ECOWITT WH51B Soil Moisture Sensor: Wireless soil moisture data collection within 72 seconds
For the gardener who wants to move beyond guesswork, the ECOWITT WH51 Soil Moisture Sensor is your tool for precision plant care. This accessory is designed for checking soil moisture in potted herbs on a sunny windowsill or monitoring a vegetable garden bed, ensuring your plants get the right amount of water without over or under-doing it.
Think of it not just as a sensor, but as a silent assistant that helps you connect with your garden's needs. Paired with a compatible Ecowitt gateway (sold separately), it transmits data to your phone via the WS View Plus app, so you can see moisture levels from anywhere. The IP66 waterproof design means it works reliably outdoors in rain or indoors for houseplants. You will appreciate how it gives a clear reading within 72 seconds when fully inserted, letting you act quickly before plants show stress. This home monitoring device supports Alexa compatible systems for voice updates, making it easy to integrate into your smart home setup. Use it to set email alerts for dry soil, so you are notified before your plants wilt, turning routine watering into a proactive habit.
Features
- Supports pairing with various Ecowitt gateways and consoles
- Uploads data to Ecowitt weather server for graphs and alerts
- IP66 waterproof for indoor and outdoor use
- Requires separate gateway for operation
- Wireless soil moisture data collection within 72 seconds
General specs
- Brand: ECOWITT
- Model: WH51B
- Seller: Amazon
- ID: B07JM621R3
- Brand: ECOWITT
- Model: WH51, WH51B
- Application: Potted Plants, Lawn, Garden, Farm
- Limitations: Accessory Only, Cannot Be Used Alone, No Direct Display, Measures Soil Moisture Only, Avoid Hard/Rocky Soil
- Product Type: Soil Moisture Sensor, Soil Humidity Tester
- Compatibility: GW1000 Wi-Fi Gateway, GW1100 Wi-Fi Gateway, HP2551 Weather Station Console, HP3500 Weather Station Console, HP3501 Weather Station Console, WH0291 Console
- Alert Features: Email Alerts
- Measurement Time: 72 seconds
- Usage Environment: Indoor, Outdoor
- Waterproof Rating: IP66
- Wireless Frequency: 915MHz, 868MHz, 433MHz
- Channel Customization: Editable Channel Names
- Capability Data Upload: Ecowitt Weather Server
- Data Platforms Viewing: WS View Plus App, Ecowitt App, Ecowitt Weather Server (ecowitt.net), Weather Station Console Display
- Gateway Max Per Sensors: 8
- Data Method Transmission: Wireless
- First listed by seller: 3/11/26
If you are interested in more details, you can find full information on the seller's page.
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| Brand | ECOWITT | ECOWITT | Walfront | Eujgoov | ||
| Model | WH51B | GW1106 | ||||
| Color | ||||||
| Rating |
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| Price | $24.99 | $41.99 | $12.88 | $38.30 | $37.27 | $26.99 |
| Seller | Amazon | Amazon | Banggood | Amazon | Amazon | Amazon |
| Update | May 27, 2026 | May 20, 2026 | May 9, 2026 | May 20, 2026 | May 27, 2026 | May 27, 2026 |
| Compatibility | GW1000 Wi-Fi Gateway, GW1100 Wi-Fi Gateway, HP2551 Weather Station Console, HP3500 Weather Station Console, HP3501 Weather Station Console, WH0291 Console | Automatic Watering Systems | Works with Irrigation System, Pairs with Smart Devices | |||
| Waterproof Rating | IP66 | IP66 | IP66 | IP66 | ||
| Features | Real-time data viewing, Email alerts, Remote monitoring, Data history download, Channel name editing | Zigbee3.0 wireless signal transmission, Temperature and humidity data can be viewed on the mobile app, Wi-Fi/Zigbee3.0 intelligent automatic linkage (can be connected to automatic irrigation equipment), Can be planted in the soil for long periods of time with real-time monitoring, simple and convenient operation, Splash-proof design, simple and stylish appearance, beautiful and practical, and long-lasting, Made of high-quality ABS material, long-lasting and corrosion-resistant, with a long service life, Real-time monitoring of current soil conditions and moisture content, with rapid response and accurate measurement | Real-time Monitoring, Historical Data Tracking, Alerts, Wireless Operation, No Battery Replacement Required | |||
| Connectivity | Wi-Fi | WiFi, Tuya APP | WiFi, Tuya APP | Bluetooth, 2.4GHz WiFi | ||
| Power Source | Solar | Battery (Not Included) | 3 AAA batteries (not included) | |||
ECOWITT WH51B
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