Realization of the Kelvin
Until 2019, the kelvin (K) was defined as “the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.” The temperature measurement world […]
AuthorRandy Long, Senior Manager of Accreditation
Project 25 Conformity Assessment Program (P25 CAP) for Testing Laboratories
What is P25 CAP? The Project 25 Compliance Assessment Program (P25 CAP) ensures interoperability among the radio communications equipment used by first responders. Developed by […]
Use of Accreditation Symbols and IATF 16949
Using Accredited Calibration Laboratories in Automotive Manufacturing Since the publication of the third edition of QS-9000 in 1998, the automotive manufacturing community has been seeking […]
AMS 2750F Pyrometry Specification Requires ISO/IEC 17025 Accreditation
The 2020 edition of AMS 2750 on Pyrometry includes a new requirement for accreditation to ISO/IEC 17025. Note: this standard has been revised since this […]
How Laboratories Can Benefit from Complaints
You know the saying: Nobody likes a complainer. But even if you don’t like it when your laboratory receives complaints, there may be good reasons […]
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” […]
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 […]