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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 ...
Thus, in 1961, the INPM - Instituto Nacional de Pesos e Medidas (National Institute of Weights and Measurements) was created, implanting the Brazilian network of legal metrology and quality control, establishing the International System of Units (SI) in the Brazilian territory.
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories is the main standard used by testing and calibration laboratories. In most countries, ISO/IEC 17025 is the standard for which most labs must hold accreditation in order to be deemed technically competent.
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.
The Committee provides final review and approval of recommendations to amend NCWM Publication 14 Technical Policy, Checklists and Test Procedures and makes recommendations to the National Conference on Weights and Measures (NCWM) Board of Directors for amendments to NCWM Publication 14 Administrative Policy. The NTEP Committee also addresses ...
The International Bureau of Weights and Measures (French: Bureau International des Poids et Mesures, BIPM) is an intergovernmental organisation, through which its 64 member-states act on measurement standards in areas including chemistry, ionising radiation, physical metrology, as well as the International System of Units (SI) and Coordinated Universal Time (UTC).