PPE belonging to category II and III shall be tested and certified by an officially recognized European Notified Body. Product certification which demonstrate compliance to the requirements set by PPE Regulation (EU) 2016/425 might be based on the following European standards: EN166 - Personal eye-protection specifications. EN175 - Equipment for eye and face protection during welding and allied processes. > S T A N D A R D S M E A N I N G S O F E N M A R K I N G
Optical Class
Difference in prismatic refractive power cm/m
Spherical refractive power m -1
Astigmatic refractive power m -1
Symbol
Horizontal base out
Horizontal base in
Vertical
1
± 0.06 ± 0.12
0.06 0.12 0.25
0.75 1.00 1.00
0.25 0.25 0.25
0.25 0.25 0.25
2 3
+0.12 / -0.25
Optional Requirements - Additional markings on lenses, visors and oculars 8 Symbol for protection against short circuit electric arc 9 Symbol for protection against molten metals and hot solids K Resistance to surface damage by fine particles N Resistance to fogging of oculars T
Scale Number Code Number 2
Scale Number Shade Number and typical lens colours
VLT Range 100% - 74.4% 58.1% - 43.2% 29.1% - 17.8% 17.8% - 8.0%
Protection against high speed particles at extreme temperatures (-5°/+55° C)
H R
Frame suitable for small size head Enhanced reflectance in the infra-redo Symbol for replacement ocular
Ultraviolet (UV)
1.2 1.7 2.5 3.1
Clear
2C
UV with good colour recognition
In/Out, yellow, clear mirrored, UVR
4 5 6
Infra-red (IR)
Brown, smoke
Sunglare filter without infra-red specification Sunglare filter with infra-red specification
Green G15, smoke mirrored
Fields of use - Additional markings which can be found on frame Symbol Designation
3/11
Welding
-
Description of the field of use
Spectacles
Goggles
Face Shields
Unspecified mechanical hazards and hazards arising from ultraviolet, visible, infra-red and sun radiation
Mechanical Resistance - Protection against high speed particles Symbol Impact Level Impact Speed
No symbol
Basic use
•
•
•
Diameter
Grams
Spectacles
Goggles
Face Shields
3
Liquids
Liquids (droplets or splashes)
•
•
A (T)
High energy impact
190 m/s
ø 6 mm
0,86 gr
4
Large dust particles
Dust with a particle size > 5 μm
-
-
•
•
5
B (T)
Gas and fine dust particles
Gases, vapours, sprays, smoke and dust with a particle size < 5 μm
Medium energy impact
120 m/s
ø 6 mm
0,86 gr
•
-
•
•
8
F (T)
Short circuit electric arc
Electrical arc due to a short circuit in electrical equipment
Low energy impact
45 m/s
ø 6 mm
0,86 gr
•
•
•
•
9
S
Molten metals and hot solids
Splashes of molten metals and penetration of hot solids
Increased robusteness
5,1 m/s
ø 22 mm
43 gr
•
•
•
•
•
(T) if the impact letter (F, B or A) is followed by the letter T, then the eyewear protects against impact at extreme temperatures (-5°/ +55°C)
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