Sensear SM1R, Manual

Page: 27 / 35

DOC00074 SM1R Manual rev 04
25
The SM1R has level dependent facilities and the criterion levels as defined
in EN352-4 are displayed below:
Model
H M L
dB(A)
SM1R 108.6 104.6 103.4
EARMUFFS WITH ELECTRICAL AUDIO INPUT (EN352-6)
The electrical input level for which the mean plus one standard deviation
is A-weighted diffused-field related sound pressure level is equal to 82
dB(A) is an RMS voltage U = 108mV.
SIZE RANGES
WARNING Earmuffs complying with EN352-1 are of ‘small size range’,
‘Medium size range’ or ‘large size range’. ‘Medium size range’ earmuffs
will fit most wearers. ‘Small size range’ or ‘large size range’ earmuffs are
designed to fit wearers for whom ‘medium size range’ earmuffs are not
suitable. The SM1R Headband, SM1R Behind-the-Neck, and SM1R Helmet
adapters may be adjusted for small, medium, or large size.
En
glis
h