Digital Auto Darkening Welding Filter (ASP-WF-D301)
Digital design：Shad No., Sensitivity, delay time and battery volume digital and graphic display. CE certificate of EN379 is issued by ECS of Germany. The registration No. is C909.1ASP. 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