Soil Sensor

  • Soil Moisture Sensor Probe Features

    • Extreme low cost with volume pricing.
    • Not conductivity based.
    • Insensitive to salinity.
    • Probe does not corrode over time.
    • Rugged design for long term use.
    • Small size.
    • Consumes less than 7mA for very low power operation.
    • Precise measurement.
    • Measures volumetric water content (VWC) or gravimetric water content (GWC).
    • Output Voltage is proportional to moisture level.
    • Wide supply voltage range.
    • Can be buried and is water proof.
    • Probe is long and slender for wider use, including smaller potted plants.

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Product Description:

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.

Because our probe measures the dielectric constant of the soil using transmission line techniques, it is insensitive to water salinity, and will not corrode over time as does conductivity based probes. Our probes are small, rugged, and low power.

Compared to other low cost sensor such as gypsum block sensors, our probes offer a rapid response time. They can be inserted and take an accurate reading in under a second.

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