Welcome to the IEH transformer diagnostics website

On this website several methods of transformer oil diagnosis are presented. These are direct verification of the oil condition to their conformity to standards and the gas-in-oil analysis (DGA). For the latter, various known methods of interpretation are applied.


In addition, after registering it is possible to save the entered data or the analysis results and a PDF report can be generated.


The IEH cannot accept any responsibility for the accuracy of provided information.