Filter symbology
(Automatic welding filter markings)
CE 4/9-13 VITO 1/1/1/2 EN379
4 - Light state scale number
5-8/9-12 – Protection shade numbers un closed state
VITO – Manufacturer identification
1 – Optical class
1 – Diffusion of light class
1 – Variation in luminous transmittance class
2 – Angle of dependence classification
EN379 – Standard number
Helmet marking
VITO – Manufacturer identification
B – Impact resistance level 120m/s
Cover lens marking
VITO – manufacturer identification
EN166 – Standard number
B – Impact resistance level 120m/s
If the symbols F or B are not common to both ocular and the frame, it is the lower level which shall be assigned to
the complete eye protection.
EN
Summary of Contents for VIMSEA
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