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The Medusa density system uses the absorption of radiation by soil to accurately determine the in-situ density of the soil. The system comprises an artificial radioactive source which is positioned at a known location in the soil. The Medusa density meter uses advanced algorithms to accurately determine the natural radiation emitted by the soil. As a result, the measurement can be corrected for natural occurring radiation, which makes it possible to use a radioactive source with such a low activity, that no legislation is required to work with the device. This contrary to more traditional systems.

Another advantage of the Medusa approach is that by determining the origin of the background radiation, soil concentrations for K, Th and U can be determined, providing useful information on the soil.

We are very flexible and can expand our system to include different sensors, such as moisture or pH sensors. Our system readily provides results in the field, but can be used as a data logger as well. The system is linked to a GPS device by default, to link soil properties to a location.

Our methodology to determine the soil density has been tested both in the field and in the lab by Delft University with results being confirmed by other methods. Medusa density meters have been used on three different continents for road construction, land reclamation projects and for the creation of erosion models.

Read more about the advantages of our system in the links below or give us a call at +31 50577 0280 or email us at: .

 

More information:

-A new radiometric instrument for insitu measurements of physical sediment properties