Apparatus and instruments for partial discharge measurement, partial discharge monitoring and partial discharge diagnosis for power supply systems and power supply components; partial discharge measurement, partial discharge monitoring and partial discharge diagnosis equipment for power supply systems and power supply components; partial discharge measurement, partial discharge monitoring and partial discharge diagnosis software for power supply systems and power supply components; the aforementioned goods in particular for online partial discharge measurements and partial discharge monitoring at electrical high-voltage equipment and the diagnosis of the insulation condition of electrical high-voltage equipment; apparatus for the computer administration of power supply systems and power supply components.

Repair, installation, maintenance and putting into service of electronic devices, in particular of electronic devices for power supply systems and power supply components; providing services of maintaining electronic devices, including those for power supply systems and power supply components, to third parties.