The Soil Moisture Sensor uses capacitance to measure the water content of soil (by measuring the dielectric permittivity of the soil, which is a function of the water content). Simply insert this rugged sensor into the soil to be tested, and the volumetric water content of the soil is reported in percent.
Features:
• Accurately measures soil moisture using patented modified TDT technology
• Self-calibrates to all soil types and conditions
• Soil moisture readings are within ±3% of the actual volumetiric soil moisture content
• Measurement ranges from 5% moisture to fully saturated soil
• Capable of measuring changes of less than 0.1%
• Measures soil temperature
• Moisture readings are consistent in salty conditons
• Sensor is completely sealed – no electrical contact with soil eliminates any electrostatic degradation
or Galvanic corrosion of the sensing element
• Power surge resistant
• Shock resistant
• Not affected by salts or fertilizers
• Provides automatic and continuous measurements of soil moisture and soil temperature
• Has true two-way communication using a 9-byte packet for commands and replies
• Capable of self-identifying to the two-wire controller and will report pre-configured unique serial
numbers
• Has one pre-assigned serial number
• Has standard error collision detection and will resend messages on the two-wire
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