nivelSWISS (formerly called Niveltronic) is a precision inclination measuring instrument to measure machine tools. The technology of the NivelSWISS has proven itself in the machine tool industry during over 40 years and the instrument is still very popular due to its excellent stability and good readability. The instrument has been improved several times during the last years and is now available even with digital display (NivelSWISS-D). Its excellent stability makes NivelSWISS a perfect choice for extended measurements of geometry or for adjustments of very long guideways.