Solar Powered Smart Ultrasonic Water & Fuel Tank Level Sensor | Tuya WiFi

Solar Powered Ultrasonic Tank Level Sensor is a smart, wireless fluid level monitoring solution designed for water and non-hazardous fuel tanks in home automation and light commercial environments.

Using advanced ultrasonic sensing technology, the sensor measures liquid levels without contact, ensuring high reliability and minimal maintenance. With a measurement range of 0.1 m to 4.0 m and ±0.02 m accuracy, it provides precise level data suitable for most residential and small commercial tanks.

Powered by a high-capacity 3.6 V 3600 mAh solar battery, the device operates continuously without external power wiring, making it ideal for remote tanks, outdoor installations, and DIY plumbing projects.

Integrated with the Tuya Smart / Smart Life app, users can monitor tank levels remotely, receive alerts, and optionally control pumps as part of a smart home or automation system.

Key Features & Selling Points

• Solar powered – no mains wiring required

• Ultrasonic non-contact level measurement

• High accuracy ±0.02 m

• Wide operating temperature range (-20 °C to +70 °C)

• DIY-friendly installation

• Compatible with Tuya Smart / Smart Life app

• Remote monitoring on Android & iOS

• Optional pump control integration

• Suitable for water and non-hazardous fuel tanks

Typical Applications

• Residential water tanks

• Rainwater harvesting systems

• Fuel storage (non-hazardous)

• Agricultural tanks

• Smart home automation systems

• Remote or off-grid tank monitoring