Ear muff
Ear muff Classic
EP 21
Features :
Light weight & extremely comfortable.
Special ABS Ear cups for durability.
Three positions adjustable.
Soft cushioned pads for good seal against noise.
Recommended areas: Airports, Excavation equipment, generators high frequency welding.
Standard
Conforming to EN352-1: 2002
Product category
Personal protection equipment (PPE)
Specifications
| BT01 | Frequency (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mean Attenuation (dB) | 11.3 | 10.6 | 16.5 | 19.9 | 30.4 | 31.9 | 35.9 | 35.4 | |
| Standard Deviation (dB) | 2.8 | 2.7 | 3.0 | 2.4 | 3.4 | 3 | 2.8 | 5.7 | |
| Assumed Protection (dB) | 8.4 | 7.9 | 13.5 | 17.5 | 27.0 | 28.9 | 33.1 | 29.7 | |
| SNR = 25dB | H = 30 dB | M = 22 dB | L = 15 dB | ||||||