Time interval during which an item is in operating state. NOTE Operating time includes actual operation of the equipment or the equipment being available for performing its required function on demand. See also Table 4.
Source: API STD 689, Collection and Exchange of Reliability and Maintenance Data for Equipment, First Edition, July 2007. Global Standards
Time interval during which an item is in an operating state.
Source: ISO 20815:2008, Petroleum, petrochemical and natural gas industries – Production assurance and reliability management. Global Standards