A3 Wifi Soil Moisture Sensor with Irrigation App


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Monitor the soil moisture, air temperature, and humidity in your greenhouse from anywhere, anytime. Perfect for irrigation management, A3 Soil Moisture Sensor with IOT smart farming technology uses Wifi to send hourly soil moisture readings to the EarthScout app on your phone or laptop to help you maintain the ideal amount of water and nutrients for your crops. It can run up to 3 environmental probes at a time to monitor soil moisture, temperature, EC, air temperature, and humidity - helping you maintain the ideal amount of water, nutrients, and light for your crops. TDR Soil Moisture Sensors are easy to install, accurate, and don’t disturb the soil. For irrigation, set your low and high soil moisture range in the EarthScout App (e.g. 9.5% - 16%) and the app will display the real-time soil moisture percent, the inches of water needed to reach 16% moisture, and the dry down distance to 9.5%. A3 Wifi Soil Moisture Sensor helps you reduce irrigation costs, and qualifies for most state and federal water conservation rebates. Compare EarthScout Products.

A3 Wifi Soil Moisture Sensor includes:

  • EarthScout App with Irrigation Management
  • 1 TDR Soil Moisture Sensor (monitors soil moisture, temp, & EC)
  • 3 Plug & Play Sensor Ports (run up to 3 sensors - see Features & Benefits)
  • Battery and Mounting Stake
  • 120V AC Adapter (plug-in to provide power and charge battery)
  • Wifi Data Plan: $1.99/month
  • 5-STAR Installation & Technical Support

    Configure Your Product:

    • Wifi Data Plan *

    • Add Sensors (Optional): *

      Air Temperature/Humidity Sensor

      Plug-in this sensor to monitor air temperature and humidity. Also useful for calculating growing degree units for estimating the growth and development of crops and pests.

      $82.00 each   |  


      TDR Soil Moisture Sensor

      Plug-in a second research grade TDR Soil Moisture Sensor to your EarthScout. Then insert the metal tines in the soil to monitor soil moisture, soil temperature, and soil electroconductivity at a second soil depth. Learn more about the benefits of TDR Soil Moisture Sensors below.

      $451.00 each   |  


    • Add Accessories (Optional): *

      Quick Install Burial Tube

      Once installed in the soil, quickly install or remove TDR Soil Moisture Sensors at various depths without digging another hole.

      $80.00 each   |  


      Extra Battery

      4 Volt battery for use in EarthScout L3, A3 and WeatherScout 1 products.

      $27.00 each   |  


    • Add Reports (Optional): *

      End-Of-Season Agronomic Report

      One (1) field data summary for the previous season. Useful for corporate farm reporting, conservation program compliance, or historical reference.

      $129.00 each   |  


    • Extend Warranty (Optional): *

      3-Year Extended Limited Warranty

      Extend your 1-year limited warranty to 3-years.

      $199.00 each   |  



    Standard production time is 4-6 weeks for all EarthScout units and will be shipped via FedEx Ground. For expedited production or shipping options, please contact our sales team at 877-443-7632.