MSA V-Gard HP High, Operating Manual

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TABLE 1 - ATTENUATION
High
f (Hz) 125 250 500 1000 2000 4000 8000
Mf (dB) 23.4 25.7 37.3 41.8 39.2 40.1 41.1
sf (dB) 2.8 3.2 3.2 3.5 2.7 2.1 3
APV (dB) 20.6 22.5 34.1 38.3 36.5 38 38.1
H = 38 dB, M = 33 dB, L = 26 dB, SNR = 36 dB W = 377 g
Medium
f (Hz) 125 250 500 1000 2000 4000 8000
Mf (dB) 18.3 21.2 31.1 38.5 38.9 42.0 41.3
sf (dB) 2.1 2.8 3.4 3.0 3.0 4.7 4.8
APV (dB) 16.2 18.3 27.7 35.5 35.8 37.3 36.5
H = 37 dB, M = 29 dB, L = 22 dB, SNR = 32 dB W = 312 g
Low
f (Hz) 125 250 500 1000 2000 4000 8000
Mf (dB) 14.8 16.4 25.2 33.9 35.9 41.3 41.5
sf (dB) 3.2 2.7 2.4 3.6 3.0 4.0 5.0
APV (dB) 11.5 13.7 22.8 30.2 32.9 37.3 36.5
H = 34 dB, M = 25 dB, L = 17 dB, SNR = 28 dB W = 242 g
TABLE 2 - EAR-MUFF SIZES AND HELMET COMBINATIONS
Manufacturer / model
Adapter
Type No
Size range
Low Medium High
MSA / V-GARD 14 S, M, L S, M, L S, M, L
MSA / V-GARD 500-520 14 S, M, L S, M, L S, M, L
MSA / V-GARD 200 14 M, L M, L M, L
MSA / V-GARD 930-950 14 M, L M, L M, L
MSA / Thermalgard 14 S, M, L S, M, L S, M, L
Centurion / 1100-1125 1 M, L M, L M, L
SCOTT / Style 300 1 M, L M, L M, L
AUBOUEIX / Iris 2 2 S, M, L S, M, L S, M, L
3M / G3000-G3001 2 M, L M, L S, M, L
SCOTT / Style 600 2 S, M, L S, M, L S, M, L
JSP Evolite 14 M, L M, L M, L