Check your tank level from your phone
Keep track of your tank's fill percentage and water depth in Tuya Smart or Smart Life. The TLC2404 measures from above the tank using non-contact ultrasound, with adjustable high and low level alerts to help you follow filling and everyday water use.
App monitoring
View the water level and fill percentage after connecting the sensor to your home network.
Non-contact measurement
The sensor faces the water from above, with a measuring range of 0.4–8 m.
Adjustable alerts
Choose high and low level thresholds that suit your tank and water use.
Direct Wi-Fi connection
Connects to a 2.4 GHz network and works with Tuya Smart or Smart Life without a Zigbee hub.
What you need to get started
- 2.4 GHz Wi-Fi coverage at the sensor location.
- A 5 V DC power supply and internet access for remote monitoring.
- At least 40 cm clearance above the highest water level.
Model and measurement
| Model | TLC2404 |
|---|---|
| Measurement | Non-contact ultrasonic |
| Measuring range | 0.4–8 m |
| Minimum measuring distance | 40 cm |
| Connection | 2.4 GHz Wi-Fi |
| App | Tuya Smart / Smart Life |
Connection and operation
| Power | 5 V DC |
|---|---|
| Normal operating current | Below 110 mA |
| Operating temperature | −10 to 70°C |
| Measurement tolerance | ±(1% of reading + 10 mm) |
| Sensor protection | IP67 for sensor and circuit |
| Alerts | High and low level app alerts |
Set up for a stable reading
- Mount above the tank, facing straight down at the water and away from the inlet and walls.
- Keep at least 40 cm above the highest water level, then enter the sensor-to-bottom distance.
- Pair with the app, set alert thresholds and check the reading against a known water level.
Questions to help you choose
Does the sensor have a screen?
The top face is a printed label. Live readings appear in the phone app.
Is it battery powered?
This model uses a wired 5 V DC supply.
Can it automate a pump?
Pump automation needs a separate compatible smart controller rated for the pump's electrical load.
