Automatic variable light welding mask is the use of photoelectric sensors to receive welding arc light signals, after amplification, identification, control and drive the LCD (liquid crystal) internal liquid crystal deflection, to achieve the blocking of visible light through, to achieve the purpose of automatic shading. The light first passes through a protective glass (fuchsia coated glass), harmful ultraviolet (UV) and infrared (IR) by all the reflective piece of anti-filtering, and then passes through the LCD (LCD), according to the welder's adjustments can be obtained appropriate blackness, so that the eyes get the most reliable protection.
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