Articles Published in Cal Lab Magazine
by Jacob E. Ricker, Jay H. Hendricks, Douglas Olson, and Greg Strouse In today’s fast-paced world and ever-expanding quality assurance requirements, the National Institute of Standards and Technology (NIST) has developed a system to fill […]
By Jay Klevens Accurate electrical current measurement is critical to the power and electrical test industries. DC and low frequency ac current is usually measured using a current shunt. Shunt calibration has unique error sources […]
By Rachael V. Coquilla Wind measuring instruments, such as cup anemometers, propeller anemometers, ultrasonic anemometers, velocity meters, airflow meters, and many other types, are commonly used in various industries as monitoring devices or for evaluation […]
By Michael J. Haugh, Travis Pond, Christopher Silbernagel, Peter Torres, Kent Marlett, Fletcher Goldin, Susan Cyr National Security Technologies, LLC (NSTec), Livermore Operations, has two optical radiation calibration laboratories accredited by the National Institute of […]
By Martin L. Kidd This Metrology 101 article addresses the impact of thermoelectric voltage (EMF) on low-voltage measurements. Using a high precision digital multimeter, the author demonstrates how you can inadvertently introduce thermal EMF errors. […]
By Paul Roberts There are many potential sources of human and measurement errors in RF calibration. This paper examines five common error sources associated with connectors, cables, and accessories such as adapters, splitters and couplers: […]
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, […]
By Michael Schwartz In many of today’s software projects, developers are challenged with the task of designing interchangeable standards architecture into their metrology based applications. Currently, many developers see an oscilloscope as an oscilloscope and […]
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