SoilVue 10 TDR Soil Moisture and Temperature Profile Sensor
Easy to Install
Excellent Soil Contact
weather applications water applications energy applications gas flux and turbulence applications infrastructure applications soil applications


The SoilVue™10 is a soil water content profile sensor powered by Campbell TrueWave™TDR technology. This soil moisture, electrical conductivity, and temperature profile sensor was developed with environmental researchers and environmental monitoring networks in mind. The SoilVue 10 represents several exciting advancements in in-situ soil measurement that should make this an extremely compelling option for anyone in these applications who needs to make multiple measurements in a profile. 

Campbell Scientific’s proprietary TrueWave TDR technology combines a best-in-class rise time with an advanced waveform analysis technique to determine the true travel time of a high-frequency pulse. This process achieves a high-resolution, smooth signal for measurements that are defensible and can be universally compared with other TDR measurements. Not all TDR-based sensors perform equally well.  

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Benefits and Features

  • Measures VWC, permittivity, EC, and temperature
  • Six or nine depths measured with one sensor
  • Quick and low-impact installation
  • Digital output is compatible with most Campbell Scientific data loggers
  • Designed for long-term outdoor operation
  • TrueWave TDR technology is proven and trusted


Detailed Description

The SoilVue 10 consists of TDR circuitry connected to a series of six or nine helical wave guides that make up part of the overall threaded design. The threaded design with individual sensors built into the threads improves sensor contact with the soil to reduce potential error from air gaps. The TDR circuitry generates a short rise time electromagnetic pulse that is applied to the helical wave guides. The elapsed two-way travel time of the applied pulse is used to calculate the dielectric permittivity of the surrounding media and determine the volumetric water content using a mixing model.

The soil water content profile sensor can be installed in a hole made by a standard 5 cm (2 in.) hand auger. Excavation machinery or expensive custom tools are not necessary to install the sensor.

The included cable has an IP67 rated M12 connector that is detachable from the sensor for easy field replacement if the cable becomes damaged.

Aspen 10-Compatible IoT Solution

The SoilVue 10 can be paired with the Aspen™10 Internet of Things (IoT) Edge Device. To get next-gen IoT solutions for advanced meteorological monitoring, click the image below:

SoilVUE 10 + Aspen 10 Solutions


Measurements Made Volumetric water content (VWC), permittivity, electrical conductivity (EC), and temperature
Operating Temperature Range -40° to +60°C
Maximum Installation Torque 54 N m (40 ft⋅lb)
Operating Voltage Range 9 to 36 Vdc
  • 5.2 cm (2.05 in.) without threads
  • 5.8 cm (2.3 in.) including threads
Maximum Cable Length 304.8 m (1,000 ft)
Length 0.55 m/1.05 m (21.5 in./41.2 in.) depending on the option ordered
Weight 1.9 kg/3.6 kg (4.2 lb/7.9 lb) depending on the option ordered

Current Drain

Active ~64 mA (@ 12 Vdc)
Quiescent ~1.5 mA (@ 12 Vdc)

Measurement Depths

0.5 m Option 5, 10, 20, 30, 40, and 50 cm (2, 4, 8, 12, 16, and 20 in.)
1 m Option 5, 10, 20, 30, 40, 50, 60, 75, and 100 cm (2, 4, 8, 12, 16, 20, 24, 30, and 40 in.)

Electrical Conductivity

Range 0 to 10 dS/m
  • ±2% (0 to 2.5 dS/m)
  • ±5% (full range)

Relative Dielectric Permittivity

Range 1 to 80
Accuracy ±1 permittivity unit (between 4 and 42 permittivity)

Volumetric Water Content

Range 0 to 100%
Water Content Accuracy ±1.5% typical with most soils

Soils with high organic matter (> 12% soil organic carbon) or high clay content (> 45% clay) may need a soil-specific calibration due to the dispersive nature of these materials.

Soil Temperature

Accuracy ± 0.15°C (between -30° and +40°C)


Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
Aspen 10
CR1000 (retired)
CR3000 (retired)
CR800 (retired)
CR850 (retired)


SoilVue 10 Example Program v.1 (1 KB) 12-03-2020

This example CR6 program collects the volumetric water content, relative permittivity, soil temperature, and bulk electrical conductivity for each depth of a 0.5 m SoilVue 10 probe.

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