Depending on the base oil and application (engine oil, hydraulic oil), the following parameters can be examined: viscosity at different temperatures, viscosity index, total base number (TBN), blotter spot test, acid number, water content according to Karl Fischer, oxidation stability.
Lubricants
Lubricants are operating materials such as engine oil or hydraulic oil. To check the suitability, recurring samples are taken and examined in test series, fleet tests.