Vol. 20:1 (Jan 2013) – Cal Lab Magazine

Latest Posts

[ January 31, 2020 ] Why USB VNAs? White Papers
[ September 10, 2026 ] Setting Calibration Intervals from Your As-Found Data White Papers
[ September 3, 2026 ] Practical Use of Dry Block Calibrators Articles
[ September 3, 2026 ] On the Probabilistic Interpretation of Type A Uncertainty: A Proposal for Normalization of Student’s t Distributions Articles
[ September 3, 2026 ] The Goal Posts, the Wind, and the Coin Flip: A Practical Guide to Measurement Decision Risk Articles
[ September 3, 2026 ] Hard Work Pays in the End Automation Corner

Verifying 1 mW 50 MHz Power Reference Output SWR

February 19, 2013 Office

by Charles Sperrazza Verification of the Standing Wave Ratio (SWR) of the 50 MHz 1 mW output power reference is a key step in performing a calibration of a RF power meter. Higher than desired […]

Stating Best Uncertainties Over a Range of Values

February 19, 2013 Office

by David Deaver The Guides to Measurement Uncertainty (GUMs) give very prescriptive methods for calculating measurement uncertainty at individual points. Some laboratories undertake the calculation of uncertainty at many points and state them in their […]

An Uncertainty Analysis for a Positive Displacement Liquid Flow Calibrator Using the Water Draw Technique

February 19, 2013 Office

by Wesley B. England This paper is an uncertainty analysis performed by the Liquid Flow Lab of the Army Primary Standards Laboratory (APSL) for the calibration of positive displacement piston prover using a volumetric water […]