We have condensed the true TDR measurement method, which was only possible with large systems, into a compact sensor.
The M2980CM-426SHE condenses a true TDR measurement method, which was only possible with traditional large systems, into a compact sensor thanks to breakthrough technology. The small sensors referred to as traditional TDR methods actually employed simplified measurement techniques, but the M2980CM-426SHE measures true dielectric constant using a groundbreaking TDR method that is currently patent pending. In fact, waveform data can be obtained from this compact sensor. The M2980CM-426SHE is a standard model tailored for low power consumption and is compatible with many soil types. The M2980CM-426SNE has higher power consumption but is suitable for high-salinity soils. The M2980CM-421SWE is a model with a rod length of 10 cm, designed for spaces with restrictions, such as rock wool or cultivation pots. It can be directly connected to a data logger and, like TDT soil moisture sensors, is maintenance-free, allowing for long-term continuous observation. It can measure not only soil moisture (volumetric water content) but also conductivity (EC), temperature, and dielectric constant in the soil.
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■Features ● The needle-shaped rod can be inserted into the soil. ● Capable of measuring not only soil moisture (volumetric water content) but also electrical conductivity (EC), temperature, and dielectric constant in the soil. ● SDI output. ● High accuracy and long-term stability. ● Usable in clayey soils and soils with high salinity. ● Potential for measuring moisture content in grains. ● Can measure apparent dielectric constant (ε), allowing for the use of a unique formula (ε-θ relationship) tailored to the soil. ● Response improved by 30% compared to the old type.
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Moisture sensor
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