Honeywell Howard Leight IMPACT SPORT User Instructions page 54

APPROVAL - SLC
80
IMPACT SPORT™ tested and approved in accordance with AS/NZS 1270:2002.
Attenuation data according to AS/NZS 1270:2002 (in passive mode, electronics switched off)
Frequency, Hz
Mean Attenuation, dB
Standard Deviation, dB
Assumed Protection, dB (APV)
Clamping Force : Medium =10.6 N, Large = 11.7 N
ATTENUATION DATA
125 250 500
15.3 20.3 22.1
4.4 4.4 3.1
10.9 15.9 19.0
54
1000 2000 4000
25.0 26.7 35.3
2.4 3.4 2.8
22.6 23.3 32.5
8000
SLC
80
36.4
24 dB
2.6
Class 4
33.8