High Performance Geluidsdemper / Gehoorbeschermer High Performance
High performance.
>> Gele ABS kap.
>> PVC kussens met leder afwerking.
>> Plooibaar en uittrekbare hoofdband, pocket model.
>> gewicht : 255 g.
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| Hz | Frequency | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||||
| dB | Mean attenuation | 13.7 | 11.4 | 22.1 | 29.0 | 37.5 | 35.8 | 38.4 | 38.5 | ||||
| dB | Standard deviation | 4.5 | 4.0 | 4.4 | 2.2 | 3.0 | 3.8 | 3.8 | 3.4 | ||||
| Effective protection | 9.2 | 7.4 | 17.7 | 26.7 | 34.5 | 32.0 | 34.6 | 35.1 | |||||
