Office – Page 73 – Cal Lab Magazine

How to Perform a Repeatability Test

March 5, 2015 Office

by Richard Hogan The evaluation of uncertainty in measurement results is becoming an important requirement for laboratories seeking to attain or retain ISO/IEC 17025 accreditation. When assessors evaluate a laboratory’s uncertainty budgets, they commonly look […]

Made in America – European Origin?

March 5, 2015 Office

by David M. Walker This article discusses some of the issues for US manufacturers of metrology equipment when dealing with European Union funded programs. It is often the case that ‘EU’ funding is available only […]

Treatment of Conditional Measurement Bias in Measuring Instruments

March 5, 2015 Office

by Hugo Gasca, Luis Omar Becerra, Victor Serrano, & Luis Manuel Peña Calibration information of experimental instruments often is used for correcting measurements. In this work we present examples of analysis of historic data from […]

A Practical Guide for Selecting, Purchasing, and Receiving Accredited Calibration Service

March 5, 2015 Office

by Pam Wright Nearly everyone struggles with selecting, purchasing, and receiving accredited calibration services. This article is designed to provide practical guidance on ordering calibration service and what to do once the equipment is returned […]

METAS VNA Tools

January 11, 2015 Office

VNA Tools II is free and supports most of the Vector Network Analyzers (VNAs) in today’s market. The software simplifies your tasks of generating accurate measurement uncertainty and vindicating metrological traceability. The software is ideal […]

Metrology 101: Basic Torque Calibration

December 4, 2014 Office

by Jerry Eldred The need for accurate torque measurement spans technologies and industries from missions to Mars, to installing lug nuts on your old pickup truck. When torque is correct, it makes us safer, and […]

Wide Band Microwave Noise Measurement System

December 4, 2014 Office

by Murat Celep In the wide band radiometer, it is necessary to use more than one low noise amplifier (LNA) because of their narrow band characteristic. The change in the gain of the LNAs with […]

Accelerate TDR Measurements with Electronic Calibration

December 4, 2014 Office

by John Dorighi and Rob Sleigh An important consideration for improving the accuracy of time domain reflectometer (TDR) measurements is user calibration. A TDR user calibration is performed to correct for systematic instrument errors along […]