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SMSD 20 detects the optimum compaction quality

There is a percentage meter display mode for our detector with straight forward bold LED dots. Optimum compaction quality has been reached once the number of illuminated LED lamps in the display stops increasing. Unnecessary passes and, equally important, the risk of over-compaction can be avoided. A roller or vibratory plate with SMSD 20 saves time and money while improving the quality of work.

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How SMSD 20 System works

The system uses the interaction between the dynamic stiffness of the soil and the acceleration of the exciter installed in the roller or vibratory plate. The subsoil stiffness rises as compaction increases. Then the value of the reactive acceleration also increases. This value is measured and recorded by a sensor located on the exciter, then analysed and finally visualised on the LED display.

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