Measuring and analysis instruments Anton Paar produces high-end measuring and laboratory instruments for industry and research. It is the world leader in the measurement of density, concentration and CO2 and in the field of rheometry. Anton Paar is owned by the charitable Santner Foundation. High-precision production and close contact to the scientific community Over 1000 employees at the headquarters in Graz, Austria and the twelve sales subsidiaries worldwide ensure that Anton Paar products live up to their excellent reputation. The core competence of Anton Paar - high-precision production- and close contact to the scientific community form the basis for the quality of Anton Paar’s instruments. Oscillating U-tube: a milestone A milestone for the company and Anton Paar in general was the development of the first digital density meter using the oscillating U-tube principle by Dr. Hans Stabinger in the late 1960s. Strong sales network Anton Paar’s strong sales network in more than 80 countries guarantees customers rapid support and answers to their application and service queries.