mõõtehälbe komponent, mis korduval mõõtmisel jääb konstantseks või muutub ettearvatavalt, component of measurement error that in replicate measurements remains constant or varies in a predictable manner, mean that would result from an infinite number of measurements of the same measurand carried out under repeatability conditions minus a true value of the measurand, component of the error of measurement which, in the course of a number of measurements of the same measurand, remains constant or varies in a predictable way