Articles – Page 4 – Cal Lab Magazine

A Collection of Meatballs

April 11, 2025 Office

by Dan Wiswell I was moving through some of the equipment in my archive recently when I concluded that I may have to create a separate wing dedicated exclusively to General Electric. I don’t know […]

Troubleshooting Automation Software

April 10, 2025 Michael Schwartz

I can’t tell you how many times I have received an email or text message saying, “It doesn’t work!” Well, what doesn’t work? Can you give me any details? So I thought I would put […]

Are You Measuring “Average Roughness” Correctly? There’s More to It Than You May Think

January 18, 2025 Office

by Mike Zecchino and Mark Malburg Calibration labs frequently need to certify the average roughness (Ra) of calibration specimens or samples. This seemingly straightforward task, however, involves more than running a roughness gage across the […]

Digitalization in the Quality Infrastructure – Perspectives from Novo Nordisk

January 18, 2025 Office

by Heidi Foldal Novo Nordisk, established in 1923 and headquartered in Denmark, is a global healthcare company dedicated to providing medication for chronic diseases. Our operations are managed through process management across the organizational structure, […]

Surrounded by History

January 18, 2025 Office

by Dan Wiswell Many years ago, I worked in a building in Boston that had a plaque on an outside wall that commemorated the invention of the telephone by Alexander Graham Bell. Passing by it […]

The Problems with Hardware Emulation Modes

January 17, 2025 Michael Schwartz

Let me start with “I hate it!” It is okay for simple tasks, but calibration and metrology is not a simple task. Often, what we do in automation is very complex—getting into the low-level settings […]

A New Direct Comparison Calibrator for RF Power Sensors

January 1, 2025 Office

by Michael Eckart Wireless products are everywhere. From wireless communications devices to children’s toys to military weapons systems, more and more products are using radio frequencies (RF) (100 kHz to 1 GHz) and microwaves (1 […]

Statistical Analysis of Network Analyzer Measurements

January 1, 2025 Office

by John Juroshek, C.M. Wang, George McCabe For the past five years, the Automatice RF Techniques Group (ARFTG) has conducted a measurement comparison program for vector network analyzers. The results of those measurements varies substantially, […]