Publicidad
Tested according to EN352-3:2020
Helmet Mounted Ear defenders
Size Range: Small, Medium, Large
SANA 25
Frequency (Hz)
125
Mean Attenuation (dB)
9.3
Standard Deviation (dB)
3.2
Assumed Protection Value (dB)
6.1
SNR
= 27.6
H= 33dB
m
SNR
= 2.4
M = 23dB
s
SNR (dB) = 25.0
L = 14dB
SANA 30
Frequency (Hz)
125
Mean Attenuation (dB)
17.1
Standard Deviation (dB)
3.3
Assumed Protection Value (dB)
13.8
SNR
= 32.3
H= 36dB
m
SNR
= 2.0
M = 28dB
s
SNR (dB) = 30.0
L = 20dB
SANA 34
Frequency (Hz)
125
Mean Attenuation (dB)
22.3
Standard Deviation (dB)
3.0
Assumed Protection Value (dB)
19.3
SNR
= 35.9
H= 36dB
m
SNR
= 1.7
M = 32dB
s
SNR (dB) = 34.0
L = 25dB
4
Attenuation Data
250
500
1000
2000
4000
16.4
22.5
33.9
36.4
37.5
3.5
2.5
3.5
2.9
3.2
12.9
20.0
30.3
33.5
34.3
H
= 35.2
H
= 2.3
m
s
M
= 25.2
M
= 2.4
m
s
L
= 16.8
L
= 2.9
m
s
250
500
1000
2000
4000
19.9
27.5
39.5
38.4
37.5
2.5
3.2
2.4
3.1
3.5
17.4
24.3
37.2
35.3
34
H
= 37.8
H
= 2.0
m
s
M
= 30.0
M
= 2.1
m
s
L
= 22.5
L
= 2.3
m
s
250
500
1000
2000
4000
24.4
33.6
41.5
37.1
38.9
2.5
3.1
3.6
3.1
2.8
21.9
30.5
37.9
33.9
36.1
H
= 38.1
H
= 2.3
m
s
M
= 34.3
M
= 2.0
m
s
L
= 27.4
L
= 2.4
m
s
SANA 26
8000
SNR
Frequency (Hz)
35.3
Mean Attenuation (dB)
4.5
25 dB
Standard Deviation (dB)
30.7
Assumed Protection Value (dB)
SNR
= 28.7
m
SNR
= 2.4
s
SNR (dB) = 26.0
SANA 31
8000
SNR
Frequency (Hz)
39.4
Mean Attenuation (dB)
3.6
30 dB
Standard Deviation (dB)
35.9
Assumed Protection Value (dB)
SNR
= 33.0
m
SNR
= 1.7
s
SNR (dB) = 31.0
SANA 36
8000
SNR
Frequency (Hz)
39.2
Mean Attenuation (dB)
3.4
34 dB
Standard Deviation (dB)
35.8
Assumed Protection Value (dB)
SNR
= 37.7
m
SNR
= 2.1
s
SNR (dB) = 36.0
Attenuation Data
Tested according to EN352-1:2020
Headband Ear defenders
Size Range: Small, Medium, Large
125
250
500
1000
10.9
17.0
23.1
36.5
2.9
2.7
3.4
4.2
8.0
14.3
19.6
32.4
H= 34dB
H
= 36.7
m
M = 24dB
M
= 26.2
m
L = 15dB
L
= 18.0
m
125
250
500
1000
19.8
19.9
29.9
41.2
2.3
2.7
1.9
3.5
17.5
17.2
28.0
37.6
H= 36dB
H
= 37.6
m
M = 29dB
M
= 31.0
m
L = 21dB
L
= 23.5
m
125
250
500
1000
24.0
25.4
39.1
43.8
2.7
2.9
3.1
3.4
21.4
22.5
36.1
40.4
H= 37dB
H
= 39.8
m
M = 34dB
M
= 36.3
m
L = 26dB
L
= 28.9
m
2000
4000
8000
SNR
37.5
41.3
38.2
4.2
4.4
4.7
26 dB
33.3
37.0
33.5
H
= 2.8
s
M
= 2.6
s
L
= 2.5
s
2000
4000
8000
SNR
38.7
36.7
36.9
3.0
2.4
3.5
31 dB
35.7
34.3
33.4
H
= 1.6
s
M
= 2.0
s
L
= 2.3
s
2000
4000
8000
SNR
39.2
40.4
39.3
3.2
3.4
2.9
36 dB
36.0
37.0
36.4
H
= 2.6
s
M
= 2.3
s
L
= 2.7
s
5
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