Metrological traceability refers to the measurement result which can be related via an unbroken chain of calibrations, including measurement uncertainty determination, to specified references. It is often a basic assurance which a relationship exists relating to the measurement link between a measurement instrument as well as the valuation on a measurement standard. All Tektronix standards are traceable directly to the International System of Measurements (SI), the most widely used international system of measurement responsible for defining the meter, kilogram, second, ampere, kelvin, mole, and candela.
How Traceability Impacts Global Markets
Traceability of measurement results in the SI makes it possible to attain the accuracy, precision and interchangeability essential for global trade markets. To deliver truly standardized components, industry depends upon consistent and reliable measurements which can be traceable into a recognized measurement system such as the International System of Units.
Traceability is particularly vital that you firms that must adhere to or keep to the requirements of International Organization for Standardization (ISO) standard(s). ISO requirements often require that test, measurement and control equipment be traceable to recognized national or international standards. Other organizations may voluntarily follow the requirements of ISO to be able to claim ISO compliance for product. This compliance is generally a signal of an organization’s resolve for service and/or quality.
NIST Traceable Calibration
Within the U.S., NIST will be the legally established National Standards Laboratory. Consequently, NIST contains the responsibility “to develop, maintain and retain custody of the national standards of measurement, also to provide you with the means and methods for making measurements in line with those standards; to guarantee the compatibility of United States national measurement standards with those standards; also to assure the compatibility of U . s . national measurement standards with that regarding other nations.” NIST ensures the U.S. national standards are accurate realizations in the seven base units in the SI.
Important a NIST traceable calibration is thorough documentation from the measurement process used to establish the compilation of calibrations that successively url to the required reference standard. NIST is responsible just for documenting traceability for the reference standards as well as the instruments it directly measures. Documenting NIST traceable calibrations in the industry environment may be the sole responsibility in the lab performing the calibration work.
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