White Papers – Cal Lab Magazine

An ISO/IEC 17025 2017 Software Assessment Tool on Steroids

March 23, 2026 Office

By Christopher L. Grachanen The National Association for Proficiency Testing (NAPT) is pleased to announce a major upgrade to its ‘NAPT 17025:2017 Lookup Tool’, hereby referred to as the tool. The tool’s original functionality was […]

NAPT 17025 Lookup Freeware Updated

July 15, 2025 Office

by Christopher L. Grachanen Revision 7.0 of NAPT’s 17025 Lookup Freeware has been recently released with several new features Metrologists, calibration and auditing personnel will find most useful in evaluating test and measurement laboratory performance/compliance […]

Achieving High Accuracy for High Static Differential Pressure Measurements

February 22, 2022 Office

This application note describes the instrumentation and method used to achieve high accuracy differential pressure measurements at high static pressures. Differential Pressure Measurement Differential pressure measurement provides a comparative measurement between two points of a […]

Precision Remote Humidity Control in Enclosed Chamber

December 8, 2021 Office

Summary This white paper presents the working principles and use cases of miniaturized humidity chambers in research and development. As the world approaches the fourth industrial revolution, there is increasing demand for more advanced research […]

Frequency and Voltage Converters as Mains Reconstruction Units

March 24, 2021 Office

Summary Inconsistencies plague the mains power line, and these problems negatively impact the performance quality of electronic (as well as virtually any precision) equipment. Cleaning the power results in one less potential source of error […]

Using a Databased SOLT Calibration Kit

September 8, 2020 Office

Introduction Copper Mountain Technologies produces lab-grade VNAs with outstanding measurement accuracy. As with every VNA, performing a good calibration is necessary for maximizing the accuracy of VNA measurement results, for de-embedding the effects of imperfect […]

Meeting the Challenge when Measuring Super Smooth Surfaces

August 26, 2020 Office

While the measurement of super smooth surfaces typically requires the use of optical metrology tools, it is important to realize that not all optical solutions are the same. The metrology option chosen for such surfaces […]

Fundamentals of Electrical Safety Testing – Pt. 2

April 27, 2020 Office

Introduction Part 1 of this white paper discussed the functions and features of these high-performance instruments. The purpose of this section is to guide the hipot tester user through the steps needed to make sure […]