In photometry and colorimetry, standard CIE illuminant A tungsten-filament light sources have exclusively been used as calibration standard sources since 1932. As LEDs increasingly replace traditional lighting new means and methods of calibration are needed […]
Researchers at NIST have developed a new — and sound — way to accurately measure the rate at which gas flows in and out of a vessel. The technique, which uses acoustic waves to determine […]
Published in 2023. 736 pages. ISBN: 978-1-63694-019-9. Order from ASQ Book Store. Available in Print or Digital. Developed by experts in the field a s a comprehensive and practical reference, The ASQ Metrology Handbook, Third Edition provides […]
13 Mar 2023, NPL News NPL and the University of Utrecht, Netherlands have collaborated to develop new SI-traceable gas reference materials and a fast calibration approach to improve the quantification and comparability of proton-transfer reaction mass […]
Joint press release from DAkkS and PTB, 01.03.2023 – The Deutsche Akkreditierungsstelle (DAkkS) and the Physikalisch-Technische Bundesanstalt (PTB) have kicked off the pilot phase of the Digital Calibration Certificate with a digital accreditation symbol. As […]
Prescott, Ontario – Measurements International (MI) is proud to announce the release of its revolutionary Cryogenic Current Comparator Model 6200A, a precision measurement bridge designed for use in resistance measurement. The 6200A Cryogenic Current Comparator […]
I began my career in Quality Assurance in the Metrology Industry working for a leader in the Global Metrology marketplace. I also worked for a brief stint in the Aerospace manufacturing sector. In my Metrology […]
In a brightly lit subterranean lab at the National Institute of Standards and Technology (NIST) sits a room-sized electromechanical machine called the NIST-4 Kibble balance.The instrument can already measure the mass of objects of roughly […]
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