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No-App Moisture Meters
Compare analog probes and basic digital LCD testers, and avoid app, hub, pairing, battery, and leave-in surprises before you buy.
ECOWITT WH51L Soil Moisture Sensor with LCD Display and 1m PVC Wire Probe
For gardeners and plant enthusiasts who need to know exactly when their soil needs water, the ECOWITT WH51L soil moisture sensor takes the guesswork out of irrigation. Unlike basic sensors that only measure shallow moisture, this updated model features a 1m/3.28ft PVC wire probe that reaches deep into the soil—up to 80cm—so you can monitor moisture at the root zone where it matters most. The built-in LCD screen shows real-time moisture data right at the sensor, saving you from checking an app every time.
What sets the WH51L apart is its dual functionality: you can pair it with an ECOWITT Wi-Fi gateway (sold separately) to stream data to your phone via the Ecowitt app, or use a compatible display console for on-screen readings. The sensor sends alerts when soil is too dry or too wet, helping you avoid overwatering and root rot. Its IP68 waterproof probe withstands harsh outdoor conditions, and you can customize calibration for different soil types. Perfect for vegetable gardens, flower beds, or potted plants, the WH51L ensures your plants get the right amount of water every time.
Features
- 1m PVC Wire Probe
- Measures Deeper Soil Moisture
- IP68 Waterproof Rating
- Pairs with Wi-Fi Gateway
- Supports Up to 8 Channels
- Custom Calibration with AD Values
- Works with Display Consoles
- LCD Display for Real-Time Data
General specs
- Brand: ECOWITT
- Model: WH51L
- Seller: Amazon
- ID: B0CN6PSKB5
- Type: Soil Moisture Sensor
- Brand: ECOWITT
- Model: WH51L
- Calibration: Custom mode, AD values based on humidity
- LCD Display: Yes
- Cable Length: 3.28 ft
- Power Source: Battery (not specified)
- Compatibility: ECOWITT Wi-Fi Gateway (sold separately), ECOWITT Consoles (sold separately)
- Depth Measured: 2.62 ft
- Data Display Mode: Real-time on LCD, via APP
- Waterproof Rating: IP68
- Measured Parameter: Soil Moisture
- Wireless Frequency: 915 MHz
- Sensor Probe Length: 3.28 ft
- Channels Max Supported: 8
- Placement Recommendation: Place device body at least 0.66 ft above soil surface
- Operating Temperature Range: Not specified
- First listed by seller: 5/20/26
If you are interested in more details, you can find full information on the seller's page.
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Top live offer
$39.99
Free shipping
New
Third-party seller
FBA
Shippable
Offers updated: 6/1/26
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | ECOWITT | ECOWITT | Gardena | |||
| Model | WH51L | WH51B | 19040-20 | |||
| Color | ||||||
| Rating |
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| Price | $39.99 | $29.99 | $19.77 | $24.99 | $155.77 | $21.26 |
| Seller | Amazon | Amazon | Banggood | Amazon | Amazon | Banggood |
| Update | May 20, 2026 | Apr 29, 2026 | May 9, 2026 | May 27, 2026 | Apr 19, 2026 | May 9, 2026 |
| Power Source | Battery (not specified) | 3 AA batteries | Battery operated | 2 AA batteries (not included) | ||
| Waterproof Rating | IP68 | IPX5 | IP66 | IP67 | ||
| Connectivity | Wireless | WiFi | Gardena smart App, without smart Gateway (required) | |||
ECOWITT WH51L LCD Display for Real-Time Data
$39.99
When this device makes sense
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