本文件规定 —？计量要求， —？最大允许误差， —？标记要求和 —？向用户提供的信息， 用于手动操作的精密实验室注射器，由玻璃或玻璃和金属制成，用于输送所选体积（Ex）。 手动操作的精密实验室注射器是用于输送液体和气体的仪器。桶通常由玻璃制成，柱塞和针通常由金属制成。

This document specifies —    metrological requirements, —    maximum permissible errors, —    requirements for marking and —    information to be provided for users, for manually operated precision laboratory syringes made of glass or glass and metal designed to deliver their selected volume (Ex). Manually operated precision laboratory syringes are instruments used for delivering liquids and gases. The barrel is typically made of glass and the plunger and the needle are typically made of metal.