They are TIG machines that can be used in weldings of all metals except for aluminium and magnesium alloyed metals (HF), have a convenient arc starting and an economic digital and voltage display that provides unlimited current adjustment with potentiometer control. It is air or water cooled multifunctional TIG welding machine having automatic pulse feature with remote controller, Tig-Electrode option, method option, 2-4 trigger, crater filling setting, soft starting, final gas setting, pre-gas, micro-processor control and 9 program memory.