en

uncertainty of measurement

1

Terminological databases

EKI terminibaas Esterm

ID 710019 Last modified 28.04.2015
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Domain Standardisation - Metrologymeasuring procedures
mõõtemääramatus preferred
measurement uncertainty preferred
uncertainty of measurement
Messunsicherheit preferred
  • mõõtetulemusega seonduv parameeter, mis iseloomustab mõõtesuurusele põhjendatult omistatavate väärtuste tõenäosusjaotust
  • non-negative parameter characterizing the dispersion of the quantity values being attributed to a measurand, based on the information used
mõõtemääramatus preferred
määramatus
measurement uncertainty preferred
Good to know
  • Measurement uncertainty includes components arising from systematic effects, such as components associated with corrections and the assigned quantity values of measurement standards, as well as the definitional uncertainty. Sometimes estimated systematic effects are not corrected for but, instead, associated measurement uncertainty components are incorporated.
uncertainty of measurement
uncertainty
incertitude de mesure
Messunsicherheit preferred

Metroloogia terminibaas

ID 573005 Last modified 18.01.2026
View dataset
View dataset
Domain metrologymeasuring procedures
mõõtemääramatus preferred
measurement uncertainty preferred
uncertainty of measurement
  • olemasoleva info põhjal mõõtesuurusele omistatud väärtuste hajuvust (jaotust) iseloomustav mittenegatiivne parameeter
    Good to know
    • Parameetriks võib olla näiteks standardhälve, mida nimetatakse standardmääramatuseks (või selle teatud kordne), või antud kattetõenäosusega vahemiku poollaius.
  • non-negative parameter characterizing the dispersion of the quantity values being attributed to a measurand, based on the information used
    Good to know
    • The parameter may be, for example, a standard deviation called standard measurement uncertainty (or a specified multiple of it), or the half-width of an interval, having a stated coverage probability.
  • estimate characterizing the range of values within the true value of a measurand lies
mõõtemääramatus preferred
Usage examples
  • Mõõtemääramatus sisaldab üldjuhul palju komponente ja ühtesid neist saab hinnata määramatuse A-tüüpi hindamismeetodil mõõdiste seeriate statistiliste jaotustega ja iseloomustada standardhälvetega ning teisi neist, mida saab hinnata määramatuse B-tüüpi hindamismeetodil, saab samuti iseloomustada standardhälvetega, hinnatud tõenäosusjaotuste alusel, mis põhinevad kogemusel või täiendaval infol.
Good to know
  • Mõõtemääramatus sisaldab süstemaatilistest efektidest tulenevaid komponente, nagu parandite või etalonidele omistatud suuruse väärtustega seotud komponente, aga ka mõõtesuuruse määratluse määramatust. Mõnikord ei ole süstemaatilise efekti hinnanguid paranditena arvesse võetud, vaid kaasatud nendega seotud mõõtemääramatuse komponentidena. Olemasoleva info alusel tõdetakse üldjuhul, et mõõtemääramatus on seotud mõõtesuurusele omistatud suuruse väärtusega ja selle muutmine põhjustab ka seotud mõõtemääramatuse muutumist.
määramatus
measurement uncertainty preferred
Usage examples
  • Measurement uncertainty comprises, in general, many components: some of these may be evaluated by Type A evaluation of measurement uncertainty from the statistical distribution of the quantity values from series of measurements and can be characterized by standard deviations, and the other components, which may be evaluated by Type B evaluation of measurement uncertainty, can also be characterized by standard deviations, evaluated from probability density functions based on experience or other information.
Good to know
  • Measurement uncertainty includes components arising from systematic effects, such as components associated with corrections and the assigned quantity values of measurement standards, as well as the definitional uncertainty. Sometimes estimated systematic effects are not corrected for but, instead, associated measurement uncertainty components are incorporated. In general, for a given set of information, it is understood that the measurement uncertainty is associated with a stated quantity value attributed to the measurand and modification of this value results in a modification of the associated uncertainty.
uncertainty of measurement
uncertainty

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