ISO 11140-1:2014规定了通过物质和/或化学物质变化显示暴露于灭菌过程的指标的一般要求和测试方法，以及用于监测一个或多个过程参数）。他们不依赖于对有机体存在或不存在的行为

ISO 11140-1:2014 specifies general requirements and test methods for indicators that show exposure to sterilization processes by means of physical and/or chemical change of substances, and which are used to monitor the attainment of one or more of the process parameter(s) specified for a sterilization process. They are not dependent for their action on the presence or absence of a living organism.