mõõtehälbe komponent, mis korduval mõõtmisel muutub ettearvamatult, component of measurement error that in replicate measurements remains constant or varies in a predictable manner, väljastatud mahtude kõikumine väljastatud mahu keskmise ümber, component of the error of measurement which, in the course of number of measurements of the same measurand, varies in an unpredictable way, component of liquid handling error that in replicate liquid deliveries in an unpredictable manner