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Change of hygiene kit (B)
1. Remove the old sound absorbing foam and
insert the new.
2. Pull off the old ear cushion.
3. Centre the new ear cushion over the hole.
4. Press with a finger along the outside of the ear
cushion until it attaches all around the edges.
5. Pull off the old head cushion and insert the
new.
Approval and technical data (C)
C1) Headband
C2) Neckband
C3) Helmet/Cap mounted
C4) Tested and certified to (standards)
C5) Weight
C6) Mean attenuation
C7) Standard deviation
C8) Assumed Protection Value
C9) Tested and certified by (notified body)
C10) Size: S (small) M (medium) L (large)
Approved helmet combinations (D)
These earmuffs should be fitted to, and used
only with the industrial safety helmets listed in
table D.
D1) Manufacturer
D2) Model
D3) Adapter
D4) Warning! These helmet mounted hearing
protectors are suitable for persons with medium
to large head size circumference (56-64 cm) and
with medium to large height from the top of the
head to the centre of the ear canal. A smaller
height may lead to improper fit and reduce the
hearing protector´s noise attenuation properties.
Earmuffs complying with EN 352-3 are of
medium size range or small size range or large
size range. Medium size range earmuffs will fit
the majority of wearers. Small size range or large
size range earmuffs are designed to fit wearers
for whom medium size range earmuffs are not
suitable.
Accessories and spare parts
Hygiene kit Secure 1 & 2: #99400
Hygiene kit Secure 3: #99401
Information required by E.P.A. (US)
The level of noise entering a person's ear,
when a hearing protector is worn as directed, is
closely approximated by the difference between
the A weighted environmental noise level and
the NRR.
Example: The environmental noise level as
measured at the ear is 92 dBA. The NRR is 25
decibels (dB).The level of noise entering the ear
is approximately equal to 67 dB.
Caution. For noise environments dominated
by frequencies below 500 Hz the C-weighted
environmental noise level shall be used.
Warning. Improper fit of this device will reduce
its effectiveness in attenuating noise. Although
hearing protectors can be recommended
for protection against the harmful effects of
impulse noise, the noise reduction rating
(NRR) is based on the attenuation of continuous
noise and may not be accurate indicator of the
protection attainable against impulse noise
such as gunfire.
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