S777 Helmet
Characteristic:
For industrial welding and grinding applications
Perform in the most demanding environments
With grinding function
Magnify /Cheat Lens capable
New headgear features unsurpassed fit and durability
| S777A | S777B | |
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| Optical Class | 1/2/1/1 | |
| Filter Size | 110x90mm(4.33x3.54") | |
| Viewing Area | 98x55mm(3.86x2.17") | |
| Arc Sensor | 2 | 4 |
| Light State | 4 | |
| Dark State | VariableShade 9-13 | |
| Shade Control | External | |
| Power On/Off | Fullyautomatic | |
| Sensitivity Control | Low-High,ExternalStepless | |
| SwitchingTime | 1/30,000s | |
| DelayTime | 0.25-0.8s,Internal Switch | |
| Grind | Internal | |
| Test | Yes | |
| Power Supply | Solarcell with lithium battery | Solarcell with replaceable lithium battery |
| UV/IR Protection | Up toshade 16 | |
| Operating Temp. | -10°C~+55°C(14°F~131°F) | |
| Storing Temp. | -20°C~+70°C(-4°F~158°F) | |
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