3M PELTOR HT 79 Serie Manual Del Usuario página 2

(A) EN 352-1:2002 / EN 352-3:2002
MT7H79A*, MT7H79B*, MT7H79F*, HT*79A*, HT*79F*, HT*79B*
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
MT7H79P3E*, HT*79P3*
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
MT7*H540F*
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
MT7*H540P3E*
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
(B) ANSI S3.19-1974
MT7*H540P3E*
B:1 Test Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB)
MT7H79AB*
B:1 Test Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB)
MT7H79P3E*
B:1 Test Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB)
MT7H79F*
B:1 Test Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB)
125 250 500 1000
17.7 27.1 33.8
2.9 2.1 2.4
14.8 25.0 31.4
125 250 500 1000
17.2 26.4 33.9
3.1 2.5 2.7
14.1 23.9 31.2
125 250 500 1000
18.9 24.4 32.7
2.3 1.8 1.7
16.6 22.6 31.0
125 250 500 1000
17.9 23.3 34.0
3.3 3.6 4.2
14.6 19.7 29.8
125 250 500 1000
16.7 22.0 31.7
2.7 2.3 2.6
125 250 500 1000
16.2 23.0 31.8
3.1 2.5 3.0
125 250 500 1000
16.5 22.0 28.6
3.7 3.2 3.6
125 250 500 1000
17.9 23.9 34.4
3.1 3.6 3.2
EN 352-1:2002
2000 4000 8000
38.1 36.2 33.6
2.6 2.3 2.5
35.5 33.9 31.1
H = 33 dB, M = 32 dB, L = 24 dB
EN 352-1:2002
2000 4000 8000
37.2 35.4 33.2
2.3 2.6 2.4
34.9 32.8 30.8
H =33 dB, M = 31 dB, L = 23 dB
EN 352-1:2002
2000 4000 8000
35.3 33.3 41.0
2.6 2.7 3.0
32.7 30.6 38.1
H =33 dB, M = 31 dB, L = 24 dB
EN 352-3:2002
2000 4000 8000
35.8 31.5 40.5
2.9 3.0 4.7
32.9 28.5 35.8
H =31 dB, M = 29 dB, L = 21 dB
ANSI S3.19-1974
2000 3150 4000
36.3 33.7 34.1
2.3 2.1 2.1
ANSI S3.19-1974
2000 3150 4000
38.4 34.4 31.4
3.8 3.3 3.3
ANSI S3.19-1974
2000 3150 4000
34.9 32.0 28.7
4.4 3.5 2.9
ANSI S3.19-1974
2000 3150 4000
40.3 36.1 31.3
2.8 2.5 2.8
SNR
37.1
33
2.2
34.9
SNR
37.0
32
2.0
35.0
SNR
49.4
33
3.2
36.2
SNR
36.5
31
4.0
32.5
6300 8000 NRR
34.0 33.5 35.6
2.9 3.2 3.7
6300 8000 NRR
33.4 34.2 35.6
2.3 3.3 2.7
6300 8000 NRR
31.2 32.5 32.5
3.2 3.4 4.1
6300 8000 NRR
33.1 32.5 35.4
2.6 3.1 2.4
CSA
Class
25
B
CSA
Class
24
B
CSA
Class
21
B
CSA
Class
25
B