Proficiency Test on DGA on Transformer Oil finished

The full report can be downloaded (as .pdf-file). To download the report, please click the right mouse button and choose the "save as" option.

Download the report (iis15L11) of this Proficiency Test on DGA on Transformer Oil .

For viewing the report you will need Adobe Acrobat Readerget acrobat


Summary of this proficiency test:

On 10 February 2016, the proficiency test on DGA on Transformer Oil (iis15L11) was finished. It started on 4 November 2015  (see message 'Proficiency Test on DGA on Transformer Oil started') when the samples were distributed.

In this interlaboratory study 48 participants in 24 countries have participated.

The proficiency test report summarises per test, the test results, the analytical methods reported by the participants and the z-scores calculated for each participant are tabulated. Also, for each test, the calculated summary (e.g. mean, standard deviation and reproducibility) is given.

In the report also an evaluation of the test results is given. Problems encountered in the analyses are mentioned and - where possible - suggestions for quality improvement are formulated. For each test a comparison is made between the results of the group of participants and the requirements given by the relevant standard (e.g. ISO, ASTM, EN).