The Dragino LDDS20 is a high-precision LoRaWAN® ultrasonic liquid level sensor, designed for real-time water and fluid level monitoring. Using ultrasonic distance measurement technology, the LDDS20 provides accurate, contactless monitoring of liquid levels in tanks, reservoirs, and industrial storage applications. With long-range LoRaWAN® connectivity, IP67 waterproof housing, and ultra-low power consumption, this device is ideal for smart agriculture, industrial automation, and environmental monitoring.
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💡 Key Features
📡 LoRaWAN® EU868 Connectivity – Long-range, low-power wireless data transmission
🌊 Ultrasonic Liquid Level Measurement – Measures fluid levels without direct contact
🔋 Ultra-Low Power Consumption – Battery-powered for 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 water tanks, fuel monitoring, and remote fluid measurement
📊 Seamless IoT Integration – Compatible with major cloud-based monitoring platforms
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🛠 Applications
🚰 Water Tank Monitoring – Measure water levels in reservoirs and storage tanks
⛽ Fuel & Chemical Storage – Ensure safe and efficient fuel or liquid management
🏭 Industrial Process Control – Maintain optimal fluid levels in manufacturing facilities
🌾 Smart Agriculture & Irrigation – Optimize water usage for farming operations
🏙️ Smart Cities & Flood Prevention – Monitor drainage and stormwater levels in real time
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📦 Package Includes
- 1 × Dragino LDDS20 LoRaWAN® Ultrasonic Liquid Level Sensor
- 1 × Mounting Kit
- 1 × User Manual
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📥 Product Downloads
- Device Type: LoRaWAN® Ultrasonic Liquid Level Sensor
- Measurement Technology: Ultrasonic (non-contact)
- Measurement Range: 0.3 to 7.5 meters
- Measurement Accuracy: ±1 cm (typical)
- Measurement Resolution: 1 mm
- LoRaWAN® Protocol: 1.0.3, Class A
- Frequency Band: EU868
- LoRa® TX Power: Up to 14 dBm
- LoRa® Sensitivity: -137 dBm (SF12)
- Power Supply: Internal battery (8500 mAh Li-SOCl₂, lifespan up to 10 years)
- Ingress Protection: IP67 (Outdoor & harsh environments)
- Operating Temperature: -20°C to 60°C
- Installation: Ceiling, wall, or pole mounting above liquid surface
- Additional Features: Real-time liquid level monitoring, ultra-low power consumption, robust industrial design, suitable for water tanks, reservoirs, rivers, wastewater, and industrial liquid-level applications