ESAB’s latest Caddy portable TIG welding units are suitable for welding various materials, including mild and stainless steels, while some can be used for aluminium welding. In addition to an introductory range of equipment, ESAB has launched two Origo Tig 3001i units - TA23 and TA24. Both require a three-phase electricity supply and have a maximum output of 300A at 35%. These direct current units are designed for welding mild and stainless steel. Both have TIG DC and MMA processes; the TA24 also has Pulse TIG DC. Special functions include slope up/down and the possibility of remote control. The Tig 3001i, TA24 also has Pulse TIG DC, micro pulse and two memory settings. The two Origo AC/DC units can work with aluminium as well as steel and both offer TIG AC/DC and micro pulse processes. Other features include: Pulse TIG DC, micro pulse, slope up/down, AC frequency and balance control, electrode pre-heating, two memory settings and the option of remote operation. ESAB’s top of the range Aristo Tig units require a three-phase electricity supply, while both have an output of 400A at 35%. Both offer TIG DC and MMA, while the TA6 also has the Pulse TIG process. The TA4 unit offers a special function of slope up/down, to which the TA6 unit adds Pulse TIG, MMA electrode type selection and 10 memory settings. Both can be operated by remote control.