Calibration

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Summary

Calibration is a comparison between measurements – one of known magnitude or correctness made or set with one device and another measurement made in as similar a way as possible with a second device.

Details

The device with the known or assigned correctness is called the standard. The second device is the unit under test, test instrument, or any of several other names for the device being calibrated.

The formal definition of calibration by the International Bureau of Weights and Measures is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or secondary standard) and, in a second step, uses this information to establish a relation for obtaining a measurement result from an indication."JCGM 200:2008 International vocabulary of metrologyCopyright: Attribute—Share Alike

External Links

  • WikipediaMaster Calibrators Association - Industry Experts on Electrical Calibration, Adjustment and MetrologyElectrical Calibration VideoVideo which explains the relationship between Calibration - Traceability - Accreditation with flow measuring devices

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