EN 352-3
Ear-muffs EARLINE 60755
Ear-muffs with adapter 60755
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| Hz | Frequency | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||||
| dB | Mean attenuation | 14.3 | 11.3 | 16.1 | 25.8 | 33.1 | 34.8 | 32.7 | 31.0 | ||||
| dB | Standard deviation | 5.7 | 5.2 | 6.4 | 4.6 | 6.1 | 4.5 | 5.5 | 5.7 | ||||
| Effective protection | 8.6 | 6.1 | 9.7 | 21.2 | 27.0 | 30.3 | 27.2 | 25.5 | |||||