General welding questions that dont fit in TIG, MIG, Stick, or Certification etc.
Welding helmets (optics classification)
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e_mathison7
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    Sun Nov 15, 2015 4:34 pm

I'd like an explanation/examples of what exactly the optic classifications mean. They are;
Optical Class:
Scattered Light:
Homogeneity:
Angular Dependence:
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http://www.thefabricator.com/article/sa ... -1-clarity
Miller Bobcat 225
Tweco Fabricator 211i
AHP AlphaTIG 200x
Lincoln SP-135+
Hypertherm Powermax 30 Air
ProStar O/A torch
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