All welcome. In the life of almost every man there comes a moment when he thinks about buying a welder. But today, so many suggestions of models and brands on the market, it is quite possible to get confused with the choice. Well, if you know exactly what brand and model you will take, but if in doubt try to help deal with the choice in this article.
For example, I will talk about the information you need on the example of his working inverter that I dragged out of the garage.
After all, every phone has a label, which shows all the necessary information, and if you learn to read, you can easily compare one device to another and to understand which one is better.
Let's begin to understand what kind of information gives us this plate.
IN - 200 is a model of my welding inverter.
This label is an inverter circuit.
A sign with the value of EN 60974 - 1 means the compliance with European standards requirements for welding equipment.
This icon DC.
This icon represents the current range of my device, and it outputs a voltage in this range.
This icon is clear even to a child - manual arc welding.
Uo = 85 V is the open circuit voltage is a very important indicator for the welding inverter and it denotes the voltage between the positive and negative output terminals when not welding arc. At this rate, it is worth paying attention to, because the higher it is, the easier it is to ignite the arc.
This icon means that we are connected to the single phase power with a frequency of 50-60 Hz.
This means the maximum permissible voltage on the network.
This label indicates that the device at its maximum values consumes a maximum current of 42 amps, which means about 9 kilowatts.
The maximum value of the effective power current.
IP 21 protection class and means that the device housing is not imbued with any hard objects, and that is not terrible effect of water droplets, if they are falling vertically. Although I this is not an argument - if it finds rain, always cover the device with a rubber carpet, and as soon as he goes the shutdowns (well, when I cook on the street).
These 4 icon from left to right mean - you can not throw in the trash, other dangers, read the instructions before use, protect from the rain.
But these icons I left at the end of the article, since they are the most important. These signs indicate the unit capacity range for different welding currents. How to understand them? Look at maximum current for this device is 200 amperes, the voltage we will have 28 volts and this mode it can run 40 percent of the time, then from 10 minutes to continuously cook 4 minutes. But look - at 140 amps can work 100 percent of the time, that is all you can cook on this current continuously without stopping.
So in conclusion I want to add myself, that is not the fact that the inverters are mostly made in China, there are all the declared specifications characteristics, and therefore it is better to err and not to spare a couple of thousand to overpay and take all the apparatus 180 or 200 amps, but this is my personal subjective opinion.