Sonoff MS01 Soil Moisture Sensor for TH Elite – Smart Irrigation Made Simple
The Sonoff MS01 Soil Moisture Sensor is a compact, waterproof sensor designed for precise soil monitoring and seamless integration with the Sonoff TH Elite smart switch. Whether you’re automating a home garden, greenhouse, or commercial irrigation system, the MS01 delivers real-time moisture data to help you optimize watering schedules, conserve water, and protect your plants.
With capacitive sensing technology and RJ9 plug-and-play connectivity, the MS01 enables intelligent automation via the eWeLink app, allowing users to trigger pumps, receive alerts, and build custom smart scenes based on soil dryness thresholds.
Key Specifications
- Sensor Type: Capacitive Soil Moisture Sensor
- Connector Type: RJ9 4P4C (hot-pluggable)
- Cable Length: 50 cm (extendable up to 10 meters with Sonoff RL560)
- Operating Voltage: 3.3V
- Measurement Range: 0–100% soil moisture
- Waterproof Rating: IP67
- Material: ABS plastic
- Dimensions: 130mm × 30mm × 13mm
- Compatibility: Sonoff TH Elite, Sonoff TH Origin
Smart Automation with TH Elite
When paired with the Sonoff TH Elite, the MS01 enables advanced soil moisture monitoring and automation:
- Automated Irrigation: Activate water pumps when soil moisture drops below a set threshold
- Smart Alerts: Receive push notifications via the eWeLink app for low or high moisture levels
- Energy-Efficient Scheduling: Combine with solar-powered systems to water only when needed
- Home Assistant Integration: Use the eWeLink add-on to create custom automation scenes
Benefits
- Real-Time Monitoring: View live soil moisture data on the TH Elite’s LCD screen
- Historical Logging: Access up to 6 months of hourly moisture records
- Voice Control: Compatible with Alexa and Google Assistant
- Hot-Plug Sensor Support: RJ9 connector allows easy replacement and stable performance
- Flexible Installation: Extendable cable supports remote placement up to 10 meters
Installation Tips
- Use the Sonoff RL560 Extension Cable to increase sensor reach
- Insert the probe fully into the soil for accurate readings
- Protect the RJ9 connector from direct water exposure to maintain waterproof integrity
Why Choose the Sonoff MS01 for Smart Gardening?
The Sonoff MS01 Soil Moisture Sensor offers a reliable, automation-ready solution for smart irrigation and environmental control. With waterproof durability, real-time data, and seamless integration with the TH Elite, it’s the perfect tool for gardeners, greenhouse managers, and smart home enthusiasts.
Monitor soil. Automate watering. Grow smarter with Sonoff.
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