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Legal metrology, covering the regulation and statutory requirements for measuring instruments and methods of measurement; In each country, a national measurement system (NMS) exists as a network of laboratories, calibration facilities and accreditation bodies which implement and maintain its metrology infrastructure.
In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy. Such a standard could be another measurement device of known accuracy, a device generating the quantity to be measured such as a voltage , a sound tone, or a ...
Metrology is the science of measurement and its application. [1] Main articles ... National Physical Laboratory; NCSL International; Norwegian Metrology Service;
Common tools and techniques of measurement system analysis include: calibration studies, fixed effect ANOVA, components of variance, attribute gage study, gage R&R, [1] ANOVA gage R&R, and destructive testing analysis. The tool selected is usually determined by characteristics of the measurement system itself.
ISO 15189 Medical laboratories — Requirements for quality and competence is an international standard that specifies the quality management system requirements particular to medical laboratories. The standard was developed by the International Organisation for Standardization 's Technical Committee 212 (ISO/TC 212).
NCSL International (NCSLI) (from the founding name "National Conference of Standards Laboratories") is a global, non-profit organization whose membership is open to any organization with an interest in metrology (the science of measurement) and its application in research, development, education, and commerce.
Laboratory quality control is designed to detect, reduce, and correct deficiencies in a laboratory's internal analytical process prior to the release of patient results, in order to improve the quality of the results reported by the laboratory.
A primary standard in metrology is a standard that is sufficiently accurate such that it is not calibrated by or subordinate to other standards. Primary standards are defined via other quantities like length, mass and time. Primary standards are used to calibrate other standards referred to as working standards.