1.1 本规范涵盖用于检测架空电力线上高压交流电（ac）的非接触式高压接近报警器。高压接近报警器（HVPA）仅限于在50 Hz至60 Hz之间的电力系统频率下检测到大于600 V ac的电压。 1.2 高压接近报警器提供声音/视觉警报，并可能具有限制设备移动的能力。 1.3 这些高压接近报警器的使用、安装和维护超出了本规范的范围。本标准并不旨在解决安装、维修或使用方面的问题。 1.4 本标准展示了高压接近报警器（HVPA）检测电场的能力，而不是多条电源线的各种配置的影响。 1.5 以国际单位制或英寸磅单位表示的数值应单独视为标准。 每个系统中规定的值不一定是完全相等的；因此，为了确保符合标准，每个系统应独立使用，并且不得将两个系统的值组合使用。 1.6 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 中给出了具体警告 9.1.4 和 10.9.2 . 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers non-contact high-voltage proximity alarms used to detect high voltage alternating current (ac) on overhead power lines. The high-voltage proximity alarm (HVPA) is limited to the detection of voltage greater than 600 V ac at power system frequencies between 50 Hz to 60 Hz. 1.2 High-voltage proximity alarms provide audible/visual alerts and may have the ability to limit movement of equipment. 1.3 The use, installation, and maintenance of these high-voltage proximity alarms are beyond the scope of this specification. This standard does not purport to address installation, in service care or use. 1.4 This standard demonstrates the high voltage proximity alarm (HVPA’s) ability to detect an E-field, and not the effects of various configurations of multiple power lines. 1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific warnings are given in 9.1.4 and 10.9.2 . 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.