F Helmet
Characteristic:
Classical design, comfortable and convenient to use
High quality LCD and multilayer optical interference filter
Optical class 1/1/1/2
With grinding function
High performance price ratio
| F9235AG | F9242BG | F9242NG | F9242G | F1050G | |
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| Optical Class | 1/1/1/2 | 1/1/1/2 | 1/1/1/2 | ||
| Filter Size | 110x90mm(4.33x3.54") | 110x90mm(4.33x3.54") | 110x90mm(4.33x3.54") | ||
| Viewing Area | 92x35mm(3.62x1.38") | 92x42mm(3.62x1.65") | 92x42mm(3.62x1.65") | 100x50mm(3.94x1.97") | |
| Arc Sensor | 2 | 2 | 2 | ||
| Light State | 4 | 4 | 4 | ||
| Dark State | Variable Shade 9-13 | Variable Shade 9-13 | Variable Shade 9-13 | ||
| Shade Control | External | Internal | External | ||
| Power On/Off | Fully automatic | Fully automatic | |||
| Sensitivity Control |
Low-High,Internal Stepless |
L/M/H,Internal Switch |
Low-High,Internal Stepless | ||
| Switching Time | 1/25,000s | 1/25,000s | |||
| Delay Time |
0.2-0.8s,Internal Stepless |
0.2/0.5/0.8s,Internal Switch |
0.2-0.8s,Internal Stepless | ||
| Grind | External | Internal | External | ||
| Low Battery Indicator | Yes | ||||
| TEST | Yes | ||||
| Power Supply |
Solar cell with AAA battery |
Solar cell with lithium battery |
Solar cell with replaceable lithium battery |
Solar cell with lithium battery | |
| UV/IR Protection | Up to shade 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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