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.
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World’s First Traceable CO2 Liquid / Dense Phase Calibration Facility | TÜV SÜD
Following a successful bid for £950,000 funding from Horizon Europe, TÜV SÜD National Engineering Laboratory will build the first UK national standard liquid / dense phase CO2 calibration facility. The 3.5-year project, called “A European […]
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Surface Roughness and Roundness Measurement: How to Know What Your Gage Can (and Can’t) Measure
by Mike Zecchino, Jeff Dax, and Mark Cobb Many instruments can be used to measure surface roughness and texture—from handheld gages to ultra-precise interferometers and 3D optical profilers. But not all instruments are intended for […]
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Progress in the Theory of the Laminar Tube Thermal Flow Sensor
By Thomas O. Maginnis, Ph.D. Thermal mass flow sensing is well established commercially for measurement and control of low gas flows in the semiconductor industry and elsewhere. Yet the basic theory of this critical flow […]