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Chinese Standard: GB/T 31422-2015

Personal protective equipment—General technical requirements for hearing protectors

全国个体防护装备标准化技术委员会(SAC/TC 112)

本标准规定了耳罩式和耳塞式护听器的要求、物理性能测试、声学性能测试及标识等。
 本标准适用于在工作场所中使用的耳罩式和耳塞式护听器。
本标准不适用于带孔或阀的护听器的声学性能测试和带电路护听器的电路开启状态下的声学性能测试。

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