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| Customization: | Available |
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| Item No.: | Wm4027 (Auto-Darkening Welding Helmet) |
| Classification: | 1/1/1/2 |
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| Item No. | WM4027 |
| Classification | 1/1/1/2 |
| Grinding function | NO |
| View size | 91x39mm |
| Shade state | DIN3/11 |
| Shade control | Fixed |
| Sensitivity | Internal variable |
| Switching time | <0.3ms (Room temperature) |
| Delay time | 0.1-0.8s (Internal variable) |
| Arc sensor | 2 |
| Power supply | Solar cell & Li-batteries |
| Battery replace | No battery change required |
| Operating temp. | -10ºC ~ +60ºC |
| Shell material | PP (Fire-proof) |
| Package | 1set/color box |
| Warranty | 2years |