NIST, the National Institute of Standards and Technology, plays a crucial role in ensuring measurement accuracy and reliability through its metrological traceability policy. This policy establishes an unbroken chain of calibrations to recognized standards, such as the International System of Units (SI), to guarantee the accuracy of measurement results.
NIST provides various services and tools to support traceability, including laboratory accreditation, measurement quality assurance programs, and the NIST Uncertainty Machine. These resources help organizations establish and document the traceability of their measurement results to NIST or other specified references.
The Joint Committee for Guides in Metrology and the International Vocabulary of Metrology provide additional guidance and definitions for implementing metrological traceability. By adhering to NIST’s policy and utilizing its resources, organizations can ensure the accuracy and reliability of their measurements, contributing to the advancement of measurement science and technology.
Source: https://www.nist.gov/calibrations/traceability
Keywords: metrological traceability, measurement uncertainty, international standards, quantum technology, metrology
