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Davis 6440 Soil Moisture Sensor

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  • Davis Weather 6440 Soil Moisture Sensor

List Price: $89.00 On Sale: $84.85 (GST Included) (You save 4.66%)

SKU: 6440


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How To Build A Bundle

The following accessories can be bundled with your purchase by checking the green ‘Include with Product’ button. You can add as many items to your order as you require and then simply ‘Add to Cart’ to complete order.

Product Info

Product Info

Check out the Davis 6440 Soil Moisture Sensor's Key Features
(Davis 6440)

  • Genuine Australian 1 Year Davis Warranty
  • Peace of Mind Purchase Guarantee (bottom of page)
  • Measures the moisture level of the soil
  • Does not require periodic maintenance
  • Includes 4.6 m cable
  • Requires the Davis 6345AU Leaf & Soil Moisture/Temperature Station (sold separately)
  • Add-On Sensor compatible with Vantage Pro and Vantage Pro2 systems


Davis 6440 Soil Moisture sensor uses electrical resistance to measure the moisture level of the soil. To use the Davis 6440 soil moisture sensor, it must be connected via a Davis 6345AU Leaf & Soil Moisture/Temperature Station (sold separately). Simply bury the Davis 6440 sensor at the desired depth, then monitor moisture levels throughout the season. It does not require periodic maintenance during the growing season.

Add up to four Davis 6440 soil moisture sensors to the Davis 6345AU Leaf & Soil Moisture/Temperature Station.

The Davis 6440 is compatible with both original Vantage Pro and Vantage Pro2 stations.

Davis Instruments

Davis Instruments, a privately held manufacturing company and developer of exceptional instruments for weather, marine, and automotive use, prides itself on innovative, high-quality products and services at reasonable prices. They are located in Hayward, California and have consistently continued growing for 53 years.

In The Box

What's Included?

  • Davis 6440 Soil Moisture Sensor
  • 4.6 m Cable

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