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Measurement Uncertainty
Measurement
Uncertainty is an important element of the ISO 17025 standard. Section
5.4.6 titled, Estimation of Uncertainty of Measurement, describes the
procedures for calibration labs or testing labs in meeting the measurement
uncertainty requirements. Below we have compiled a collection of Measurement
Uncertainty References.
The latest available
version of the Uncertainty Calculator 3.2 can be downloaded here.
Measurement Uncertainty
Training Links
There are many opportunities to attend training that specifically addresses
measurement uncertainty. The details about many upcoming courses being
offered by these companies are listed in eCalibration.com's 17025
training link. You may also wish to visit the companies listed below
and review their upcoming course offerings.
Uncertainty Calculator
Download
eCalibration.com is
pleased to be able to provide viewers the opportunity to download Uncertainty
Calculator 3.2. Uncertainty Calculator 3.2 (UnCal3.2), a Windows 2000
application, is a "FREEWARE" software program developed by Christopher
Grachanen of Hewlett-Packard.
UnCal3.2 addresses
uncertainties for commonly made measurements in a simple, straightforward
manner; congruent with the basic guidelines contained within measurement
uncertainty publications such as ISO "Guide to the Expression of Uncertainty
in Measurement", 1993, NIST Technical Note 1297, etc.
Download
UnCal3.2
Measurement Uncertainty
Reference Links
- Integrated
Sciences Group has made available a number of downloadable articles
and papers to assist in the understanding of measurement uncertainty
analysis.
- A2LA
publishes or provides links to various Uncertainty Guidance Documents.
The available guidance documents contain information that may be helpful
to organizations seeking to comply with ISO/IEC 17025 requirements.
Search for Guidance Documents by utilizing the drop down menu.
- Integrity-Solutions
Group, Inc. has put together 6 reference documents concerning Uncertainty
issues faced by laboratories.These documents are available for free
by visiting their site.
- NIST's
Physics Laboratory maintains a web site that is a resource for measurement
uncertainty information. The essentials of expressing measurement uncertainty,
international and U.S. historical background information and publication
purchasing information can be found here.
- Agilent's
Metrology Forum web site supplies calibration information and resources
in a light-hearted and interesting manner.
- Members of the
CITAC/Eurachem
measurement uncertainty
working group support the utilization of the completely revised Guide
Quantifying Uncertainty in Analytical Measurements. Their web site has
a forum with an uncertainty discussion thread.
If you have suggestions
for additional references that you would like to see on this page, please
contact eCalibration.com.
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