EN 352-2
Headband 30230
Headband 30230
> Black polypropylene headband (reusable).
> Box of 40 bands.
Specific features:
> Comfort and easy use.
> Spare earplugs available (ref. 30235).
> To be worn under the chin (UTC) or over the head (OTH).
> UTC: SNR 20 dB (H 25 dB ; M 16 dB ; L 14 dB).
> OTH: SNR 21 dB (H 25 dB ; M 17 dB ; L15 dB).
| ||||||||||||
Hz | Frequency | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||||
dB | Mean attenuation | 21.9 | 20.4 | 20.5 | 23.1 | 32.1 | 41.0 | 38.6 | ||||
dB | Standard deviation | 6.5 | 6.2 | 7.4 | 5.5 | 5.3 | 7.5 | 8.7 | ||||
Effective protection | 15.4 | 14.2 | 13.1 | 17.6 | 26.8 | 33.5 | 29.9 |