January 7, 2025 NIST Office of Weights and Measures (OWM) and the Kenya Bureau of Standards (KEBS) are currently conducting an interlaboratory mass comparison as part of a larger, multifaceted mass metrology training program being developed by […]
The BIPM and NIST have successfully conducted a new pilot study, marking a significant advancement in the accuracy and reliability of ac voltage comparisons. This achievement represents a major step forward for on-site comparisons of […]
Polar regions are very sensitive to climate change – and monitoring these regions provides early indications of potential climate trends The temperatures in the Arctic continue to rise at three times the global annual average. […]
by John Wright, Gina Kline, Kevin John, Brian Novitsky, Jason Bellavance, Kevin Shufelt, Bradley Nease, Miles Owen, Joe Allen, Casey Rombouts, William Gause, John Cuccio A comparison of seven gas flow calibration laboratories piloted by […]
by Jos G.M. van der Grinten, Arnthor Gunnarsson, Mijndert van der Beek, and Bodo Mickan A recently performed intercomparison between three laboratories using the piston provers as a primary reference, was re-evaluated using PTB’s turbine […]
By Hening Huang A variety of statistical methods are available for estimating consensus values in interlaboratory studies (including key comparisons). These methods, although developed based on different approaches and ranging from simple to complex, produce […]
by Bart Caswell In 2013 and 2014, the U.S. Army Primary Standards Laboratory piloted a six-laboratory intercomparison (ILC) of phase noise measurements using a Fluke 9640A-LPN signal generator as the test article. The article was […]
By John Wright, Aaron Johnson, Gina Kline, Chris Crowley, Jodie Pope, Vern Bean, Kevin John, Jeremy Latsko, David Pfeffer, James Winchester, Michael Case, Gary Mahoney, Gary Quigley, Jason Bellavance, Jon Fitzgerald, Bradley Ramsey, Wes England, […]
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