The Peltor Optime II H520P3E is a model of earmuffs that can be easily inserted into a protective helmet, so that the dual safety function (head and ear) is easily and comfortably covered. The ear pads combine liquid and foam to increase comfort and make these earmuffs perfect for prolonged use.
It is developed for demanding environments with high noise levels and protects even at very low frequencies. Specially designed to prevent industrial noise in factories, airports, construction or in the use of agricultural machinery. The technical characteristics of these earmuffs are as follows:
- SNR= 31 H= 34 M= 28 L= 19
| Frequency in Hz |
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
| Average attenuation dB |
14,1 |
19,4 |
32,0 |
39,9 |
36,2 |
35,4 |
39,2 |
| Mean deviation dB |
2,3 |
2,7 |
2,7 |
2,4 |
2,6 |
4,4 |
2,6 |
| Assumed protection dB |
11,8 |
16,7 |
29,3 |
37,5 |
33,6 |
31,0 |
36,6 |