WH87 Helmet
Characteristic:
Classical design, comfortable and convenient to use
Popular more than 10 years
Large view area 100x49mm(3.94"x1.93")
High quality LCD and multilayer optical interference filter
Optical class 1/1/1/2
High performance price ratio
| WH8711 | WH8712 | WH8713 | WH8714 | WH8715 | WH8716 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Optical Class | 1/1/1/2 | 1/1/1/2 | 1/1/1/2 | 1/1/1/2 | 1/1/1/2 | |
| Filter Size | 110x90mm(4.33x3.54") | |||||
| Viewing Area | 100x49mm(3.94x1.93") | |||||
| Arc Sensor | 2 | 2 | ||||
| Light State | 4 | 4 | ||||
| Dark State | Variable Shade 9-13 | Variable Shade 9-13 | ||||
| Shade Control | External | Internal | External | |||
| Power On/Off | Fully automatic | |||||
| Sensitivity Control | Low-High,Internal Stepless | |||||
| Switching Time | 1/25,000s | |||||
| Delay Time | 0.2-0.8s,Internal Stepless | |||||
| Grind | External | |||||
| Power Supply |
Solar cell with lithium battery |
Solar cell with replaceable lithium 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) | |||||
More images:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|