Add the WH51 sensor to the Ecowitt WiFi gateway or weather station to add soil moisture readings to you weather data. Upload data to the Ecowitt network to view a history of soil data. 

Up to 8 soil sensor readings are available to view in the App, or online via Ecowitt.net and in the 3rd party websites that support this sensor types. 

Features

• Measures soil moisture
• Configure for use with an Ecowitt gateway or weather stations
• 868MHz UK / European frequency 
• View readings directly on the phone/tablet App
• Supports up to 8 soil sensors. Each new sensor will be recognised as a new channel according to the power-on sequence. Please don't forget to label the channel on each sensor for distinction
• Works with WH0291 Display Console (sold separately) 
  
• Upload data to the Ecowitt weather server to view history graphs and download the date from the website
  

Important Tip:

1. Do not push the sensor into stoney or rocky soil. If the soil is too hard and dry, the sensor can easily be damaged.
2. Design for testing soil ONLY.
3. It is recommended to totally insert the sensor into the soil and keep it in place for 2 to 3 minutes to get an accurate reading.

Includes

• WH51A Soil Moisture Sensor
• Manual via electronic delivery

Technical & Manual

Technical information for the WH51A soil moisture sensor. 

• Moisture Range:0~100%; Resolution: 1%
• 0%AD setting range:70~200; Initial value:70
• 100%AD setting range:0%AD+10~1000; Initial value:500
• Transmission distance in open field: 100m (300 feet)
• 68MHz UK / European frequency 
• Sensor reporting interval: 70 seconds
  
• Power: 1 x AA LR6 Alkaline battery

A copy of the WH51 Soil Moisture sensor manual is available by clicking here.

Important Tip:

1. Do not push the sensor into stoney or rocky soil. If the soil is too hard and dry, the sensor can easily be damaged.
2. Design for testing soil ONLY.
3. It is recommended to totally insert the sensor into the soil and keep it in place for 2 to 3 minutes to get an accurate reading.