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TABLE 4 – A-WEIGHTED DIFFUSE FIELD
RELATED SOUND PRESSURE LEVEL
Signal dBV
Signal mV
-30
31.6
-25
56.2
-20
100.0
-15
177.8
-10
316.2
*Usage time at maximum input signal corresponding to an equivalent sound output level of 82 dB(A) over 8 h.
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L Warning!
The sound pressure level can exceed 82 dB(A) for input signal levels higher than the maximum specified input signal
level.
TABLE 5 – HYGIENE KIT
Type
Part number
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PVC (memory foam)
60197-S
GEL (silicone gel)
60198-S
TABLE 6 – ANSI S3.19-1974
Information related to ANSI S3.19-1974. Attenuation tested according to ANSI S3.19-1974
30NNNN-10P/-11P/-12P , Headband Hygiene kit PVC
Frequency (Hz)
125
250
Mean attenuation dB(A)
17
20.6
Standard deviation dB(A)
1.5
3.3
NRR = 23 dB
Headband force = 2.3 lbs
30NNNN-10G/-11G/-12G, Headband Hygiene kit GEL
Frequency (Hz)
125
250
Mean attenuation dB(A)
16.9
19.3
Standard deviation dB(A)
3.0
1.7
NRR = 23 dB
Headband force = 2.4 lbs
Sound output level
Allowable exp time (h)*
69.0
>8
74.1
>8
79.2
>8
84.2
4.8
88.6
1.7
500
1000
2000
3150
4000
6300
25.4
33.2
33.0
39.8
43.2
43.2
1.5
2.6
3.1
3.2
2.4
3.2
500
1000
2000
3150
4000
6300
23.8
30.9
30.6
38.4
40.9
42.2
2.0
2.0
2.3
3.1
3.3
2.6
14
30NNNN-20P Neckband, Hygiene kit PVC
Frequency (Hz)
Mean attenuation dB(A)
Standard deviation dB(A)
NRR = 23 dB
30NNNN-20G Neckband Hygiene kit GEL
Frequency (Hz)
Mean attenuation dB(A)
Standard deviation dB(A)
NRR = 23 dB
30NNNN-30P Helmet ARC Hygiene kit PVC
(TeamWendy Exfil LTP-Helmet Rail3.0, Size1 M/L)
Frequency (Hz)
Mean attenuation dB(A)
Standard deviation dB(A)
NRR = 21 dB
30NNNN-30G Helmet ARC Hygiene kit GEL
(Team Wendy EXFIL LTP Helmet Rail 3.0, Size 1 M/L)
Frequency (Hz)
8000
Mean attenuation dB(A)
41.5
Standard deviation dB(A)
3.2
NRR = 22 dB
30NNNN-31P Helmet R-ARC Hygiene kit PVC
(Ops-Core FAST Carbon High Cut Helmet, M/L)
8000
Frequency (Hz)
39.6
Mean attenuation dB(A)
2.6
Standard deviation dB(A)
NRR = 23 dB
125
250
500
1000
2000
15.8
20.1
25.7
34.0
30.1
2.6
1.8
2.0
3.5
3.2
Headband force = 2.4 lbs
125
250
500
1000
2000
16.8
19.8
25.7
31.0
31.9
3.0
1.9
2.0
2.3
2.3
Headband force = 2.9 lbs
125
250
500
1000
2000
17.5
18.7
22.1
29.0
30.5
2.5
2.6
1.9
3.0
3.1
Headband force = 2.4 lbs
125
250
500
1000
2000
17.1
18.7
22.5
27.7
30.6
2.6
2.3
1.5
1.7
2.2
Headband force = 2.6 lbs
125
250
500
1000
2000
19.4
21.7
25.6
32.1
31.1
2.8
2.5
2.4
3.1
2.8
Headband force = 2.5 lbs
15
3150
4000
6300
8000
36.0
40.3
42.2
41.1
3.6
1.9
2.7
3.2
3150
4000
6300
8000
39.9
42.3
40.7
40.1
2.7
2.5
2.5
2.8
3150
4000
6300
8000
37.5
39.6
43.4
42.9
2.5
2.0
3.2
2.7
3150
4000
6300
8000
37.8
41.2
43.3
42.2
2.1
3.2
3.1
2.2
3150
4000
6300
8000
39.3
41.5
44.6
43.2
2.8
2.1
2.0
1.7
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