Vitrex EYE PROTECTION User Manual
Page 3
MAXIMUM STRENGTH
PRODUCT MARKING
Increased robustness (12m/s)
S
Low energy impact (45m/s)
F
Medium energy impact (120m/s)
B
High energy impact (190m/s)
A
OPTICAL PERFORMANCE
Optical class 1
Optical class 2
Optical class 3 (not suitable for
long periods of use)
3
Ocular resistant to damage by fine
particles (optional requirement)
K
Ocular resistant to fogging (optional
requirements)
N
FIELDS OF USE
Droplets and splashes of liquids
3
Large dust particles
4
Gas and fine dust particles
5
Short circuit electrical arc
Molten metal and hot solids
9
DESIGNATION OF FILTER
PRODUCT MARKING
FILTER IDENTIFICATION SHADE
Welding filters
-
1.2 to 16
Ultraviolet filters (colour recognition
may be affected)
2
1.2 to 14
Ultraviolet filters (good colour
recognition)
3
1.2 to 5
Infrared filter
4
1.2 to 10
Sunglare filter (without infrared
specification)
5
1.1 to 4.1
Sunglare filter (with infrared
specification)
6
1.1 to 4.1
(Lens markings will consist of the filter identification, followed by the
appropriate shade no.)
If the ocular and frame do not carry identical marking relating to mechanical
strength the whole eye protector is classified as the lower rating.
QEP Co. UK Ltd.
Everest Road
Lytham St Annes
Lancashire
FY8 3AZ
01253 789 180
www.vitrex.co.uk