factory direct sales solar automatic darkening welding argon arc welding mask welding helmet welding helmet protective mask

Technical Indicators:
1. Applicable scope: All welding processes except laser welding, including electric welding, argon arc welding, gas protection welding, soldering, etc.
2. Bright Condition: DIN 4 3. Dark Condition: DIN 9-13 Adjustable (External Adjustment) 4. Viewer Size: 93×43×6mm, Frame Size: 110×90mm
5. Response Time (from bright to dark):1/25,000 second (at normal temperature) 6. Return time (from dark to bright): Adjustable: 0.15S to 0.80S 7. Sensitivity (based on current size during welding): Adjustable: Low/High 8. Battery: Lithium battery + solar battery 9. Frame size: 110X 90mm
10. Ultraviolet Transmittance: 313nm ≤ 0.00006%, 365nm ≤ 0.00006% 11. Ultraviolet Protection: 15th Level 12. Infrared Transmittance: 780~1300nm ≤ 0.003%, 1300~2000nm ≤ 0.009% 13. Operating Temperature: -5°C ~ +55°C (23°F ~ 131°F) 14. Storage Temperature: -20°C ~ +70°C (-4°F ~ 158°F) 15. Weight: 500G
Product Features
1. During welding, the visual clarity is high, allowing for a clear observation of the weld points to ensure the quality of the welding.
2. Novel and attractive design, ultra-lightweight and durable shell.
3. Dual-filtering to prevent harmful radiation from ultraviolet and infrared light produced by electric arcs, as well as the eye damage caused by the intense light of welding.
Packing Quantity (pcs): 20
The price of the color box packaging is +5 yuan per piece.
 
Characteristics:
 
1. Reliable light change, light change time less than 1/10,000 seconds
2. Advanced filter technology, uniform light transmission, clear imaging.
3. When not exposed to light, the shade number is 3, providing sufficient light for preparation work and precise polishing.