äärmuslikud tingimused, mille toimet mõõtevahend või -süsteem peab taluma kahjustusteta ja täpselt määratletud metroloogiliste parameetrite halvenemiseta selle edaspidisel kasutamisel normitud kasutustingimustel, extreme operating condition that a measuring instrument or measuring system is required to withstand without damage, and without degradation of specified metrological properties, when it is subsequently operated under its rated operating conditions, extreme condition which an operating measuring instrument can withstand without damage and without degradation of its metrological characteristics when it is subsequently operated under its rated operating conditions, tingimused, mille mõjule mõõtevahend peab vastu pidama riketeta ja metroloogiliste omaduste halvenemiseta tema edasisel kasutamisel töötingimustel