It is very important to have a good quality welding helmet regardless if you’re just doing a garage work or you’re engaged in a long-term welding project, in order to protect your eyes from harmful rays such as ultraviolet and infrared rays, improve your welding capabilities and higher welding output. Selecting the right welding helmet for you might be confusing and overwhelming if are not too familiar with the latest in automatic darkening lens technology and welding national safety standards. Check out the Best Welding Equipment at this website for more information.
The two types of welding helmet lens are the standard or passive lens made of molded plastic and the viewing of filter lens made of special tinted glass with ultraviolet and infrared coatings (#10 shade). Electronic filter lens with adjustable and variable lens features are designed for the modern auto-darkening filter lens (ADF), making welding simple and easy, with LCD display powered by battery or solar power or both. Automatic darkening LCD filter is set to #3 or #4 if the lens is not activated like seeing through a sunglasses, allowing easy viewing of stick electrode, MIG gun or TIG torch. The auto-darkening filter automatically adjust to #9 to #13 shade if an arc has been initiated depending on te settings, that is hundred times faster than a blink of an eye. The good thing about it is that auto-darkening welding helmets stays down all through the stage of the welding process unlike the conventional standard welding helmets fifty years ago.
If you’re working on one type of material like steel, with same thickness and welding process, a standard #10 shade will suffice but you work on various materials like aluminum, stainless steel, and mild steel of varying thickness and welding processes, such as stick, TIG and MIG, it is necessary to get a variable or adjustable shade lens type with a wide amperage of 40 amps up to no more than 200 amps. You also have to consider the lens reaction time or switching speed when shopping for an auto-darkening filter helmet, which determines how fast the best welding gear or helmet’s lens switch from its natural state to the darkened shade when welding starts. The higher the number, the faster is the reaction time, and the better it is for your eyes, preventing dryness and discomfort. The rate of entry-level auto-darkening lens is usually 1/3,600 of a second switching speed, 1/16,000 for intermediate and professional levels. So invest in the best welding helmet gear now for your safety and protection.
For more info, visit http://en.wikipedia.org/wiki/Welding.