EN166 PW F T CE EN166 PW 2/2C 1.2 1 F KN CE T | 855 MARKINGS EN 166:2001 LENS MARKINGS APPLICABLE EN STANDARD EN 166 MANUFACTURER IDENTIFICATION PW FILTER TYPE 2 / 2C UV (2C colour recognition not affected) 3 UV (good colour recognition) 4 Infra-red 5 Sunglare without infra-red specification 6 Sunglare with infra-red specification SCALE NUMBER (SHADE) 1.2 Clear or amber 1.4 Blue light blocker (light brown) 1.7 Light mirror 3.1 Smoke OPTICAL CLASS 1 Distortion free, suitable for permanent wear 2 Suitable for occasional wear 3 Suitable for brief wear MECHANICAL STRENGTH (IMPACT LEVEL) S Increased robustness F Low energy impact (45m/s) B Medium energy impact (120m/s) A High energy impact (190m/s) T Extreme temperatures (FT, BT, AT) OPTIONAL REQUIREMENTS 8 Short circuit electric arc 9 Molten metal splash K Resistance to scratches by fine particles N Resistance to fogging CERTIFICATION MARK CE FRAME MARKINGS APPLICABLE EN STANDARD EN 166 MANUFACTURER IDENTIFICATION PW MECHANICAL STRENGTH S Increased robustness F Low energy impact (45m/s) B Medium energy impact (120m/s) A High energy impact (190m/s) AT EXTREMES OF TEMPERATURE* Impact tests are performed at 55°C and -5°C. Eye protector’s mechanical strength followed by letter T. T Extreme temperatures (FT, BT, AT) OPTIONAL MARKINGS ON FRAME NONE General use T Extremes of temperature for mechanical strength 3 Liquid droplets or splashes 4 Large dust particles > 5μm 5 Gases and small dust particles < 5μm 8 Short circuit and electric arc 9 Molten metal and hot solids CERTIFICATION MARK CE *Test optional
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