Technical Papers
Published papers on proficiency testing and metrology
Our technical papers cover various aspects of proficiency testing, measurement uncertainty, and laboratory quality. These papers have been presented at national conferences and provide valuable insights for calibration professionals.
Experience Gained from Offering Accredited 3rd Party Proficiency Testing
Discusses insights from three years of third-party proficiency testing operations and two years of accreditation experience. Explores how technical insight into the measurement processes analyzed is at least as important for the proficiency testing provider as comprehensive statistical knowledge. Examines trends in accredited laboratory performance and real-world examples where testing provided genuine value.
Download PaperDetermining Consensus Values in Interlaboratory Comparisons and Proficiency Testing
Addresses reference value determination and associated uncertainty in proficiency testing. Explores methods for calculating consensus values when reference laboratories aren't available. It is crucial that these values are reliable, i.e. they are correct within their stated uncertainty.
Download PaperCan Proficiency Testing Add Value?
Examines proficiency testing's role in laboratory accreditation and risk reduction. Discusses the normalized error (En) approach and proper result interpretation. Highlights potential costs when laboratories misinterpret proficiency test conclusions.
Download PaperCMMs and Proficiency Testing
Analyzes coordinate measuring machine (CMM) measurement variations. Discusses why proficiency testing serves as a valuable reality check for how well one can measure with a CMM.
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