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
On the Probabilistic Interpretation of Type A Uncertainty: A Proposal for Normalization of Student’s t Distributions
by Manuel Rodriguez Higuero The Guide to the Expression of Uncertainty in Measurement (GUM) [1] and its Supplement 1 based on Monte Carlo propagation (GUM-S1) [2] currently coexist as two conceptual frameworks that are partially […]
Automation Corner
Uncertainty Calculations That Excel!
The other day I read an article titled “Five easy steps for adding measurement uncertainties to your calibration data.” It described a very easy process of copying cells from one Microsoft Excel® file to another, […]
Articles
Let’s Talk About Bias: Measurement Bias
by Henry Zumbrun What can happen when we use an accuracy specification and assume all the measurements are centered in relation to the specification limits? It is a typical problem in the metrology community, where […]