What is the difference between the test phantom Primus A and Primus L?
The mechanical structure of the two phantoms is different.
The Primus L meets the requirements of DIN 6868-4:2007-10 and was designed accordingly.
The Primus A represents DIN 6868-150 and DIN 6868-4:2020-10.
In addition to the difference in the mechanical structure, the Yterbium field has been removed from the Primus A.
The Primus A is printed on the top and bottom side.