本文件规定了活塞式容积仪（POVA）的一般要求。适用于移液管、滴定管、稀释剂、分配器和手动操作的精密实验室注射器。它进一步定义了活塞式容积仪的使用术语，并给出了用户建议。

This document specifies general requirements for piston-operated volumetric apparatus (POVA). It is applicable to pipettes, burettes, dilutors, dispensers and manually operated precision laboratory syringes. It furthermore defines terms for the use of piston-operated volumetric apparatus and gives user recommendations.