3M Peltor Twin Cup MT72H540P3E-50 - Attenuation Performance Data

3
E)
E (AU / NZ)
MT72H540P3E-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17.9 27.3 34.0 35.8 31.5 40.5 36.5
Standard Deviation (dB) 3.3 3.6 4.2 2.9 3.0 4.7 4.0
Assumed Protection (dB) 14.6 19.7 29.0 32.9 28.5 35.8 32.5
SNR=31dB H=31dB M=29dB L=24dB
MT72H540P3E-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17.6 23.5 35.0 40.5 35.0 41.7 41.3
Standard Deviation (dB) 2.9 3.1 3.9 3.3 2.2 3.1 3.2
Mean - Standard Deviation (dB) 14.7 20.4 31.1 37.2 32.8 38.6 38.1
SNR=31dB H=31dB M=29dB L=24dB
MT72H540F-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 18.9 24.4 32.7 35.3 33.3 41.0 39.4
Standard Deviation (dB) 2.3 1.8 1.7 2.6 2.7 3.0 3.2
Assumed Protection (dB) 16.6 22.6 31.0 32.7 30.6 38.1 36.2
SNR=33dB H=33dB M=31dB L=24dB
MT72H540F-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17.9 23.4 35.1 40.6 35.1 41.8 40.4
Standard Deviation (dB) 3.2 2.6 2.6 4.5 3.5 3.4 3.7
Mean - Standard Deviation (dB) 14.7 20.8 32.5 36.1 31.6 38.4 36.7
SNR=33dB H=33dB M=31dB L=24dB