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> Solar auto dark black welding mask helmet mig tig ARC3
Solar auto dark black welding mask helmet mig tig ARC3
Solar Auto Dark Black Welding Mask Helmet MIG
4.Ultraviolet / infrared transmission: UV: 313nm-365nm <0.0003%
Infra-red: 780nm-1300nm <0.027% 1300nm-2000nm <0.085%
6. Variable Shade: From DIN 9 to DIN 13
7. Power Supply: Solar cells, two lithium batteries
The lens material filters IR and UV light at ALL TIMES, power supply by solar cell,
8. Power On /Off: Fully Automatic
a).Light to Dark: 1/25000s at room temperature
11. Operating Temperature: - 5 C + 55 C
12. Storing Temperature: -20 C + 70 C
