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  2. National Conference on Weights and Measures - Wikipedia

    en.wikipedia.org/wiki/National_Conference_on...

    This program provides certification that a manufacturer of a particular model or family of weighing or measuring devices is capable of meeting the United States standards as adopted by NCWM and published in Handbook 44. Most states require NTEP Certification for new equipment placed into commercial service. [3]

  3. Certified reference materials - Wikipedia

    en.wikipedia.org/wiki/Certified_reference_materials

    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. Reference materials are particularly important ...

  4. Precision measurement equipment laboratory - Wikipedia

    en.wikipedia.org/wiki/Precision_Measurement...

    A Precision Measurement Equipment Laboratory (PMEL) is a United States Air Force (USAF) facility in which the calibration and repair of test equipment takes place. This practice is also known as metrology: the science of measurement. Metrology is defined as the science of weights & measures, while a PMEL is the place where technicians perform ...

  5. Jefferson Milling Company awarded Excellence in ... - AOL

    www.aol.com/lifestyle/jefferson-milling-company...

    Aug. 16—JEFFERSON — Roger Beckwith of the Jefferson Milling Company got a surprise Tuesday morning when County Auditor David Thomas and the Auditor's Certified Weights and Measures staff ...

  6. Mettler Toledo - Wikipedia

    en.wikipedia.org/wiki/Mettler_Toledo

    On October 1, 1907, Massachusetts adopted the first weights and measures laws in the United States. [7] In 1912, the company name changed once again, to Toledo Scale Company. [8] Additionally, a new scale line featuring a double pendulum mechanism and a dial face was introduced and was most suited for industrial applications. [9]

  7. National Institute of Standards and Technology - Wikipedia

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

    The Articles of Confederation, ratified by the colonies in 1781, provided: . The United States in Congress assembled shall also have the sole and exclusive right and power of regulating the alloy and value of coin struck by their own authority, or by that of the respective states—fixing the standards of weights and measures throughout the United States.

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