ISOtunes PRO Aware 2.0 Bedienungsanleitung Seite 2

ISOtunes PRO Aware 2.0
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49-53
EN 352-7:2020 Level Dependent Criterion Level
C1: H 116 dB(A)
C2: M 113 dB(A)
C3: L 107 dB(A)
Note: Product not intended for use in impulse-type noise situations
FIG 1
ANSI S3.19-1974 Table (NRR Table)
A1: Frequency, Hz • A2: Grand Mean Attenuation, dB
A3: Standard Deviation, dB
A1: 125 250 500 1000 2000 3150 4000 6300 8000 NRR
A2: 32.9 30.1 34.6 34.5 35.4 39.0 39.3 46.3 46.2
A3: 4.7 3.3 5.4 4.3
NRR Triple Silicone Eartips
A1: 125 250 500 1000 2000 3150 4000 6300 8000 NRR
A2: 28.7 30.3 30.7 29.8 33.2 38.0 38.5 39.2 41.3
A3: 2.9 3.4 3.1 3.1
EN 352-2:2020 Table (SNR Table)
B1: Frequency, Hz • B2: Mf(dB) • B3: sf(dB) • B4: APVf
B1: 125 250 500 1000 2000 4000 8000
B2: 30.0 28.8 32.0 34.4 35.8 39.6 43.4
B3: 4.7 3.3 4.3 4.5
B4: 25.3 25.6 27.7 29.9 32.4 34.6 38.1
26 AL
3.2 3.2 3.9 3.2 4.3
25 BL
2.8 3.8 3.6 3.4 3.8
B5:
SNR=33dB
H=33dB
M=30dB
3.4 5.0 5.4
L=28dB
APVf=MF-SF (dB)
CSA
CSA