Sparklike Handheld™ measures the colour of the arc and from that specifies the gas content. If you cannot see the arc, Sparklike Handheld™ does not either.

Sparklike Handheld™ measures the colour of the arc and from that specifies the gas content. If you cannot see the arc, Sparklike Handheld™ does not either.
Revolutionizing Energy Efficiency in the Insulating Glass Industry