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AUTO-DARKENING WELDING PROTECTION FILTER
OPERATION
RPB
®
auto-darkening welding filters
operate on the basis of a liquid crystal
light shutter that protects the welder’s
eyes against intense visible light emitted
during the welding process. In combination
with the permanent passive IR/UV filter, it
protects against hazardous infrared (IR) and
ultraviolet (UV) light. The protection against
harmful radiation is present regardless of
the shade level or potential malfunction of
the filter, beyond the darkest shade number
marked on each specific model.
RPB
®
auto-darkening welding filters
are manufactured according to EN 379
requirements and are CE, DIN as well as
DIN Plus certified. They are not intended
to be used as a protection against impacts,
flying particles, molten metals, corrosive
liquids or hazardous gases.
Replace potentially malfunctioned or
damaged auto-darkening welding filters
(check that the auto-darkening filter turns
dark if you strike the welding arc).
USAGE
An auto-darkening welding filter built into
a Respirator is considered to be Personal
Protection Equipment (PPE) protecting the
eyes, face, ears and neck against direct
and indirect hazardous light of the welding
arc. In case that you have only bought
a filter without the helmet, you need to
select the appropriate helmet designed
to be used in combination with an auto-
darkening welding protection filter. It has
to allow the filter, including the internal
and external protection screens, to be
adequately mounted into the helmet. There
should be no tension on the ADF Lens
caused by the mounting frame or mounting
system, as it could cause severe damage
to the filter. Make sure that solar cells and
photo-sensors are not covered by any
part of the helmet, as this could prevent
the proper operation of the filter. If any of
these conditions occur, the filter may not be
suitable for use.
FIELD OF APPLICATION
RPB
®
Auto darkening filters are suitable
for all types of electro-welding: covered
electrodes, MIG/MAG, TIG/WIG, plasma
welding, cutting and laser welding, except
for gas welding.
FUNCTIONS
RPB
®
filters are supplied ready for use.
Check the degree of required protection for
specific welding procedure and select the
recommended shade, light sensitivity as
well as opening time delay.
SHADE ADJUSTMENT
Our model enables shade adjustment range
from 9 to 13. It can be adjusted by the knob
»Shade« which is located on the filter.
ADJUSTMENT OF SENSITIVITY
Most welding applications can be
performed with welding light sensitivity
set to maximum. The maximum sensitivity
level is appropriate for low welding current
work, TIG, or special applications. The
welding light sensitivity has to be reduced
only in some specific surrounding lighting
conditions in order to avoid unwanted
triggering. As a simple rule for optimum
performance, it is recommended to set
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