QL-W78 New design custom welding mask
Ningbo Qilong Plastic Co., Ltd. [China] 
1.Powerful R&D Team 2.Welding/Grinding/Sensitivity 3.Welding Helemts/Machines/Cables 4.Fashion design
ADF DX-950N ADF DX-980N
| Optical Class | 1 / 1 / 1 / 2 | |
| Viewing Area | 98×62mm | 98×80mm |
| Cartridge Size | 133×114×10mm | |
| Arc Sensor | 4 | |
| Light State | DIN 4 | |
| Dark State | Variable shade, 9 ~13 | |
| Shade Control | Internal,Variable | |
| Power On/Off | Internal,Variable | |
| Sensitivity Control | Low — High, by infinitely dial knob | |
| UV/IR Protection | DIN16 | |
| Power Supply | Solar cell. Battery change required 2×CR2450 lithium battery | |
| Switching Time | 1/25000S, from Light to Dark | |
| Dark to Light | 0.1-1.0S by infinitely dial knob | |
| Low Amperage TIG | ≥5amps(DC),≥5amps(AC), | |
| Grinding Function | YES | YES |
| Low Volume Alarm | YES | YES |
| ADF self-check | YES | YES |
| Operating Tep. | -5°C~+55°C | |
| Storing Tep. | -20°C~+70°C | |
| Warranty | 2 Years | |
| Weight | 590g | |
| Packing Size | 33×23×26cm | |
QL-W78 New design custom welding mask
