TIG inverter welding machine with high frequency start. Thanks to the modular structure, the machine can be retrofitted with an additional water block without using any tool. With the two available control variants (Smart 2.0 or Comfort 2.0), a variety of functions are available: - TIG Liftarc welding without HF - MMA pulsing - TIG pulsing (sec/kHz) up to maximum 15 kHz - TIG AC welding - TIG AC pulsing (sec/special) - Non-latched/latched operation - Adjustable up-slope and down-slope time - Adjustable gas pre- and post-flow time - MMA welding - Adjustable hot start current and hot start time - Adjustable Arcforce - Antistick function Available as DC and AC/DC variant with optional torch connection for standard start/stop welding torch or up/down torch.