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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. 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.

  4. National Institute of Standards and Technology - Wikipedia

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

    NIST is also required by statute to consult with the NSA." [53] Recognizing the concerns expressed, the agency reopened the public comment period for the SP800-90 publications, promising that "if vulnerabilities are found in these or any other NIST standards, we will work with the cryptographic community to address them as quickly as possible ...

  5. Standard (metrology) - Wikipedia

    en.wikipedia.org/wiki/Standard_(metrology)

    In metrology (the science of measurement), a standard (or etalon) is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity. [1] Standards are the fundamental reference for a system of weights and measures , against which all other measuring devices are compared.

  6. Metrology - Wikipedia

    en.wikipedia.org/wiki/Metrology

    A standard (or etalon) is an object, system, or experiment with a defined relationship to a unit of measurement of a physical quantity. [31] Standards are the fundamental reference for a system of weights and measures by realising, preserving, or reproducing a unit against which measuring devices can be compared. [2]

  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 ...

  8. Category : National Institute of Standards and Technology

    en.wikipedia.org/wiki/Category:National...

    National Institute of Standards and Technology people (2 C, 47 P) NIST hash function competition (14 P) Pages in category "National Institute of Standards and Technology"

  9. Water metering - Wikipedia

    en.wikipedia.org/wiki/Water_metering

    A typical residential water meter. Water metering is the practice of measuring water use.Water meters measure the volume of water used by residential and commercial building units that are supplied with water by a public water supply system.

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