ISOBudgets is a great resource for calibration/testing labs in researching and attaining ISO/IEC 17025:2017 accreditation. They have tools and training available from their website, plus a great blog you have to check out!
Articles
Probability of False Acceptance Estimation for Asymmetrical Tolerances
by Pedro Adame One of the newest, hence less studied standards for calibration is the ANSI/NCSL International Z540.3 standard. The main difference with the more known ISO/IEC 17025 standard is the need to estimate and […]
19-1 (Jan 2012)
Comparison of Uncertainty Calculation Models
By Hening Huang Three models are available in the literature for calculating the expanded uncertainty using the experimental standard deviation: the Student’s t model, Craig model, and Bayesian model. This paper compares these three models […]
Articles
Pass or Fail: With Which Probability?
by Manuel Rodríguez In this paper, the Probability of Pass (PoP) and the Probability of Fail (PoF) are derived following a metrological approach, in which concepts such as repeatability, number of effective degrees of freedom, […]