Happy World Metrology Day: A Change to SI Units
Effective on this World Metrology Day (May 20, 2019), the International System of Units is now based on a set of definitions each linked to […]
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Calibration, Verification, and Validation
Many laboratories have misinterpreted the term “verification” to avoid performing a calibration on a device used to support testing. The terms “calibration,” “verification,” and “validation” […]
How 3D Technology is Revolutionizing the Aerospace Industry
According to audit consulting & advisory firm Deloitte, global aerospace aircraft revenues were expected to grow 4.8% in 2018, and the commercial aircraft sector’s operating […]
US Customary System Conversions
Two systems of weights and measures are derived from English Units: the US Customary System and the British Imperial System. Neither is dominant worldwide, but […]
Impact of the ISO/IEC 17025:2017 Transition, Part 2
This is the second in a series of posts about ISO/IEC 17025:2017, General requirements for the competence of testing and calibration laboratories, the global reference […]
ISO 12233:2017 – Photography – Resolution and Spatial Frequency Responses
With consumer digital cameras, the term resolution of is often incorrectly interpreted as the number of addressable photoelements. Quantitatively, resolution refers to the ability of […]