The Davis 6440 Soil Moisture Sensor for use with wireless Temperature, Leaf Wetness and Soil Moisture monitoring station.
The Watermark Soil Moisture Sensor is an indirect, calibrated method of measuring soil water content. It is an electrical resistance type sensor. The Soil Moisture / Temperature Station converts the electrical resistance reading from the sensor into a calibrated reading of centibars of soil water suction with a range from 0 to 200 centibars.
Simple two wire connection to wireless monitoring station.
UK Shipping & Delivery
- Economy Delivery (£4.70 or free on orders over £80) 2 to 6 working days
- Standard Delivery (£5.90) 1 to 2 days for mainland UK
- Express Delivery (£8.95) guaranteed next working day for mainland UK. Highland and Islands, Northern Island 2 to 3 working days. Available on orders placed before 11am
Europe & Rest of World Shipping & Delivery
- Europe (from £4.50) per order
- Rest of the World (from £9.60) per order
Please note that there may be local import duties (VAT/TVA) to be paid on before receipt of your goods from your local customs agent. We are registered with the European IOSS scheme which means duties will be prepaid for orders under €150
Our full shipping policy can be read here.