What is the purpose of a gas lens?
A) It helps to see the molten weld pool by magnifying it.
B) It filters out most of the harmful UV and some of the IR light.
C) It reduces the turbulence in the shielding gas.
D) It filters out dust and dirt that might be in the shielding gas due to a dirty shielding gas hose.

Question

Quizplus · Accepted Answer

The purpose of a gas lens is to reduce turbulence in the shielding gas, creating a smoother flow of gas around the weld pool. This results in better gas coverage and improved weld quality. A gas lens does not serve to magnify the weld pool, filter light, or filter out dust and dirt.

What Is the Purpose of a Gas Lens