ISO/IEC 17025-2017 clause 7.6 note 1

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NOTE 1 In those cases where a well-recognized test method specifies limits to the values of the major sources of...

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Posted by Dr. Prashant Umare (Discussions: 1, Comments: 3)
Replied on February 27, 2018 12:00 am
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that means if test method not contain sources of measurement uncertainty you can calculate by understanding of the theoretical principles or practical experience of the performance of the method (7.6.3) or if method method specifies limits to the values of the major sources of measurement uncertainty and specifies the form of presentation of the calculated results you can calculate measurement uncertainty by using sources which Mentioned
in method
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Posted by mohamed elbadry (Discussions: 1, Comments: 3)
Replied on February 27, 2018 7:00 pm
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Extatly my dear Mohammad. Also depends on experience of technical labor
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Posted by said mostafa (Discussions: 1, Comments: 1)
Replied on February 27, 2018 7:00 pm
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If you are using proven test methods that are published through organizations like ISO and ASTM, they have the uncertaintees worked out so you do not need to worry about them. Thta is why the test method tells you to weigh to 3 decimal places or measure to 2 decimal places. If you carefully follow the directions in the test method you have no worries about measurement uncertainty.
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Posted by David Bracken (Discussions: 0, Comments: 9)
Replied on March 5, 2018 7:00 pm
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When the Std gives you such information about uncertainty component, you have to be able to demonstrate that your test process meet all MPE listed by the Std. For instance impact of the environment 14 °C to 28°C demonstrate that your measurement are done in betwee,.
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Posted by Patrick Reposeur (Discussions: 1, Comments: 15)
Replied on March 5, 2018 7:00 pm
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