Securite Contre Le Bruit - Air Liquide Optipuls 280 i Safety Instruction For Use And Maintenance

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3. SECURITE CONTRE LES RAYONNEMENTS LUMINEUX /
PROTECTION FROM LUMINOUS RADIATION
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4. SECURITE CONTRE LE BRUIT /

PROTECTION FROM NOISE
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OPTIPULS 280 / 350 / 380
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/ 500
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It is absolutely essential that your protect your eyes from blinding glare (glare of arc in
visible light and infrared and ultraviolet radiation).
The welding mask, without or with helmet, must always be equipped with a protective filter
whose gradation depends on the welding arc current intensity (EN 169 Standard).
The colored filter may be protected from impacts and spatter by means of a
transparent glass located on the front of the mask.
When you replace the filter, you must use the same references, (Opacity gradation
number).
Persons near the operator and necessarily his assistants, must be protected by
interposing adapted screens, anti-UV protective goggles and if necessary, by a mask
equipped with the adapted protective filter.
!" Table giving the gradation number (1) and recommended use for arc
welding:
(1)- Depending on use-conditions, the immediately-higher gradation number or the
immediately-lower gradation number may be used.
(2)- The expression " heavy metals " covers steels, alloyed steels, copper and its
alloys, and so forth...
Note: the shaded areas above correspond to fields in which welding processes are not
generally used in current welding practice.
Noise emitted by a welding or cutting machine depends on several parameters, and
particularly: the welding/cutting intensity, the process (MIG - MIG PULSE - TIG and so forth...)
and the environment (premises which or more or less spacious, reverberation from the walls,
and so forth...)..
The no-load noise from SAF welding/cutting power-sources is generally less than 70dB (A).
The noise emission (acoustic pressure level) of these power-sources may, during welding or
cutting, exceed 85 dB (A) at the work-station.
One should therefore take appropriate measures in the workplace and under working
conditions, so that the limit of 85 dB (A) is not exceeded. Should this level be exceeded, the
operator must be equipped with adapted protective devices, such as, in particular, helmets,
ear-plugs, anti-noise level, and be informed of this by appropriate signaling means.
SAF proposes an entire range of protective equipment corresponding to your
requirements.
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