SONOFF Waterproof Temperature Sensor (WTS01)
Original price was: ৳ 1,200.00.৳ 1,000.00Current price is: ৳ 1,000.00.
The ultimate heavy-duty monitoring solution for wet and submerged environments. The SONOFF WTS01 features a high-grade stainless steel probe that is fully waterproof, corrosion-resistant, and rust-proof. With an extended 150cm (1.5m) cable and an upgraded RJ9 4P4C connector, it provides stable temperature tracking from -40°C to +115°C for your TH Elite device.
⚠️ IMPORTANT NOTE: This is an accessory sensor. It requires a SONOFF TH Elite smart switch (sold separately) to function and connect to the eWeLink app.
Description
SONOFF WTS01: Professional Waterproof Temperature Monitoring
The SONOFF WTS01 is a specialized temperature probe built to perform where standard sensors fail. Designed for long-term submersion and high-humidity areas, it is the perfect companion for the SONOFF TH Elite (THR320D) to automate water heaters, cooling systems, and industrial liquid tanks.
Built for Extreme & Wet Conditions
🌊 Fully Submersible Stainless Steel Probe
Corrosion Resistant: The probe is crafted from high-quality stainless steel, ensuring it won’t rust even when permanently placed in water tanks or aquariums.
IP67 Rated Durability: Engineered to withstand moist, damp, and outdoor environments without signal loss or degradation.
🌡️ Wide Measurement Range & High Accuracy
Versatile Range: Monitors temperatures from -40°C to +115°C, making it suitable for everything from deep freezers to boiling water systems.
Precision Tracking: Offers highly accurate readings (±0.5°C), essential for sensitive environments like fish tanks or chemical processing.
🔌 Extended 1.5m Reach & RJ9 Stability
Flexible Placement: The generous 1.5-meter (150cm) cable allows you to place the sensor deep into a tank or pipe while keeping the smart switch safely in a dry location.
RJ9 4P4C Connector: The upgraded connector ensures a “lock-in” fit that won’t easily disconnect, supporting hot-plugging for quick swaps.
Top Use Cases in Bangladesh
Aquariums & Fish Farms: Maintain the perfect water temperature for sensitive aquatic life.
Geyser & Solar Water Heaters: Monitor tank temperature and automate your heater to save electricity.
Greenhouses & Soil Monitoring: Track temperature in damp soil or high-humidity plant nurseries.
HVAC & Industrial Cooling: Insert the probe into pipes or cooling ducts for real-time climate automation.
Technical Specifications
| Feature | Specification |
| Model | WTS01 |
| Probe Material | Stainless Steel (Waterproof) |
| Connector Type | RJ9 4P4C |
| Cable Length | 150cm (1.5m) |
| Measuring Range | -40°C to +115°C |
| Working Voltage | 3.0V – 5.5V |
| Accuracy | ±0.5°C (in range -10°C to 85°C) |
| Compatibility | SONOFF TH Elite / TH Origin Series |


















