Articles Published in Cal Lab Magazine
By Bob Hardy The two-pressure humidity generation technique is a well-known, highly documented method used for precise control of humidity values. This straight-forward method is in practice world-wide in a large number of standards and […]
The Metrology 101 article from the Jul-Sep 2013 issue, “Testing Linearity on the Agilent E441xA Power Sensors,” has been updated online. The upper and lower readings are incorrect in the printed version. An Excel spreadsheet […]
Written and presented by Rebecca Choi, Jessica Chung, and Justin Jinwon Lee of Fairmont Preparatory Academy in Anaheim, California — awarded Best High-School Student Paper at the 2013 Measurement Science Conference in Anaheim. Our experiment consisted […]
by Helko van den Brom, Gert Rietveld, and Jan Paepen The accurate measurement of small electrical currents is essential for the measurement of ionizing radiation as generated by radionuclides. VSL has been involved in the […]
by Dean C. Ripple, Michael J. Carrier, Richard E. Cavicchi, Christopher B. Montgomery, and Zhishang Hu A common degradation pathway for protein-based drugs is the growth of protein aggregates or particles. Counting and characterization of […]
by Michael Schwartz Today’s new high dynamic range power sensors are not built the same as the older generations of sensors. Older generations of power sensors only had a correction table for their frequency response. […]
by Michael Bair and Tim Francis Fluid pressure is a derived measurand (N/m2) that is realized primarily through manometers and piston gauges at the NMI level. Piston gauges are becoming more useful as primary standards […]
by Mark Kuster Metrology revolves around standards—measurement standards, normative standards, standard measurement practices, etc.—to achieve consistent quality results. To remain competitive, metrology, like other industries, also depends on automation and standardized interoperability to attain and […]
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