Dictionary · General
Systematic measurement error
The component of measurement error that in replicate measurements remains constant or varies predictably. Known systematic errors are compensated by correction.
Related terms
More from General
Metrology
The science of measurement and its application — including all theoretical and practical aspects, whatever the uncertainty and field of application.
VIM (JCGM 200:2012) 2.2
Measurement principle
The phenomenon serving as the basis of a measurement — thermoelectric effect for a thermocouple, Doppler shift for a radar gun.
VIM (JCGM 200:2012) 2.4
Random measurement error
The component of measurement error that varies unpredictably in replicate measurements, characterized by a distribution usually summarized by its standard deviation.
VIM (JCGM 200:2012) 2.19
Measurement procedure
A detailed description of a measurement according to a principle and method, based on a measurement model — detailed enough that a trained operator can perform it. The SOP is its documented form.
VIM (JCGM 200:2012) 2.6
Measurement error
Measured quantity value minus a reference quantity value; comprises a systematic component and a random component.
VIM (JCGM 200:2012) 2.16
Nominal property
A property of a phenomenon, body, or substance that has no magnitude — the sex of a specimen, the color sequence of a resistor, an ISO country code. It can be examined and classified, but not measured.
VIM (JCGM 200:2012) 1.30