标准摘要
[中文适用范围]： 本部分规定了适用于低压配电系统（标称电压高达1 000 V交流电和1 500 V直流电）中用于测试电气安全的测量和监测设备的一般要求。当测量设备或测量装置涉及本系列标准涵盖的各种测量任务的测量任务时，本系列标准中适用于每个测量任务的部分适用。注意：术语“测量设备”此后将用于指代“测试、测量和监测设备”。IEC 61557系列的其他部分可以规定额外的要求或偏离。本文档不涵盖功能安全或网络安全。 [外文原描述]： IEC 61557-1:2019 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part of this series relevant to each of the measurement tasks is applicable. Other parts of IEC 61557 can specify additional requirements or deviations. This document does not cover functional safety or cybersecurity. IEC 61557-1:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This third edition includes the following significant technical changes with respect to the previous edition: a) terms aligned with IEC 60050; b) measurement of uncertainty revised according to the equations in 4.2 of ISO/IEC Guide 98-3:2008 (GUM); c) updated references for safety and EMC requirements; d) updated references for marking and operating instructions; e) updated references for testing safety and EMC; f) Annex A contains an explanation of GUM; g) Annex B addresses environmental aspects.
英文名称Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements