Set of quantity values over which a measuring instrument or measuring system provides measurement results with acceptable measurement uncertainty under defined conditions.
Notes: - In some fields, the term is "measurement range". In entry 4.7 of VIM, a similar concept termed "measuring interval" is defined.
- The working interval is bounded by the lower and upper limit of quantification.
- The lower limit of a working interval should not be confused with the detection limit.
See also: linearity of a measuring system (Note 2)
Source:
PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1018 (https://doi.org/10.1515/pac-2019-0819)