3M PELTOR ComTac XPI MT20H682FB Series Handbuch - Seite 3
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E)
E:1
F)
F:1
G) Attenuation Values
MT20H682FB-*
1
Frequency (Hz)
2
Mean Attenuation (dB)
Standard Deviation (dB)
Assumed Protection Value (dB)
308 g
6)
MT20H682BB-*
1
Frequency (Hz)
2
Mean Attenuation (dB)
Standard Deviation (dB)
Assumed Protection Value (dB)
308 g
6)
H) External input level
H:1
Input (mV)
SPL (dB(A))
1
167.0
284.0
481.0
776.0
1145.0
H:2
Input (mV)
SPL (dB(A))
1
26.0
46.0
83.0
146.0
259.0
E:2
F:2
F:3
125
3
11.5
2.5
4
9.0
5
125
16.6
3
1.8
4
5
14.8
Standard
2
deviation(dB)
70.1
76.1
81.2
86.0
90.5
Standard
2
deviation(dB)
70.6
75.4
80.4
84.5
84.5
E:3
F:4
250
500
1000
17.9
27.8
2.7
1.8
15.3
25.9
SNR=28 dB H=31 dB M=25 dB L=16 dB
250
500
1000
16.8
27.4
32.1
2.3
2.2
14.5
25.2
30.0
SNR=28 dB H=31 dB M=25 dB L=18 dB
The electrical input level for which
the sound pressure level is equal to
3
82 dB(A) :
1.4
459.0 mV
1.4
1.4
1.4
1.4
The electrical input level for which
the sound pressure level is equal to
82 dB(A) :
1.4
94 mV
1.4
1.4
I) Criterion levels
1.3
1.3
H
M
L
3
F:5
2000
4000
30.0
32.1
36.2
2.3
3.0
2.0
27.7
29.1
34.2
2000
4000
33.1
33.0
2.1
3.2
2.9
29.9
30.1
4
4
112 dB(A)
96 dB(A)
92 dB(A)
8000
40.3
3.1
37.2
8000
36.1
3.2
32.9