18-2 (Apr 2011) – Cal Lab Magazine

Technical Requirements for a Portable Metrology Laboratory in Hot, Arid Regions

June 14, 2011 Office

By Abdulaziz A. Al-Ghonamy, Mamdouh Halawa and Mohamed Aichouni This paper presents a proposal for establishing a portable laboratory in hot, arid regions to provide the necessary maintenance services for equipment used in remote sites […]

High Attenuation Measurement of Step Attenuators

June 14, 2011 Office

By Sulan Zhang This paper introduces a solution for high attenuation measurement of step attenuators. Fundamentally, this high attenuation measurement method is based on the cascaded 2-port network and S-parameter theory. This method is to […]

Balance Calibration – A Method for Assigning a Direct-Reading Uncertainty to an Electronic Balance

June 14, 2011 Office

By Mike Stears Like many calibration laboratories, our laboratory provides calibrations for a wide range of instrumentation. For the most part, we calibrate the instrumentation to the manufacturer’s published specifications. As one of our services, […]

Metrology 101: How to Calibrate a Single Channel Adjustable Volume Pipette

June 14, 2011 Office

By Ann Lenhardt Training Objective: Enable the pipette user to assess the performance of a single channel adjustable volume pipette. The method used for the performance analysis is the gravimetric method. Read the Full Article […]