B Helmet
Characteristic:
Classical design, popular more ten years.
Comfortable and convenient to use
High quality LCD and multilayer optical interference filter
Optical class 1/1/1/2
High performance price ratio
| B9045A | B9140S | B9645G | |
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| Optical Class | 1/1/1/2 | 1/1/1/2 | |
| Filter Size | 110x90mm(4.33x3.54") | ||
| Viewing Area | 90x45mm(3.54x1.77") | 91x40mm(3.58x1.57") | 96x45mm(3.78x1.77") |
| Arc Sensor | 2 | 2 | 2 |
| Light State | 4 | 4 | 4 |
| Dark State | Variable Shade 9-13 | ||
| Shade Control | External | ||
| Power On/Off | Manual-on,Auto-off | Fully automatic | |
| Sensitivity Control | Low-High,Internal Stepless | ||
| Switching Time | 1/25,000s | ||
| Delay Time | 0.2-0.8s,Internal Stepless | ||
| Grind | Internal | ||
| Power Supply | Solar cell with AAA 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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