements in tight or narrow spaces.
  • Suitable for operation in both gentle and chemically aggressive environments.
  • Enables non-contact detection, ideal for handling corrosive or flammable materials.
  • Facilitates non-invasive monitoring to measure distance or levels without physical contact.
  • Supports ultra-long-distance data transmission, reaching up to 10km line of sight, ideal for expansive operations.
  • Features an IP67 waterproof casing, crafted for demanding settings.
  • Equipped with a long-lasting 19000 mAh replaceable battery, ensuring a decade of service.
  • Simplifies setup with NFC technology.
  • Compatible with standard LoRaWAN® gateways and network servers for easy integration.
  • Utilizes the Milesight IoT Cloud for efficient operational management.

Transforming Industrial Operations with Precise Tank Level Monitoring

The EM500-UDL revolutionizes tank level measurement, offering a dependable and accurate alternative to traditional, less reliable methods. This shift guarantees consistent precision in industrial environments, eliminating the dependency on manual reporting.


Enhancing Winter Management through Accurate Snow Level Monitoring

Powered by LoRaWAN® and the EM500-UDL’s ultrasonic sensor, this solution empowers governmental bodies to efficiently manage heavy snowfalls, reducing the impact on roads and facilitating smarter urban management.


IMPORTANT – Sensor Operation

Please note: A Gateway is essential for accessing wireless network features and using the IoT Cloud software as illustrated.