SKU: 22540653031
wireless soil moisture meter

wireless soil moisture meter Ecowitt WH51L Moisture Meter Deep

$19.17 $21.30
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

wireless soil moisture meter Ecowitt WH51L Moisture Meter DeepFeatures: Measures soil moisture content every 70 seconds in standard cycle and transmit the data via RF. When the current measurement is significant difference from the next time data, RF will enter into quick transmit state and WH51L will transmit the data every 10 seconds. Custom Mode: with 0%AD and 100%AD custom mode to manually calibrate the low high moisture value so that you can get more accurate result for different soil types. This mode can

Features:

  • Measures soil moisture content every 70 seconds in standard cycle and transmit the data via RF.
  • When the current measurement is significant difference from the next time data, RF will enter into quick-transmit state and WH51L will transmit the data every 10 seconds.
  • Custom Mode: with 0%AD and 100%AD custom mode to manually calibrate the low/high moisture value so that you can get more accurate result for different soil types. This mode can only be activated through WSViewplus app and in live data display mode.
  • Long wireless range, up to 300 feet (100 meters) in open areas.

Overview:

1

Soil Moisture Sensor Probe

2

1m/5M PVC Wire

3

LCD Display

4

Battery Compartment

 

Compatible gateways / consoles (Wi-Fi and/or Cellular): GW1100/GW1200/GW2000/GW3000/WS6006/WS6210/HP2550/HP2560/HP3500/WS3800/WS3820/WS3900/WS3910/WN1920/WN1980/WN1820/WN1821/WN1900/WN1910/WN1700

Note: 
1. The sensor may share the same channels with other sensors of the same type.

2. Some data is cloud-only and not available on compatible consoles.

3. Compatibility may change with product updates. Please refer to the latest compatibility table(at the bottom of the product page) or contact us for confirmation.

Specifications:

Moisture Range: 0~99%

Accuracy: ±5%

Resolution: 1%

Working Temperature Range: -10°C to 50°C (14℉ to 122℉)

0%AD setting range: 0~200

Initial value: default to factory calibration

100%AD setting range: 0%AD+10~1000 Initial value: default to its factory calibration

Frequency: 915/868/433MHz depending on location (North American: 915MHz; Europe:868MHz; Other areas: 433MHz)

Sensor reporting interval: 70 seconds

Transmission distance in open field: 100m (300 feet)

Device Housing Waterproof Level: IP66

Sensor Probe Waterproof Level: IP68

Package Included:

  • One Soil Moisture Sensor
  • One Screw ST D5.8*M3*15 Stainless Steel PA for Mounting
  • One Stainless Steel Loop 19~298mm for Mounting
  • One Fix Bracket 35.1x21x20mm Stainless Steel for WN51L
  • One User Manual
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22540653031

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4.1 ★★★★★
Based on 357 reviews
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Product Reviews
W
Verified Purchase
WN
Carnegie, US
★★★★★ 5
Been doing great since 2020
Used this to replace the charging solenoid on my diesel motorhome. Originally used a White-Rodgers OEM relay and it only lasted about 18 months. This has been going strong since 2020 and I use my motorhome about 10 months out of the year with lots of miles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 2, 2024
J
Verified Purchase
Jason Vorbeck
Lowell, US
★★★★★ 1
Buy something better
This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 15, 2025
D
Verified Purchase
Dave Kulina
Fort Morgan, US
★★★★★ 5
Works great
I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2021
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Installed in my RV.
This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2021
K
Verified Purchase
Kyle Seal
Draper, US
★★★★★ 5
Good quality
Used this to relocate my battery to the rear of my longbed truck, flexible and easy to work with
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026

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