User Manual
Table Of Contents
3M™ PELTOR™ Optime™ III
H540A
A:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000
A:5
H
A:5
L
A:5
M
SNR
A:2 Mean attenuation (dB) 17.4 24.7 34.7 41.4 39.3 47.5 42.6
40
dB
32
dB
23
dB
35
dB
A:3 Standard deviation (dB) 2.1 2.6 2.0 2.1 1.5 4.5 2.6
A:4 APV (dB) 15.3 22.1 32.7 39.3 37.8 43.0 40.0
3M™ PELTOR™ Optime™ III
H540B
A:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000
A:5
H
A:5
L
A:5
M
SNR
A:2 Mean attenuation (dB) 17.5 24.5 34.5 41.4 39.5 47.3 42.0
40
dB
32
dB
23
dB
35
dB
A:3 Standard deviation (dB) 2.3 2.7 2.0 2.2 2.0 4.4 2.8
A:4 APV (dB) 15.2 21.8 32.5 39.2 37.5 42.9 39.2
3M™ PELTOR™ Optime™ III
H540P3
A:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000
A:5
H
A:5
L
A:5
M
SNR
A:2 Mean attenuation (dB) 17.1 24.5 34.8 40.2 39.6 46.7 43.1
40
dB
32
dB
22
dB
34
dB
A:3 Standard deviation (dB) 2.3 2.8 2.2 2.0 1.8 4.2 2.5
A:4 APV (dB) 14.8 21.7 32.6 38.2 37.8 42.5 40.6
3M™ PELTOR™ H31A
A:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000
A:5
H
A:5
L
A:5
M
SNR
A:2 Mean attenuation (dB) 11.2 17.4 29.7 36.2 37.3 34.7 35.7
33
dB
25
dB
15
dB
27
dB
A:3 Standard deviation (dB) 3.7 3.8 2.5 3.1 3.6 3.2 3.7
A:4 APV (dB) 7.5 13.6 27.2 33.1 33.7 31.5 32.0
3M™ PELTOR™ H31P3
A:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000
A:5
H
A:5
L
A:5
M
SNR
A:2 Mean attenuation (dB) 11.8 19.2 28.6 34.3 37.7 37.8 38.0
35
dB
26
dB
16
dB
28
dB
A:3 Standard deviation (dB) 3.2 3.8 2.7 1.8 3.8 2.9 1.9
A:4 APV (dB) 8.6 15.4 25.9 32.5 33.9 34.9 36.1