Vebko is a company that provides testing solutions for various devices, including relays. In the "VebkoSource.pdf" document, there is information about entering relay information in software, performing tests, and recording data. The document mentions sections such as "Device," "Extra Data," "General Information," and "Test Object" where relevant information can be entered. It also discusses the wiring configurations and boards designed by Vebko to facilitate testing. For specific details and instructions, please refer to the "VebkoSource.pdf" document. https://vebko.org/en/Default.aspx