The Milesight EM310-UDL is a dual ultrasonic LoRaWAN® sensor, designed for accurate distance and level measurement in waste management, tank monitoring, parking detection, and industrial applications. With dual ultrasonic probes, long-range LoRaWAN® connectivity, and an IP67 waterproof housing, this device ensures highly reliable and contactless measurement of liquids or solid surfaces.
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💡 Key Features
📡 LoRaWAN® EU868 Connectivity – Long-range, low-power wireless data transmission
📏 Dual Ultrasonic Sensor – Measures distance and level for liquids or solid objects
🔋 Ultra-Low Power Consumption – Battery-powered with up to 10 years of operation
🌧️ IP67 Waterproof & Rugged Design – Suitable for outdoor and industrial environments
⚡ Configurable Data Transmission – Supports periodic and event-based reporting
🏭 Industrial-Grade Reliability – Designed for waste bin monitoring, tank level measurement, and parking detection
📊 Seamless IoT Integration – Compatible with major LoRaWAN® network servers
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🛠 Applications
🗑️ Smart Waste Bin Monitoring – Detect fill levels and optimize collection routes
🚰 Water Tank & Liquid Level Monitoring – Ensure proper liquid management in tanks and reservoirs
🅿️ Smart Parking Management – Detect vehicle presence and optimize parking availability
🏭 Industrial Process Control – Maintain precise level and distance measurements
🌍 Smart Cities & Environmental Monitoring – Enhance urban efficiency with real-time distance tracking
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📦 Package Includes
- 1 × Milesight EM310-UDL LoRaWAN® Dual Ultrasonic Distance/Level Sensor
- 1 × Mounting Kit
- 1 × User Manual
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📥 Product Downloads
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🎥 Product Video
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Frequency | EU868 |
| Tx Power | 16dBm (868 MHz) |
| Sensitivity | -137dBm @300bps |
| Work Mode | OTAA/ABP Class A |
| Measurement | |
| Distance Detection Range | 3 – 450 cm |
| Distance Detection Accuracy | ± (1+0.3%*S) cm, S=distance |
| Distance Resolution | 1 mm |
| Device Position Status | Normal/Tilt |
| Operation | |
| Configuration | NFC Configuration via Mobile App |
| Physical Characteristics | |
| Power Supply | 2 × 3500 mAh ER17505 Li-SOCl2 Batteries |
| Battery Life | Up to 10 years (10 min interval + 20 triggers per day) |
| Operating Temperature | -15°C to +60°C |
| Relative Humidity | ≤90% (non-condensing |
| Ingress Protection | IP67 |
| Dimension | 111 × 62 × 40 mm (4.37 × 2.44 × 1.57 in) |
| Weight | 168g |
| Material & Color | ABS, Black |
| Installation | On the flat surfaces with screws |















