Metrological traceability means the measurement result which may be related via an unbroken chain of calibrations, including measurement uncertainty determination, to specified references. It is a basic assurance that a relationship exists involving the measurement connection between a measurement instrument and the worth of a measurement standard. All of Tektronix standards are traceable straight to the International System of Measurements (SI), which is the most in-demand 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 to the SI assists you to achieve the accuracy, precision and interchangeability required for global trade markets. To supply truly standardized components, industry is dependent upon reliable and consistent measurements which are traceable into a recognized measurement system for example the International System of Units.
Traceability is especially important to businesses 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 so that they can claim ISO compliance for product. This compliance is normally a signal of an organization’s commitment to service and/or quality.
NIST Traceable Calibration
Within the U.S., NIST is the legally established National Standards Laboratory. As such, NIST gets the responsibility “to develop, maintain and retain custody with the national standards of measurement, and to provide the means and methods to make measurements consistent with those standards; to assure the compatibility of U . s . national measurement standards with those standards; and assure the compatibility of U . s . national measurement standards with those of other nations.” [15 U.S.C. 271] NIST ensures the U.S. national standards are accurate realizations in the seven base units from the SI.
Important a NIST traceable calibration is thorough documentation of the measurement process utilized to establish the series of calibrations that successively hyperlink to the actual required reference standard. NIST is responsible only for documenting traceability for its reference standards along with the instruments it directly measures. Documenting NIST traceable calibrations in the commercial environment may be the sole responsibility in the lab performing the calibration work.
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