Sensear smartPlug Handbuch Seite 6

NRR AND SLC80
The smartPlug has been certified to International hearing protection standards including EN352-2, EN352-7,
ANSI S3.19-1974, ANSI 12.6-2008 and AS/NZS 1270-2002. The following passive attenuation ratings were
observed:
Model
smartPlug Foam Tip
smartPlug Silicone Tip
ATTENUATION
smartPlug measured in accordance with EN352-2.
Foam Tip
F(Hz) 125 250
Mean(dB) 38.8 35.4
Std(dB) 4.8 3.2
APV(84%) 34.1 32.2
Silicone Tip
F(Hz) 125 250
Mean(dB) 33.5 31.2
Std(dB) 5.0 4.7
APV(84%) 28.5 26.5
SNR (EN352) NRR (S3.19)
38 dB 31 dB
32 dB 24 dB
500 1000 2000
40.7 39.8 40.9
3.5 4.7 3.5
37.2 35.1 37.5
500 1000 2000
35.7 32.8 35.1
4.7 4.9 3.2
30.9 27.9 31.9
NRS (S12.6)
29-39 dB
21-35 dB
4000 8000 H
40.8 44.3
37
3.7 3.7
dB
37.1 40.7
4000 8000 H M
33.6 40.8
31 29
3.4 4.5
dB dB
30.2 36.3
4
SLC80 (AS1270)
28 dB Class 5
19 dB Class 3
M L SNR
36 35 38
dB dB dB
L SNR
32
29
dB dB