标准摘要
[中文适用范围]： 适用于相位表、功率因数表和同步表以及与其一起使用的不可互换附件。 [外文原描述]： Applies to direct acting indicating analogue phase meters, power factor meters and synchroscopes, and to non-interchangeable accessories used with phase meters, power factor meters and synchroscopes.
英文名称Direct acting indicating analogue electrical measuring instruments and their accessories. Part 5: Special requirements for phase meters, power factor meters and synchroscopes