Articles Published in Cal Lab Magazine
by Dr. George Anastasopoulos ISO/IEC 17025 was first issued in 1999 by the International Organization for Standardization (ISO) and the International Electro-technical Commission (IEC). It is the single most important standard for calibration and testing […]
by Mettler Toledo Calibrating a weight of unknown mass requires comparison to a known reference. It’s not as simple as it sounds, however, particularly when manufacturing weights or establishing metrology standards. During manual calibration, everything […]
by Henry Zumbrun There has been ongoing debate as to whether or not a hydraulic force machine that applies the force simultaneously to both the reference standard and the unit under test is more repeatable […]
by Ebtisam H. Hassan, R. Hegazy, Gouda M. Mahmoud Common practice in the use of force proving instruments, such as load cells, has been to use loading pads to maintain the safety for the load […]
by Rob Miller For organizations searching for options to differentiate their services, often times the most suitable way of achieving this is through accreditation to published standards such as ISO/IEC 17025. This outside evaluation based […]
by Richard Hogan Probability distributions are a part of measurement uncertainty analysis that people continually struggle with. Today, my goal is to help you learn more about probability distributions without having to grab a statistics […]
by Dave Brannon Test system developers generally require a large variety of test instruments to meet system needs. When the instruments are sourced from different suppliers, the system developer must have confidence that they will […]
by Roger Muse To the uninitiated, accreditation to ISO/IEC 17025 can seem mysterious, confusing, or downright daunting. Just what does accreditation mean? And exactly how is it accomplished? >> Read Full Article (PDF)
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