This LoRaWAN Ultrasonic Liquid Level Sensor is a robust, non-contact solution designed to measure the height of liquid inside a container without opening or drilling into the tank. Using long-range LoRaWAN communication, it sends real-time level readings directly to your IoT server, enabling remote monitoring for agriculture, industrial tanks, chemical storage, water systems, and off-grid environments.
The sensor installs outside or underneath the container, making it ideal for sealed, pressurised, hazardous, or high-temperature tanks where direct liquid contact is unsafe or impractical.
Built with ultrasonic distance-measurement technology, it delivers high-accuracy readings across a wide range of liquids including fuels, oils, strong acids, alkalis, and pure liquids, even in demanding industrial conditions. LoRaWAN long-range wireless ensures reliable transmission over several kilometres at extremely low power consumption.
The device also supports Bluetooth configuration and wireless OTA updates, making installation simple and long-term maintenance effortless. Designed for multi-year operation, it offers both long-life battery options and solar-rechargeable configurations depending on deployment needs.
Available Battery Variants:
DDS20-LB (Long-Life Lithium Configuration):
• Built for long-term, low-maintenance deployments
• Suitable for sealed tanks, remote locations, and inaccessible installations
• No solar input required
DDS20-LS (Rechargeable Solar-Enabled Configuration):
• Supports solar input for energy-autonomous operation
• Ideal for outdoor, open-field, or sun-exposed environments
• Best for continuous monitoring where power availability may be limited
A sustainable, low-maintenance solution for always-on liquid level insights.
Need a Gateway too? Pair it with the Dragino DLOS8N Outdoor LoRaWAN Gateway for a complete monitoring solution.
Check out Dragino DDS20 LoRaWAN Ultrasonic Liquid Level Sensor User Online Manual.
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