LENS AND FRAME MARKINGS OPTICAL CLARITY EXAMPLE OF FRAME MARKING EXAMPLE OF LENS MARKING EN SAFETY STANDARD MANUFACTURER’S IDENTIFICATION CODE CERTIFICATION MARK, NUMBER OF CERTIFIED BODY NUMBER OF EN STANDARD SYMBOL OF CONFORMITY TO EC REGULATION 2016/425 FIELD(s) OF USE (OPTIONAL) SYMBOL OF RESISTANCE TO HIGH SPEED PARTICLES (OPTIONAL) NO SYMBOL - BASIC USE 4 - LARGE DUST PARTICLES 8 - SHORT CIRCUIT ELECTRIC ARC NON - INCREASED ROBUSTNESS B - MEDIUM ENERGY IMPACT (120 m/s) F - LOW ENERGY IMPACT (45 m/s) A - HIGH ENERGY IMPACT (190 m/s) 3 - LIQUIDS 5 - GAS & FINE DUST PARTICLES 9 - MOLTEN METALS & HOT SOLIDS MARK OF THE MANUFACTURER CE MARK OF CONFORMITY IMPACT STRENGTH MARK OF THE MANUFACTURER CE MARK OF CONFORMITY IMPACT STRENGTH MANUFACTURER’S IDENTIFICATION CODE OPTICAL CLASS 1 - BEST CLASS 2 - MEDIUM CLASS 3 - LOW QUALITY* *not for continuous use SYMBOL OF NON-ADHERENCE OF MOLTEN METAL MANUFACTURER’S IDENTIFICATION CODE SYMBOL OF RESISTANCE TO FOGGING (optional) SYMBOL OF MECHANICAL STRENGTH (OPTIONAL) SYMBOL OF CONFORMITY TO EC REGULATION 2016/425 F - LOW ENERGY IMPACT (45 m/s) A - HIGH ENERGY IMPACT (190 m/s) B - MEDIUM ENERGY IMPACT (120 m/s) T - IMPACTS AT EXTREME TEMPERATURE Understanding frame markings Understanding lens markings 209
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