3M PELTOR ComTac XPI MT20H682FB Serie Manual Del Usuario página 4

E)
E:1
E:2
F)
F:1 F:2
G) Attenuation Values
MT20H682FB-*
1
Frequency (Hz)
2
Mean Attenuation (dB)
3
Standard Deviation (dB)
4
Assumed Protection Value (dB)
308 g
6)
MT20H682BB-*
1
Frequency (Hz)
2
Mean Attenuation (dB)
3
Standard Deviation (dB)
4
Assumed Protection Value (dB)
308 g
6)
H) External input level
Input (mV) SPL (dB(A))
1
49.6 70.4
88.3 75.4
156.8 80.4
279.2 85.4
496.1 90.3
I) Criterion levels
H 116 dB(A)
M 105 dB(A)
L 94 dB(A)
E:3
F:3
125 250 500
11.5 17.9 27.8
2.5 2.7 1.8
9.0 15.3 25.9
5
SNR=28 dB H=31 dB M=25 dB L=16 dB
125 250 500
16.6 16.8 27.4
1.8 2.3 2.2
14.8 14.5 25.2
5
SNR=28 dB H=31 dB M=25 dB L=18 dB
Standard
2
deviation(dB)
1.0
1.0
1.0
1.0
1.0
F:4 F:5
1000 2000 4000
30.0 32.1 36.2
2.3 3.0 2.0
27.7 29.1 34.2
1000 2000 4000
32.1 33.1 33.0
2.1 3.2 2.9
30.0 29.9 30.1
The electrical input level for which
the sound pressure level is equal to
82 dB(A) :
167 mV
4
8000
40.3
3.1
37.2
8000
36.1
3.2
32.9