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Vernier Software & Technology

Soil Moisture Sensor

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The Soil Moisture Sensor is used to measure the volumetric water content of soil. This makes it ideal for performing experiments in courses such as soil science, agricultural science, environmental science, horticulture, botany, and biology.

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.

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Specifications

  • Range: 0 to 45% volumetric water content in soil (capable of 0 to 100% VWC with alternate calibration)
  • Accuracy: ±4% typical
  • Typical Resolution: 0.1%
  • Power: 3 mA @ 5VDC
  • Operating temperature: –40°C to +60°C
  • Dimensions: 8.9 cm × 1.8 cm × 0.7 cm (active sensor length 5 cm)
Download the user manual for full specifications

Experiments and Lab Ideas

Select a lab book to see a list of experiments and more information.

Compatibility Requirements

The Soil Moisture Sensor may require a compatible interface and software. Choose a platform below to see compatible interface and software options.

What’s Included

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
Soil Moisture SensorSMS-BTA$95

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Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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