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  2. National Voluntary Laboratory Accreditation Program - Wikipedia

    en.wikipedia.org/wiki/National_Voluntary...

    The National Voluntary Laboratory Accreditation Program (NVLAP), administered by the National Institute of Standards and Technology (NIST) in USA, offers accreditation for testing and calibration laboratories across various fields. NVLAP evaluates laboratories' technical qualifications and compliance with standards like ISO/IEC 17025. The ...

  3. National Institute of Standards and Technology - Wikipedia

    en.wikipedia.org/wiki/National_Institute_of...

    The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical science laboratory programs that include nanoscale science and technology , engineering , information ...

  4. Colorado Engineering Experiment Station, Inc. - Wikipedia

    en.wikipedia.org/wiki/Colorado_Engineering...

    All of the instruments involved in the scale-up were controlled by NIST (National Institute of Standards and Technology) staff and were calibrated using NIST's quality control processes. This scale-up calibration process is repeated regularly in accordance with NIST quality procedures.

  5. Frequency standard - Wikipedia

    en.wikipedia.org/wiki/Frequency_standard

    These precision 100 kHz oven controlled crystal oscillators at the US Bureau of Standards (now NIST) served as the frequency standard for the United States in 1929. A frequency standard is a stable oscillator used for frequency calibration or reference. A frequency standard generates a fundamental frequency with a high degree of accuracy and ...

  6. Certified reference materials - Wikipedia

    en.wikipedia.org/wiki/Certified_reference_materials

    Green Tea standard reference. Certified reference materials (CRMs) are 'controls' or standards used to check the quality and metrological traceability of products, to validate analytical measurement methods, or for the calibration of instruments. [1] A certified reference material is a particular form of measurement standard.

  7. Calibration - Wikipedia

    en.wikipedia.org/wiki/Calibration

    The formal definition of calibration by the International Bureau of Weights and Measures (BIPM) is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or ...

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