Auto-darkening welding helmet

TSP9309 is an auto-darkening welding helmet produced by the “TOTAL” tools brand.

Here’s a summary of its key features:   

• Auto-Darkening Function:
  • It automatically switches from a light state to a dark state when it detects an arc.
  • The switching time is very fast, around 1/5000s.   
• Protection:
  • Provides UV/IR protection (DIN 16).   
• Specifications:
  • Viewing area: 90×35mm.   
  • Dark state: fixed shade 11.   
  • Light state: DIN 4.   
  • Arc sensor: 2.
  • Power supply: Solar cells, with re-chargeable battery.   
• Shade and Sensitivity:
  • Shade control: unadjustable.   
  • Sensitivity control: unadjustable, auto.   
• Availability:
  • It is sold in varying locations, and online retailers.   

Key points to understand about this helmet, is that it is a fixed shade helmet, meaning the darkness of the lens when it darkens, is not able to be adjusted by the user.