Supplementary comparison of air kerma standards for x-ray imaging

In this project eleven participating laboratories will perform a comparison in terms of air kerma for standards used in x-ray imaging measurements. The comparison is performed as a part of EURAMET 22NMR01 TraMeXI project. Four RQR, two RQT, and three newly defined CCPRQ radiation qualities will be used in the comparison and two transfer ionisation chambers will be circulated among the participating laboratories. PTB provides the reference value for the comparison.

The comparison is performed as a part of the EURAMET 22NMR01 TraMeXI project. In this supplementary comparison the responsibilities of a pilot laboratory are shared between STUK (Finland) and VSL (The Netherlands). STUK (as the TraMeXI project coordinator) is the reporting pilot laboratory and responsible for collection of the results and reporting to the EURAMET. VSL (as the TraMeXI leader of the comparison) is the coordinating pilot laboratory and responsible for the organisation of the comparison.