Articles – Page 32 – Cal Lab Magazine

Turbine Flow Meter Calibration Using Nonhazardous Fluid Mixtures to Simulate Fuels and Lubricants

August 16, 2011 Office

By John Ball Precision turbine flow meters are widely applied in Army research, development, and test facilities. Helicopters, tanks, and many other military machines are dependent upon engine and hydraulic test stands located at depots […]

Applications of Computer Simulation in Coordinate Measuring Machine Uncertainty Evaluation

August 16, 2011 Office

By Jon M. Baldwin, Kim D. Summerhays and Daniel A. Campbell Comprehensive tools for evaluating the uncertainty of measurements made with coordinate measuring machines (CMMs) have been available for several years, yet their widespread application […]

Infrared Thermometer Calibration

August 16, 2011 Office

By Frank Liebmann The objective of this article is to give laboratory personnel a basis to set up a calibration program for infrared thermometers. While this information is not a complete set of instructions, it […]

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 […]

A Paperless Calibration Department

March 12, 2011 Office

by Jay Bucher As metrology/calibration departments need to comply with various requirements, such as 21 CFR Part 11 and ISO 13485, they find their processes increasingly need to be more dependent on electronic systems. The […]