• Optical Class: 1/1/1/1.
• Viewing Area: 97 x 62 mm.
• Light State: DIN 3.5.
• Dark State: DIN 5-8 / 9-13.
• Switching Time: ≤ 0.1 ms.
• Power Supply: Solar cells with battery assistance.
• Certifications: CE, ANSI Z87.1, CSA Z94.3, AS/NZS 1338.1.

1. Is this filter compatible with all Tecmen helmets?
   No, it is specifically designed for Tecmen Universal Quantum Welding
2. Helmets.What is the lifespan of the auto-darkening filter?
   With proper care, the filter is designed to last for several years of regular use.
3. Does the filter require battery replacement?
   The filter is powered by solar cells with battery assistance; under normal use, battery replacement is not typically necessary.
4. Can the sensitivity and delay settings be adjusted?
   Yes, the filter allows for adjustment of both sensitivity and delay to suit different welding conditions.
5. Is the filter suitable for TIG welding?
   Yes, the filter is suitable for various welding applications, including TIG, MIG, and MMA.

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