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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.
NCWM's various model standards are published annually by the National Institute of Standards and Technology (NIST) in three handbooks: Handbook 44: Specifications and Tolerances and Other Technical Requirements for Weighing and Measuring Devices, Handbook 130: Uniform Laws and Regulations, and Handbook 133: Checking the Net Contents of Packaged ...
In 2003 FISMA Project, Now the Risk Management Project, launched and published requirements such as FIPS 199, FIPS 200, and NIST Special Publications 800–53, 800–59, and 800–6. Then NIST Special Publications 800–37, 800–39, 800–171, 800-53A.
In addition, commercial producers adhering to criteria and protocols defined by NIST may use the trademark [13] "NIST traceable reference material" to designate certified reference materials with a well-defined traceability linkage to existing NIST standards for chemical measurements. [14] [15]
[5] [6] A bronze caliper, dating from 9 AD, was used for minute measurements during the Chinese Xin dynasty. The caliper had an inscription stating that it was "made on the gui-you day, [a] the first day [b] of the first month of the first year of Shijianguo. [c]" The calipers included a "slot and pin" and "graduated in inches and tenths of an ...
FIPS 140-3 became effective on September 22, 2019. [6] FIPS 140-3 testing began on September 22, 2020, and a small number of validation certificates have been issued. FIPS 140-2 testing was available until September 21, 2021, creating an overlapping transition period of one year.