Digital Auto Darkening Welding Filter (ASP-WF-D302)
Digital design：Shad No., Sensitivity, delay time and battery volume digital and graphic display. Large shade region 4/7-15, is suitable more welding process. Patent of adopting single-chip with software made the filter accurate temperature compensation controlled. Low power consumption, battery volume display, buzzer alarm and changeable prolong product life very well. The temperature compensation from