Introduction Reporting measurement uncertainty in test and calibration certificates is a common practice for ISO/IEC 17025 accredited laboratories. It is also a common problem for a lot of laboratories. Many struggle to do it right. Most accredited laboratories are required to include uncertainty in their certificates. However, many of them do not know how […]
Introduction Calculating uncertainty in measurement can be difficult. Especially, now that you are required to calculate the uncertainty for every measurement result in your calibration reports. For years, many laboratories have just included a statement of uncertainty hidden in the small print of their reports that only provide the CMC Uncertainty statement published in their […]
Introduction Calculating calibration uncertainty is a problem for many accredited laboratories. Since the introduction of the ILAC P14 policy, the number of deficiencies related measurement uncertainty have exponentially grown. Additionally, I have received a lot of phone calls from labs needing help to calculate calibration uncertainty. Therefore, I decided to write an article to […]
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