EN 352-1
Ear-muff 31070
Ear-muff 31070
High performance Very comfortable.
>> Ear cups in ABS.
>> PVC cushions with leather touch.
>> Extent headband.
>> Double headband allowing to wear another safety equipment (helmet, browgaurd, welding helmet...).
>> Weight : 234 g.
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| Hz | Frequency | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||||
| dB | Mean attenuation | 14.9 | 21.2 | 28.1 | 34.3 | 32.7 | 39.7 | 36.3 | ||||
| dB | Standard deviation | 3.1 | 2.8 | 2.7 | 2.4 | 2.3 | 2.6 | 4.4 | ||||
| Effective protection | 11.8 | 18.4 | 25.4 | 31.9 | 30.4 | 37.1 | 31.9 | |||||