M E A N I N G S O F E N M A R K I N G
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 directive (UE) 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 EN166 recalls additional standards which further specify requirements as a function of PPE typology and of their fields of use: EN165 – Personal eye-protection. Vocabulary.
EN171 – Personal eye-protection. Infra-red (IR) filters EN172 – Personal eye-protection. Sunglare filters for industrial use EN1731 – Personal eye-protection. Mesh eye and face protectors EN379 – Personal eye-protection. Specification for automatic welding filters
EN167 – Personal eye-protection. Optical test methods EN168 – Personal eye-protection. Non-optical test methods EN169 – Personal eye-protection. Filter for welding and related techniques EN170 – Personal eye-protection. Ultra-violet (UV) filters
SCALE NUMBER ( CODE NUMBER - SHADE NUMBER)
CODE NUMBER 2
SHADE NUMBER AND TYPICAL LENS COLOURS
VLT RANGE
Clear
100% - 74.4% 58.1% - 43.2% 29.1% - 17.8% 17.8% - 8.0%
Ultraviolet (UV)
1.2 1.7 2.5 3.1
In/Out, yellow, clear mirrored, UVR
2C UV with good colour recognition
Brown, smoke
G15, smoke mirrored
Infra-red (IR)
3,4,5,...11 Welding
-
4 5 6
Sunglare filter without infra-red specification Sunglare filter with infra-red specification
Welding products do not require a code number
MECHANICAL RESISTANCE (PROTECTION AGAINST HIGH SPEED PARTICLES)
SYMBOL
IMPACT LEVEL
IMPACT SPEED
DIAMETER
GRAMS 0,86 gr
SPECTACLES
GOGGLES
FACE SHIELDS
High energy impact Medium energy impact Low energy impact Increased robusteness
190 m/s 120 m/s 45 m/s 5,1 m/s
ø 6 mm
A (T)
•
B (T)
•
•
F (T)
•
•
•
ø 22 mm
43 gr
S
•
•
•
(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)
OPTICAL CLASS
DIFFERENCE IN PRISMATIC REFRACTIVE POWER cm/m
SPHERICAL REFRACTIVE POWER m -1
ASTIGMATIC REFRACTIVE POWER m -1
MARKING
HORIZONTAL BASE OUT
HORIZONTAL BASE IN
VERTICAL
± 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
1 2 3
+ 0.12 / - 0.25
OPTIONAL REQUIREMENTS (ADDITIONAL MARKINGS ON LENSES, VISORS AND OCULARS)
Symbol for protection against short circuit electric arc Symbol for protection against molten metals and hot solids Resistance to surface damage by fine particles
8 9
K N
Resistance to fogging of oculars
Protection against high speed particles at extreme temperatures (-5°/+55° C)
T
Frame suitable for small size head Enhanced reflectance in the infra-red Symbol for replacement ocular
H R
Made with FlippingBook Online newsletter