Ultrasonic Distance/Level Sensor

The Milesight EM500-UDL is a high-performance ultrasonic distance and level sensor designed for precise, non-contact measurement of liquids and solids in harsh environments. Driven by LoRaWAN® connectivity and shielded by an IP67-rated housing, it provides assured long-range monitoring with low maintenance. With a battery life of up to 10 years, NFC configuration allows for flexible data reporting, and it is an optimal solution for smart waste management, flood detection, industrial inventory management, and farm water monitoring.

Key Features:

Ultrasonic Measurement Accuracy

Precisely measures distance and levels up to 10 meters with ±1% accuracy for accurate monitoring of liquid tanks, silos, bins, and reservoirs.

LoRaWAN® Class A Wireless

Provides secure, long-range wireless communication up to 15 km in rural and 2 km in urban environments. Integrates with platforms such as The Things Network (TTN), Actility, and ChirpStack for seamless integration.

Rugged IP67 Industrial Housing

Designed to be resilient to dust, water sprays, and temperature ranges, making it perfect for outdoor deployment and tough industrial environments.

Extended Battery Life (Up to 10 Years)

Runs up to a decade on one battery, depending on one report per day, reducing field maintenance and battery replacements.

Quick Configuration with NFC

Utilize the Milesight Toolbox App to modify settings, upgrade firmware, and personalize alerts wirelessly — no enclosure opening required.

Custom Alerts & Event Triggers

Programmable threshold setting and immediate alerts for overflow threats, low-level, or out-of-range readings, improving safe operation.

Certified Compliance

Meets CE, FCC, and RoHS regulations for safe use in regulated industries.

End-to-End Data Security

Uses AES-128 encryption and LoRaWAN® security features to safeguard data integrity throughout your IoT network.

Unique Benefits:

Non-Contact, Low-Maintenance Monitoring

Prevents corrosion, wear, and contamination associated with contact sensors, minimizing downtime and prolonging sensor lifespan.

Energy-Efficient, Large-Scale Ready

Optimized for sustained field deployments with low energy usage — perfect for industrial and smart city IoT initiatives.

Instant Compatibility with Top Platforms

Preconfigured for easy onboarding with ChirpStack, TTN, and proprietary LoRaWAN® networks for centralized management and data analytics.

Adaptable Reporting & Frequency Settings

Tailor data intervals from minutes to days according to your application, from frequent updates of flood detection to tank level readings on a daily basis.

Target Use Cases:

Smart Waste Management

Monitors bin fill levels in real-time so cities can implement on-demand waste collection and cut fuel and labor expenses.

Flood Monitoring & Water Level Detection

Monitors rising water in storm drains, rivers, and flood areas; provides instant notifications to emergency systems for quick response.

Industrial Tank & Silo Level Monitoring

Maintains inventory levels at optimal levels in factories by tracking liquids, grains, cement, or raw materials in storage silos and process tanks.

Agricultural Irrigation & Reservoir Management

Manages water consumption by tracking levels in irrigation tanks, ponds, and water reservoirs, enabling precision agriculture.

Smart City Infrastructure

Empowers smart city initiatives by tracking waste, flood danger, and material levels to enhance public services and urban resilience.

Why Choose Milesight EM500-UDL?

The Milesight EM500-UDL is notable for its best-in-class accuracy, rugged design, and effortless IoT integration. Whether it is placed in a flood-susceptible city, an industrial factory, or an agricultural site, it provides reliable performance and reduces operational costs.

Specifications