The Optrel® Weldcap® offers the protection of an auto-darkening welding helmet with a lightweight, flame-retardant baseball cap. The Weldcap lens has a single, wide-angle sensor, operable in variable shades 9 to 12 or shade 3 grind mode. The nose cutout design provides a field of vision up to 270% greater than a standard 2 1/2 x 4 1/4 inch welding lens. Manufacturer’s two-year warranty on the auto-dark lens assembly.
| Power supply | 2 pcs LI-batteries 3V exchangeable (CR2032) No need to switch on-off. |
| Viewing area | Viewing angle downwards: +37° Viewing angle sidewards: +25° |
| Sensors | Wide angle detection sensor |
| Light transmittance | Ultraviolet/infrared protection (maximum at any shade setting) Visible range activated shade level DIN 9-12 Visible range not activated shade level DIN 3 |
| Switching time | Light to dark at room temperature: 0.16 ms Light to dark at 55°C / 131°F: 0.110 ms |
| Dark to light | 0.3s |
| Classification EN 379 | 1/1/2/2 |
| Classification EN 175 | F (45m/s impact resistance) |
| Shape Stability | Welding mask up to 180°C / 356°F Front cover lens up to 135°C / 275°F |
| Grinding Mode | Shade level DIN 3 |
| Material | Rigid plastic face shield and flame retardent textile according to EN ISO 11611 (Class 1, A1+ A2) |
| Operation Temperature | -10°C to +60°C / 14°F to 158°F |
| Storage Temperature | -20°C to +80°C / -4°F to 176°F |
| Weight Helmet cpl. | approx. 400g |
| Warranty | 2 years (excluding textile cap and battery) |
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