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Using Soil Moisture Readings
Use this table as a general guide to interpret soil moisture readings. Monitoring
the soil moisture readings, and comparing them to your field or lawn condi-
tions over time, will help you develop a better understanding of how to inter-
pret your soil moisture readings.
Centibar Reading
0-10
10-20
30-60
60-100
100-200
Troubleshooting the Soil Moisture Sensor
Use these tests to verify the correct operation of your soil moisture sensor:
1. With the sensor submerged in water, the station should show a reading
between 0 and 5.
2. Let the sensor air dry for 30 to 48 hours. Depending on ambient tempera-
ture, humidity, and air movement, the reading should be 150 or over.
3. Put the sensor back in the water. The reading should run right back to 0 to 5
within 1 to 2 minutes.
4. If the sensor does not pass these tests, please contact Davis Technical Sup-
port for help in resolving the problem.
Contacting Davis Technical Support
If you have questions about your Soil Moisture Station, or encounter problems
installing or operating the station, please contact Davis Technical Support.
Note: Please do not return items to the factory for repair without prior authorization.
(510) 732-7814 – Monday – Friday, 7:00 a.m. – 5:30 p.m. Pacific Time.
(510) 732-9229 – For callers outside the USA or Canada.
(510) 670-0589 – Fax.
www.davisnet.com – Copies of User Manuals are available on the "Support"
page. Watch for FAQs and other updates. Subscribe to the e-newsletter.
support@davisnet.com – E-mail to Technical Support.
info@davisnet.com – General e-mail.
Using Soil Moisture Readings
Soil Condition
Saturated Soil. Occurs for a day or two after irrigation.
Soil is adequately wet (except coarse sands which are drying out at this range)
Usual range to irrigate or water (except heavy clay soils). Irrigate at the upper
end of this range in cool humid climates and with higher water-holding capacity
soils.
Usual range to irrigate heavy clay soils
Soil is becoming dangerously dry for maximum production. Proceed with cau-
tion.
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