The German Reference Office for Proficiency testing and Reference materials (DRRR) is an ISO/IEC 17043 accredited proficiency testing provider and provider of certified reference material. We are active in the field of chemical-physical, microbiological and organoleptic analysis as well as mechanical-technological materials testing and related fields.
Our customers come from the processing industry or are official and private test laboratories. These companies come from the food industry, the packaging industry, the automotive industry, the plastics industry, the textile industry or the construction industry, among others. All areas of the value chain are covered, from raw material suppliers to end producers.
In addition to our standard program of more than 700 proficiency tests,, we also offer individually organized proficiency tests for associations and working groups. these can also be used for the qualification of suppliers. The generation of precision data for standardization work can also be a goal of individually organized round robin tests.
We offer you a wide range of certified reference materials adapted to the DRRR proficiency tests. Reference materials can be used, for example, for continuous quality monitoring, staff training or the calculation of measurement uncertainty.
Individual monitoring programs and quality consulting with auditing and evaluation according to ISO/IEC 17025, as well as training courses for quality assurance in laboratory and production complete our range of services.