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Attenuation Data
Arco Blue Ear Muffs Helmet Mounted Attenuation Data
| Frequency Hz | Mean Attenuation (dB) | Standard Deviation (dB) | Assumed Protection (dB) |
|---|---|---|---|
| 125 | 10.4 | 3.2 | 7.2 |
| 250 | 14.0 | 1.8 | 12.2 |
| 500 | 25.8 | 2.6 | 23.2 |
| 1000 | 35.1 | 1.8 | 33.3 |
| 2000 | 33.1 | 3.9 | 29.2 |
| 4000 | 34.3 | 1.7 | 32.6 |
| 8000 | 38.5 | 1.8 | 36.7 |
| H - 32dB, M - 23dB, L - 14dB, SNR - 26dB | |||
Stocked item, normally delivered in 2 days.
Standard delivery on this item is free.
Next working day and next working day pre 10:00 am delivery are both available for orders of this item placed before 15:00. However please note that for deliveries to Northern Ireland next working day pre 10:00 am is not available and orders for next day delivery need to be placed by 12:00 noon. Please note there are additional charges for these delivery options.
Returns of faulty items are free of charge, no fault returns may be subject to a handling charge. Please see the Arco Standard Returns Policy.
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