直流电位差计

[中文适用范围]： 指定分类系统；给出每个精度等级的允许误差；包括确定错误的条件。适用于精度等级从 0.0005 到 0.1 的直流电位器。电位器。 [外文原描述]： Applicable to d.c. potentiometers assembled from resistors and switches and operating entirely on direct current, having accuracy classes of 0.0005 ... 0.1, as well as to auxiliary equipment which is a built-in part of the potentiometer. Classification system. Permissible errors for each accuracy class. Conditions for determination of errors. Markings. Information by the manufacturer.