Wuhan Welhel Photoelectric Co.,ltd.

[Filter modal:WH400] Light state: DIN4 Dark state: DIN9-13 ( Stepless Adjustment ) Switching time: < 1/

Light state: DIN4 Dark state: DIN9-13( Stepless Adjustment outside) Switching time: < 1/25, 000s at Room

Light state: Din4 Dark states: Din9-13 ( stepless regulation) Switching time: (light to dark) < 1/10,000s

Viewing window: 3 1/2” x 1 1/3” (88mm x 34mm) Switching speed: 0.5 milliseconds Dark to light delay: 0.2 sec

Light state: DIN3 or 4 Dark state: DIN9(8)-13(14)( Stepless Regulation) Switching time: < 1/20,000S at R

Light state: DIN3 or 4 Dark state: DIN9(8)-13(14)( Stepless Regulation) Switching time: < 1/20,000S at R

Light state: DIN3 or 4 Dark state: DIN9(8)-13(14)( Stepless Regulation) Switching time: < 1/20,000S at R

Viewing Window: 3 6/7” X 1 1/3” (98mm X 35mm) Switching Speed: 0.5 Milliseconds Dark To Light Delay: 0.2 Sec

Light state:DIN4 Dark states: DIN9-13 (stepless adjustment) Switching time: <0.1ms at room temperature

Light state: DIN3 Dark states: DIN9-13 ( stepless regulation) Switching time: < 1/20,000s at room tempera

Filter: welding glass, shade DIN7/8/9/10/11/12/13/14. Size of viewing window: 108*50mm 114*133mm Materia

Filter: welding glass, shade DIN7/8/9/10/11/12/13/14. Size of viewing window: 108*50mm 114*133mm Mater