THE TELWIN 240 WAVE MULTIPROCESS INVERTER

Technomig 240 Wave is a multiprocess inverter welding machine  (MIG-MAG/FLUX/TIG/MMA)  with a Wave OS operating system. This makes it quick and simple to select the correct synergic welding parameter for the job.

Its main feature though is the MIG Pulse function. Ideal for aluminium and easy to use it gives professional welding in a compact form.

TOTALLY MOBILE

Weighing 24Kg its not light but the handle is really sturdy and its slim design means it can be comfortably carried to your place of work. Lift Arc TIG functions and MMA operation make this the ideal engineering and maintenance machine.

Steel, Aluminium and MIG Braze functions also make this machine ideal for vehicle bodywork and garages.

Why It’s Great for Small Bodyshops & Car Body Repair

1. Multiprocess Flexibility – MIG‑MAG for steel, pulsed modes for aluminium, TIG for precision or brazing or MMA for stick welding. A single machine covers it all.

2. Portable Yet Powerful – At ~24 kg, it’s reasonably easy to move around a shop or into tight spaces while delivering up to 200 A output.

3. Quick Learning Curve – The Wave OS interface means even entrants to bodyshop welding can dial in settings fast; no cryptic menus, just intuitive visuals.

4. Minimises Panel Distortion – ATC mode helps avoid warpage on thin panels—crucial when aesthetics matter.

5. Data-Driven Quality – Save session logs to USB and export via WDM software—excellent for process verification or monitoring welder productivity.

EASY USE

Telwin has introduced a new Synergic programme system called "WAVE OS".

This programme software makes it easier for the welder/operator to choose the best synergic setting for their job. The LCD graphic is clear with a very neat symbol of a fillet weld and torch showing when you adjust the setting the filled having less wire fill and/or more wire fill. 
Everything is controlled by the centre knob control, simply turn the knob to the desired setting that you want to adjust and press to highlight the setting. In BASIC mode you have three settings displayed, Wire Speed, Material Thickness, and Trim.

Simply select your metal thickness to what you are welding and ensure the trim is on zero and carry out a test weld. If you feel you need more wire then select the TRIM and adjust plus or minus until you get your desired outcome. Press the knob to set. Its that easy!

I found the settings to be pretty good but I still needed to adjust slightly, the settings were originally programmed at the Telwin factory and set by a professional welder with his desired settings and his wire and gas. This might be slightly different from what you use, hence the need to adjust. Programmed into the welder is a complete set of 57 synergic, preset programs for all types of materials.

 As well as the Synergic settings we all have more advanced features such as:

AB Pulse + AB PoP for Pulse and Double Pulse welding on aluminium and galvanised sheets metal.

The essentially means that the weld will make and break as you move along the joint. This weld and brake action creates the penny stacking effect that you see on a lot of aluminium tankers and trailers welds. Its a hot/cold technique and so enables you to weld thinner materials such as aluminium car body panels easily

ATC for welding on thin thicknesses thanks to advanced control of the arc, its designed for the car body repair industry to enable easier welding of thin car body panels. The ATC setting due to the low voltages use does sound differently from a normal setting as the arc is more tightly controlled.  This can confuse welders into thinking it not correct and turning the set up higher until the arc sounds like what they are use too.

CUSTOMISATION

Create and save your welding settings thanks to the EXPERT mode. 

WELDING DATA MANAGEMENT

Welding session recording for monitoring the quality and productivity of processing via USB and data analysis with WDM software.

VERSATILITY

Ideal for the most wide-ranging types of applications and materials:
- multiprocess MIG-MAG/MMA/TIG;
- single-phase (16A plug) power supply to grant a flexible use in any environment;
- VRD (Voltage Reduction Device) to increase operator safety;
- possible use of Push-pull torch.

PORTABILITY

A compact and easy-to-carry product, allowing work anywhere with it. 

MT25 CONTROL  TORCH (OPTIONAL)

The MT25 Control torch offers the possibility of adjusting the current directly on the handle during welding, thus avoiding any process interruption.

Conclusion 

As an engineer who’s seen more welders than most, I can say the Technomig 240 Wave is the sort of all‑rounder you wish you’d had decades ago. It’s no lightweight toy, but with its compact chassis and smart interface, it feels more friendly than formidable. Throw in versatile processes, synergy‑based presets, and handy thermal control—and you’ve got a machine that is at home in small bodyshops, repair bays, and on‑site vehicle work.

Paul Jones Director BWS Ltd, CSWIP Ive been a welding engineer for over 30 years and a welding inspector for 23 years with vast experience of welding and related topics.