Solution
Soil moisture and rock movement
Sensors measuring water and temperature in the ground for farming, research and infrastructure – and systems that monitor movement in rock and mines with TDR technology.
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What we measure
Measuring in the ground takes the right sensor, the right installation and a program that interprets the signals.
Soil moisture
The water content of the soil at one or more depths, for irrigation, farming and research.
Soil temperature
Temperature at different depths, for example for frost and the growing season.
Soil conductivity
Electrical conductivity, which says something about nutrients and salt in the soil.
Rock movement with TDR
A coaxial cable in a borehole, where a TDR measurement shows where and when the rock moves.
Groundwater
Level in groundwater wells with pressure sensors.
Weather on site
Precipitation and temperature needed to interpret the soil water balance.
What your data can look like
Soil moisture at three depths over two weeks. The rain shows up near the surface first and reaches deeper layers later.
Example with made-up values.
About live data pages →| Time | 10 cm | 30 cm | 60 cm |
|---|---|---|---|
| day 1 00:00 | 24.0 % | 26.5 % | 29.6 % |
| day 2 00:00 | 23.8 % | 26.4 % | 29.6 % |
| day 3 00:00 | 23.6 % | 26.3 % | 29.5 % |
| day 4 00:00 | 23.3 % | 26.2 % | 29.5 % |
| day 5 00:00 | 33.0 % | 29.5 % | 29.5 % |
| day 6 00:00 | 29.6 % | 30.9 % | 30.3 % |
| day 7 00:00 | 27.2 % | 29.8 % | 30.8 % |
| day 8 00:00 | 25.6 % | 28.9 % | 30.9 % |
| day 9 00:00 | 24.4 % | 28.1 % | 30.8 % |
| day 10 00:00 | 23.5 % | 27.5 % | 30.6 % |
| day 11 00:00 | 27.0 % | 27.6 % | 30.5 % |
| day 12 00:00 | 25.1 % | 28.5 % | 30.5 % |
| day 13 00:00 | 23.8 % | 27.8 % | 30.7 % |
| day 14 00:00 | 22.8 % | 27.2 % | 30.6 % |
| day 15 00:00 | 22.0 % | 26.7 % | 30.5 % |
How we deliver
The same person follows your station from the first sketch to service.
Design
Choice of sensors and depths, and a plan for installation in soil or boreholes.
Installation
Installation of sensors and cables, and commissioning of logger and communication.
Data collection
Data via telemetry, with calculations and alarms in the logger program.
Service
Service, sensor checks and remote troubleshooting.
Equipment we use
We choose instruments to suit the site and the task. These are often part of it.
Frequently asked questions
How does TDR work in rock?
A coaxial cable is grouted into a borehole. When the rock moves, the cable is deformed, and a TDR measurement shows where along the cable it happened.
How many soil moisture sensors are needed?
It depends on the soil type, the crop and what the measurement is for. Often several depths are measured at the same point.
Can you write the programs for the measurement?
Yes. We write CRBasic logger programs that interpret the signals, calculate the values and raise alarms when needed.
Related solutions
Measuring in soil or rock?
Tell us what needs monitoring, and we will suggest sensors, installation and data collection.