accuracy

of a measuring instrument
https://doi.org/10.1351/goldbook.A00059
Ability of a measuring instrument to give responses close to a true value.
Sources:
PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2174 (https://doi.org/10.1351/pac199062112167)
VIM (https://www.iso.org/standard/45321.html)