Electronic welding face type one WADFOW WWH3503

Display area: 100×60 mm Filter dimensions: 133×114×10 mm Arc sensors: 4 ADF width: true color Light condition: DIN 4 Dark condition: DIN 5-9/9-13 Grinding function: yes (DIN 4) Shade cut-off range: yes (DIN 5-9) Power on/off: fully automatic Sensitivity control: stepless adjustment Self-test of automatic document feeder: yes (test button) Low battery: yes (red LED) UV/IR protection: up to DIN 16 at all times Power source: solar cells, replaceable battery (1×CR2450) Time switch (light to dark): 1/25000 seconds Delay time (dark to light): 0.2 seconds to 1.0 seconds, stepless adjustment Low amperage classification TIG: AC/DC TIG, > 5 amperes Operating temperature: -5°C to +55°C Storage temperature: -20°C to +70°C Packed in a color box