The robotic welding machine is built-in with three major communication protocols. It supports DC, pulse, super pulse and SAT welding processes. Duty cycle: 500A / 100%. U82 supports multiple languages and has built-in over-limit monitoring function. U82 is equipped with 250 characteristic curves, covering welding of various materials. The Jobs mode supports 255 sets of parameters. The characteristic curves of U82 can be customized and modified to meet customers' special process requirements. The new water tank is equipped with a built-in flow sensor.