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{{Language_sel|LANG=ger|ARTIKEL=Kalibrieren}}
{{PSM_Infobox}}
<span style="font-size:1.2em;font-weight:bold;">Calibration</span>
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==Measurement process==

In [[Materials Testing|materials testing]], the term calibration, i.e. the practical activity of ‘calibrating’, refers to the determination of the relationship between the [[Measured Value|measured values]] of a measuring system used and the corresponding values defined by reference to ‘standards’. In measurement testing technology, calibration is understood as a measurement process for determining and documenting the deviation of a measuring device (see: [[Measurement Deviation|measurement deviation]]) or a measuring standard from the ‘correct’ value, represented by a reference standard.

The deviations from this standard must be documented and taken into account for correction during subsequent use of the measuring device.

==Target and actual comparison==

Calibration always provides a snapshot of the target and actual status of a scientific or technical device or a measurement method. The time between two calibrations is referred to as the calibration interval. Extending calibration intervals may increase the [[Measuring Uncertainty|uncertainty of measurement]] results. One common problem is the temporal behaviour (drift) of a measuring device. Statements on this can only be made after repeated calibrations.

==Examples==

Possible temperature drifts must also be taken into account, e.g. in WHEATSTONE bridge circuits for recording force–time signals in [[Electronic Instrumentation|instrumented]] test methods such as [[Instrumented Charpy Impact Test|instrumented Charpy impact tests]] (ICIT), [[Instrumented Tensile Impact Test (ITIT)|instrumented tensile impact tests (ITIT)]] and [[Instrumented Puncture Impact Test|instrumented puncture impact tests]] ([[Impact Loading Free-falling Dart Test|instrumented free-falling dart test]]).

==See also==

* [[Verification]]
* [[Adjustment]]
* [[Measure]]
* [[Measurement Deviation|Measurement deviation]]
* [[Measuring Uncertainty|Measuring uncertainty]]
* [[Measuring Device Monitoring|Measuring device monitoring]]
* [[Testing|Testing]]

'''References'''

* [[Blumenauer, Horst|Blumenauer, H.]] (Ed.): Werkstoffprüfung. Deutscher Verlag für Grundstoffindustrie, Leipzig Stuttgart (1994), 6th Edition (ISBN 3-342-00547-5; see [[AMK-Büchersammlung|AMK-Library]] under M 3)

==Weblink==

* Wikipedia – The Free Encyclopedia: Calibration https://en.wikipedia.org/wiki/Calibration

[[category:Measurement Testing Technology]]

Calibration - Revision history