Articles Published in Cal Lab Magazine
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 Kenneth Parson This article covers the subject of laboratory quality/ management and address the issue of laboratory accreditation. I hope you will find this article interesting and informative and will help you to improve […]
by Jonathon Harben This paper explores the similarities and differences between a measurement uncertainty as described in the GUM and a manufacturer’s specification when the history of compliance testing results is taken into consideration. It […]
by Christoph von Rohden Potentials and limitations of commercial sensors for in-situ speed-of-sound measurements in liquids working with the time-of-flight principle are discussed on the basis of laboratory investigations and an extended sensor calibration in […]
by Jesse Morse If a person making a dc or low frequency measurement fails to select the proper cables, or to properly connect the shields the traceability chain for that measurement can be violated. This […]
By Tom Morgan A method is derived for calculating the resistance tolerances for non-linear resistance scales, whose accuracy tolerances are given in degrees of arc instead of percent of reading or range. Read the Full […]
By Thomas O. Maginnis, Ph.D. Thermal mass flow sensing is well established commercially for measurement and control of low gas flows in the semiconductor industry and elsewhere. Yet the basic theory of this critical flow […]
By Dean S. Williams What do you do when faced with a doubling of demand with virtually no increase in resources? Go LEAN. That was the approach Duke Energy’s Standards Lab took when it faced […]
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