By Jay Klevens Accurate electrical current measurement is critical to the power and electrical test industries. DC and low frequency ac current is usually measured using a current shunt. Shunt calibration has unique error sources […]
By Martin L. Kidd This Metrology 101 article addresses the impact of thermoelectric voltage (EMF) on low-voltage measurements. Using a high precision digital multimeter, the author demonstrates how you can inadvertently introduce thermal EMF errors. […]
By Hock Eng Lim This latest Metrology 101 articles shows us how to use new standards to calibrate the reference calibration output of a power meter. Read the Full Article (PDF)
Jerry Eldred, Lead Metrologist for Evans Analytical Group (EAG) Calibration Services in Austin, Texas, demonstrates the basic methods of creating an ice-point bath. Read the full article (PDF)
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 […]
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 […]
by Brien Gauthier Increase your efficiency and effectiveness by focusing in on any major problems your test unit may have with a quick and simple function check. The analyzer used for the example is an […]
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