Hi FEM2008, thank you for words. Glad to know you have been somewhat linked to the excellent manufacturer!
chy_farm (Jul 30, 2020)
A small tip about an oscilloscope that I need in this.
Some of you may feel it's too costly to buy an oscilloscope for a sort of small job like this, namely to see the wave forms of your welding. Then I think I can recommend a cheapest one like the one I use on another tool I posted here;
(Variable Frequency Drive for a larger factory fan)
I got this (the one you see at the upper part of my VFD) new but it still does not cost too much, nearly $40 or less.
Oscilloscope for this welder-purpose does not require too big features. We want it to see only very low frequencies like 1Hz to 1kHz (this means it's not pricey though), but one thing we need is that it must have a 'Hold Button' to keep the view when you want to stop its detection.
Last edited by chy_farm; Jul 31, 2020 at 12:28 AM.
Carnel (Jul 31, 2020)
Other cheap options include Arduino (and similar micros) based scopes, either stand alone with a dedicated TFT screen or even cheaper using a laptop for display and signal processing.
There are many examples of how-to on the net.
A big step up the food chain are oscilloscope boxes that connect to a laptop. I use a "Picoscope" which start from around USD 120+ and go up to $1000s. These are full featured scopes but with the advantage over dedicated scopes that the software has more processing power available from the PC.
Showing a sample of usage for this tool in my another thread below;
Adding Digital Generators to an Old Analogue TIG Welder
in which I used a comparison data of this;
Hope this can help your welding.
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