D E S C R I P T I O N | COLOR | ITEM# |
---|---|---|
ABS Cap-Mounted Earmuffs-Medium Grade | ![]() | HEM-3202C |
Tested according to EN 352-3:2020
Attenuation data
Frequency(Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | SNR | ||||||||||||
Mean attenuation(dB) | 18.9 | 21.9 | 30.6 | 33.7 | 33.0 | 34.4 | 34.1 | 30dB | ||||||||||||
Standard deviation(dB) | 14.7 | 18.6 | 28.0 | 30.8 | 29.8 | 32.0 | 31.8 | |||||||||||||
Mean-Minus-Std Deviation(dB) | 14.7 | 18.6 | 28.0 | 30.8 | 29.8 | 32.0 | 31.8 | |||||||||||||
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Tested according to ANSI S3.19- 1974
Attenuation data
Frequency(Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | NRR |
Mean attenuation(dB) | 15.9 | 18.2 | 27.5 | 33.3 | 35.8 | 38.3 | 33.9 | 22db |
Standard deviation(dB) | 2.6 | 2.7 | 3.3 | 3.7 | 3.7 | 4.3 | 4.2 |
Tested according to AS/NZS 1270:2002
Attenuation data
Frequency(Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | SLC(80) | Class 5 |
Mean attenuation(dB) | 16.6 | 19.1 | 28.5 | 33.9 | 35.9 | 36.5 | 34.9 | 28.4dB | |
Standard deviation(dB) | 4.5 | 4.1 | 5.2 | 3.9 | 4.0 | 4.3 | 6.5 | ||
Mean-Minus-Std Deviation(dB) | 12.1 | 15.0 | 23.3 | 30.0 | 31.9 | 32.2 | 28.4 |