常规耳罩标准
1、耳套:EN 352-1:2002 Hearing protectors - General requirements - Part 1: Ear-Muffs
2、耳塞:EN 352-2:2002 Hearing protectors - General requirements - Part 2: Ear-plugs
3、固定在工业安全帽上的耳套:EN 352-3:2002 Hearing protectors - General requirements - Part 3: Ear-muffs attached to an industrial safety helmet
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注:新版欧盟PPE法规(EU)2016/425,Hearing protection moving from Category II to Category III 听力保护从 II 类移入 III 类 。
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标准要求
1 Size, Materials and construction 尺寸,材料和结构
2 Sizing and adjustability 大小和调节能力
3 Cup rotation 耳罩外壳旋转
4 Headband force 头带强度
5 Cushion pressure 衬垫压力
6 Resistance to damage when dropped 抗跌性
7 Resistance to damage when dropped at low temperature (optional)
8 Change in headband force (including optional water immersion - headband under stress)
9 Insertion loss 插入损耗
10 Resistance to leakage 防泄漏
11 Ignitability 阻燃性
12 Minimum attenuation 最小衰减量
MARK标记
a) 制造商或授权代表,商标,
b) 产品规格,型号
c) “EN 352” 须印在产品上
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