Product Name:Automatic welding mask Model S777a
Place of Origin
Yunnan, China (Mainland)
1/30000 s (light to dark)
98 x 43mm
outside can be continued adjustable
Solar cell & Lithium Battery
Size of Cartridge
110 x 90 x 9 mm (4.33" x 3.54" x 0.35")
Up To Shade DIN16 at all time
Shade DIN 4
From DIN 9 to DIN 13
"WELDING" / "GRINDING" can be selective.
- 5°C to + 55°C ( 23°F to 131°F )
- 20°C ~ + 70°C (-4 ° F to 158° F)
Switching Time (dark to light)
0.25~ 0.8 s at " short -middle-long" position
Our automatic welding mask model S777A are designed and manufactured strictly according to the EN standard and ANSI standard. Optech welding helmet are in full conformity with related EN safety standards and ANSI Z87.1-2003/2010 standards.
- Immediately auto-darkening in 1/30000s. most effectively protect your eyes and face.
- Solar cells power supply, fully automatic power On/Off.
- Lightest weight helmet comfortably to wear. Total weight is not over 430g-480g.
- Adjustable delay switch makes more safety protection
- UV/IR protection, up to shade DIN 16 at all time
- Variable shade can be selected from DIN9(8)-13(14), suitable for all kinds of welding.
- Highly-integration and sealed-up design, good stability and high trustworthy,
- With a special turnover headband mechanism (up and down), helmet’s gravity center can be self-adjustable, welders can feel more comfortable and get more reliable safety protection.
- Sensitivity can be adjustable, further suitable for different requirement of welding.
- Reliable products qualities 2 years guarantee.
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