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Modular AC/DC TIG inverter welding machine of the latest generation.
EWM User Manual
EWM 3 Year Parts and Labour Warranty (Requires Registration)
Straight answers to the questions people ask most when choosing and using single phase TIG welders.
Single phase 230 volt is the supply found in homes, small workshops and many units, so a machine designed for it can be used almost anywhere without needing a three phase installation. Modern inverter designs draw relatively low current for the welding power they produce.That makes these machines popular for fabrication, repair, motorsport, restoration, pipework and light industrial work, as well as for home use.
The supply limits the maximum welding current. A standard 13 amp socket gives less power than a dedicated higher-rated supply, so the output you can use continuously may be lower than the machine's maximum. Check the data plate for the input current at full output, and what protection it needs.For higher currents or heavier duty, a dedicated circuit installed by a competent electrician may be needed. Do not assume a plug-in connection will suit full output.
Think about the thickest material you will weld and the process, and choose a rating with some margin. Aluminium needs considerably more current than steel for the same thickness, and heavier sections need more again.Also consider duty cycle, which describes how much of each ten minute period the machine can weld at a given current. A machine rated well above your usual working current runs cooler, lasts longer and is more pleasant to use.
Pulse TIG alternates between a higher peak current and a lower background current many times a second. This gives better heat control on thin material, reduces distortion and burn-through, and helps on out-of-position welds and where you want a consistent bead appearance.It is not necessary for every job, but it is valuable for thin stainless, tube and precision work. Check that the pulse settings, range and frequency suit what you intend to weld.
