A measurement system is a source of streaming data. Best supported is data of type timeseries of double values. A double-timeserie is called channel.

Multiple measurement systems can be used, even more than one of the same type.

If Rotations should be read in the form of 3×3-Matrixes from the sensors but the sensors does not define should data they are automatically asked for roations in quaterion format. The quaternions are automatically converted into matrixes.