标准摘要
[中文适用范围]： ISO 13475的本部分规定了获得固定式声音警告装置的声发射水平的测试条件。 该方法适用于公共户外警报系统中使用的警报器和户外使用的声音信号装置。 该测试代码的目的是能够为用于户外警告的固定警报器提供可靠的声发射水平测量。 ISO 13475 的这一部分不涵盖语音消息，也不包含针对特定警告信号的建议。 [外文原描述]： This part of ISO 13475 specifies the test conditions by which the sound emission level of stationary audible warning devices can be obtained. The methods are applicable to sirens for use in public outdoor warning systems and sound signalling devices for use outdoors. The purpose of this test code is to be able to produce reliable sound emission level measurements for stationary sirens used for warning outdoors. This part of ISO 13475 does not cover spoken messages and contains no recommendations for specific warning signals.
英文名称Acoustics — Stationary audible warning devices used outdoors — Part 1: Field measurements for determination of sound emission quantities