Articles – Page 19 – Cal Lab Magazine

Periodic-ish Table of Metrology

April 8, 2019 Office

by Howard Zion The universe of Inspection, Measurement, and Test Equipment (IMTE) encompasses so many independent manufacturer/model numbers that it can become extremely difficult to manage, whether for the company that owns the equipment or […]

A Tool for Validating Spreadsheets

January 25, 2019 Office

by Christopher L. Grachanen Spreadsheets are one of the most prolific software tools used in calibration and test laboratories. From simple math computations and to sophisticated data curve fitting, spreadsheets are typically the de facto […]

Contemporary Evaluation of Measurement Uncertainties in Vector Network Analysis

January 25, 2019 Office

by M. Zeier, J. Hoffmann, J. Ruefenacht, M. Wollensack The evaluation of measurement uncertainties in vector network analysis is a demanding task. The metrology guide EURAMET cg-12 (formerly EA 10/12) is dedicated to this topic […]

Rules & Tools for Creating a Metrology Taxonomy

January 25, 2019 Office

by Hannah Eilers & Michael Schwartz The 141 MII (Measurement Information Infrastructure) & Automation Committee of NCSLI (National Conference of Standards Laboratories International) has been working to develop a new standard for the exchange of […]

Software is Cheaper Labor

January 25, 2019 Michael Schwartz

Over the years I have watched several labs go through the decision process to purchase new hardware. Most labs have the same process: look at the work load requiring the new hardware, and calculate the […]

No Faking Automation

November 5, 2018 Office

by Michael Schwartz Automation has its own quality system automatically built in. When software performs the same test, the same way over and over again, it can’t be wrong. There is no fake it till […]

Calculating the Frequency Response of an Oscilloscope from a Transition Duration Measurement

November 5, 2018 Office

by Donald Larson Many digital oscilloscopes have the capability of acquiring, displaying, and storing a digitized representation (the waveform) of an electrical signal. This digitization creates data, the waveform samples, that have discrete amplitude values […]

In Focus: Colorado Engineering Experiment Station (CEESI)

November 5, 2018 Office

by Sita Schwartz, Editor The Colorado Engineering Experiment Station, Inc. (CEESI), a subsidiary of Western Energy Support & Technology, Inc. (WEST), provides accredited NIST traceable calibration for numerous types of flow meters for customers around […]