ENISO 20471
High-visibility clothing
Darkness and poor visibility are big risk factors when working outside. In particular, dangerous situations in road traffic, such as at roadworks, are frequently underestimated. And around railway tracks, at airports and around ports, good visibility is a top priority.
Definition of levels of risk
Standard DIN
EN ISO 20471 does not differentiate between professional and
non-professional use. It is concerned generally with all hazardous
situations where there is a danger of not being seen and exclusively
with warning clothing for high risk scenarios. The clothing is
subdivided into classes 1, 2 and 3.
Design
The
recognisable shape of the human body is emphasised. Fluorescent material
and horizontal reflective stripes should encircle the torso and, when
available, trouser legs and sleeves. Products in class 3 must encircle
the torso and have either sleeves with reflective stripes or long
trouser legs with reflective stripes.
Therefore
warning vests or warning dungarees may not be certified individually for
class 3. A reflective stripe around the stomach of a warning pair of
dungarees is not taken into account in the calculation. Clear
combinations of horizontal and vertical retroreflective stripes offer
the best visual contrast against most backgrounds. Excessive diagonal
features and unclear shapes must be avoided. Combinations of clothing,
for example a high-visibility jacket with high-visibility trousers, can
be certified by DIN EN ISO 20471.
Labelling is with the pictogram and the class 1, 2 or 3.
In addition,
the instructions for using the item of clothing should contain the
information that the service life of the product is not determined
solely by the number of cleaning cycles, but also by its use, care and
storage.
Minimum areas of visible material in m²
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