Rate at which the whole cycle of primary-ion pulse, ion extraction, mass analysis, and removal of slow ions is repeated to build up a mass spectrum in a time-of-flight mass spectrometer.
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1844 (https://doi.org/10.1515/pac-2019-0404)