Soil moisture - Frequency domain (SMT100)

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Contents

Parameter to be measured:

Soil moisture, permittivity, soil temperature

Method:

Frequency Domain Sensor

Equipment:

SMT100 (TRUEBNER Instruments)

Advantages:

Low cost Easy to install, compatible with many loggers (RS485, SDI-12 or analog interface)

Disadvantages:

Soil specific calibration required for highest accuracy

What to watch out for:

Good contact between probe and medium required

Links

Projects that used the above equipment:

Personal tools