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Description
The profile screw based on Campbell Scientific SoilVue 10 is a high-precision soil profile probe designed for continuous monitoring of volumetric water content, electrical conductivity, permittivity, and temperature at multiple depths.
Using Campbell Scientific’s TrueWave™ TDR technology, it delivers laboratory-grade accuracy in demanding field environments, making it ideal for long-term research, environmental monitoring networks, and precision agriculture.
Key Benefits and Applications
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Multi-depth soil profiling (6 or 9 layers per probe)
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Threaded design for optimal soil contact and minimal disturbance
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Fast, low-impact installation with a standard 5 cm hand auger
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Designed for long-term outdoor use in harsh environments
Technical Specifications
| Feature | Values |
|---|---|
| Measurement principle | Time-Domain Reflectometry (TDR) |
| Measured parameters | Volumetric water content (VWC), permittivity (ε), electrical conductivity (EC), temperature (°C) |
| Measurement depths | 0.5 m probe: 5, 10, 20, 30, 40, 50 cm / 1.0 m probe: 5, 10, 20, 30, 40, 50, 60, 75, 100 cm |
| VWC range | 0 – 100 % VWC |
| Permittivity range | 1 – 80 |
| EC range | 0 – 10 dS/m |
| Accuracy | VWC ±1.5 % (typical); EC ±2 % (0–2.5 dS/m), ±5 % (full range); Temperature ±0.15 °C (–30 … +40 °C); Permittivity ±1 unit (4 – 42) |
| Response time | ~1 min (0.5 m probe), ~1.5 min (1.0 m probe) |
| Operating temperature | –40 … +60 °C |
| Power supply | 9 – 36 V DC |
| Current drain @ 12 V DC | ~1.5 mA (quiescent), ~64 mA (active) |
| Output signal | SDI-12 v1.4 compliant |
| Probe diameter | 5.8 cm (2.3 in) with threads |
| Length / Weight | 0.55 m / 1.9 kg or 1.05 m / 3.6 kg |
| Maximum installation torque | 54 N·m (40 ft·lb) |
