 Ideas that wear well.® |
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M2 Multi-Position Earmuff
Over
Attenuation Data
| Tested According to ANSI Specs S3.19-1974 by Michael & Assoc., State College, PA. | |||||||||||
| Frequency (Hz) Frecuencia (Hz) Fréquence (Hz) |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | ||
| Mean Attenuation (dB) Atenuación de Dato (dB) Atténuation Moyenne (dB) |
16.4 | 23.9 | 29.4 | 34.2 | 35.6 | 43.7 | 45.0 | 43.2 | 42.1 | NRR 26 | CSA AL |
| Standard Deviation (dB) Desviación Standard (dB) Écart Standard (dB) |
2.3 | 2.5 | 2.3 | 2.4 | 2.4 | 2.4 | 2.1 | 2.8 | 3.1 | NRR 26 | CSA AL |
Under
Attenuation Data
| Tested According to ANSI Specs S3.19-1974 by Michael & Assoc., State College, PA. | |||||||||||
| Frequency (Hz) Frecuencia (Hz) Fréquence (Hz) |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | ||
| Mean Attenuation (dB) Atenuación de Dato (dB) Atténuation Moyenne (dB) |
15.5 | 20.2 | 25.7 | 33.5 | 36.7 | 42.0 | 42.2 | 43.7 | 40.8 | NRR 24 | CSA AL |
| Standard Deviation (dB) Desviación Standard (dB) Écart Standard (dB) |
1.9 | 2.4 | 2.4 | 2.1 | 3.4 | 2.7 | 3.0 | 4.5 | 4.4 | NRR 24 | CSA AL |
Behind
Attenuation Data
| Tested According to ANSI Specs S3.19-1974 by Michael & Assoc., State College, PA. | |||||||||||
| Frequency (Hz) Frecuencia (Hz) Fréquence (Hz) |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | ||
| Mean Attenuation (dB) Atenuación de Dato (dB) Atténuation Moyenne (dB) |
15.3 | 21.6 | 25.2 | 33.1 | 36.1 | 41.4 | 41.3 | 43.5 | 40.9 | NRR 24 | CSA AL |
| Standard Deviation (dB) Desviación Standard (dB) Écart Standard (dB) |
2.4 | 2.4 | 2.2 | 2.4 | 3.2 | 3.8 | 3.4 | 3.4 | 4.3 | NRR 24 | CSA AL |