interlaboratory comparison – Cal Lab Magazine

The Quality System at INRiM: A Research and National Metrology Institute

March 4, 2026 Office

by Flavio Galliana, Adelina Leka and Luigi Iacomini The Quality Management System (QMS) of the Istituto Nazionale di Ricerca Metrologica (INRiM), Italy, deals with calibration and measurement activities in accordance with the Mutual Recognition Arrangement […]

NIST OWM and KEBS: Building Metrology Capacity for the RMOs | NIST

January 30, 2025 Office

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 […]

New Pilot Study Enhances Accuracy of AC Voltage Comparisons – BIPM

October 24, 2024 Office

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 […]

EURAMET project performs a comparison of thermometer radiation shields in the Arctic | EURAMET News

October 16, 2024 Office

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. […]

Comparison Demonstrates Factor of Three Improvement in Gas Flow Measurements

August 4, 2021 Office

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 […]

An Intercomparison Between Primary High-Pressure Gas Flow Standards with Sub-Permille Uncertainties

January 27, 2021 Office

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 […]

A Unified Formula for Uncertainty Estimation in Interlaboratory Studies and Key Comparisons

January 27, 2020 Office

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 […]

Report of an Interlaboratory Comparison of Phase Noise

September 11, 2014 Office

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 […]