The international community uses proficiency testing as evidence of the competence of a laboratory. But many laboratories see proficiency test participation as just a requirement of the ISO/IEC 17025 standard rather than a very useful […]
by Christopher L. Grachanen A proficiency test (PT) is a blind test to participants that is intended to prove or disprove participant’s measurement or testing competence. Any action that breaks the integrity of that process […]
by Tim Osborne In this article, we aim to identify why and in what ways the IECEE changed its ruling on internal calibrations, share some of the major pros and cons of performing internal calibrations, […]
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