{"tema_id":"910","string":"instrumental drift           #02150","created":"2022-12-19 09:13:33","code":null,"notes":[{"@type":"Scope note","@lang":"en-EN","@value":"1. In this Recommendation, \u201cdrift\u201d means a change in the indication which occurs during a stated period of time at a given concentration of SO2 in a sample to be analyzed. 2. (VIM:2007, 4.21) "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: R143:2009 2.24 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 02150 "},{"@type":"Definition note","@lang":"en-EN","@value":"continuous or incremental change over time in the indication, due to changes in the metrological properties of a measuring instrument. "}]}