ISO 8655-2:2002规定了用于空气排放（A型）和正排量（D型）单通道和多通道活塞移液器的计量要求，最大允许误差，标记要求和信息要求完成其选定的提示和任何其他必要的消耗性零件，旨在提供其指定的额定容量（Ex）

ISO 8655-2:2002 specifies metrological requirements, maximum permissible errors, requirements for marking and information to be provided for users, for air-displacement (type A) and positive-displacement (type D) single-channel and multi-channel piston pipettes, complete with their selected tip(s) and any other essential, consumable parts, designed to deliver their specified nominal volume (Ex).