You work as a welder or you just have a certain experience of handling welding machines, in which case you can easily decide on the choice of a suitable unit. Because a person who has experience should know what characteristics the apparatus has that he needs. A person who has no proper experience in this matter can be confused in front of a huge number of tools, which are a lot on the market. After all, the assortment is quite huge. To acquire the best may be an impossible task, because the choice will stand between inverters, rectifiers, as well as transformers. You can, of course, opt for an expensive proprietary model or not very expensive, which was made by the Chinese. It should be noted that on average an inverter can weigh up to 10 kilograms, a transformer 30 kg, and a rectifier of about 20 kg.















