In order to benefit fully from the hyperlinking between the documents, the reader is advised to download all JCGM documents presently available in one ZIP file.
The fundamental reference document is the Guide to the Expression of Uncertainty in Measurement (GUM):
Note: JCGM 100:2008 is also available in HTML form from the JCGM portal on ISO's website.
The JCGM Working Group 1 (JCGM-WG1) is producing a series of documents to accompany the GUM. The first two of these documents have been approved and are available for download as PDF files. Printed copies are available for purchase from ISO.
Evaluation of measurement data – The role of measurement uncertainty in conformity assessment
Evaluation of measurement data – Concepts and basic principles
Evaluation of measurement data – Supplement 2 to the "Guide to the expression of uncertainty in measurement" – Models with any number of output quantities
Summary
The fundamental reference document is the Guide to the Expression of Uncertainty in Measurement (GUM):
