hi about ---clamp on toroidal DC probe-- will this work http://www.harborfreight.com/clamp-on-digital-multimeter-95683.html
or i need one that has --out put--- that should be connected to PWM? On Tue, Jul 29, 2014 at 1:22 PM, a k <[email protected]> wrote: > Hi > someone say that all welders - can work - continuously only 1-2-3 minute > and than need about 10 minute to cool down. > is this right? > also when deposit part with welding - should it have cool down time ? > because it will get super hot and it may result in warping -deformation? > did you find those problem? > > > > > On Tue, Jul 29, 2014 at 12:16 PM, Lars Andersson <[email protected]> > wrote: > >> In this case I did blindly control the weld current via the PWM output. >> The TIG machine is a current regulating controller, it keeps the current >> to what is commanded. >> The unit I controlled was an Kemppi Mastertig 1500 >> >> I did initially measure the current with a clamp on toroidal DC probe on >> the return lead. You might think that the arc-start spark voltage is a >> problem, but it worked quite well for me. >> > Hi >> > Lars >> > ---I am doing something similar with a TIG welder where 0 - 5V >> corresponds >> > ---to 0 - 160A welding current. >> > >> > >> > what kind sensor-device do you use to read 160A current ? >> > >> > thanks >> > aram >> > >> > >> >> >> >> ------------------------------------------------------------------------------ >> Infragistics Professional >> Build stunning WinForms apps today! >> Reboot your WinForms applications with our WinForms controls. >> Build a bridge from your legacy apps to the future. >> >> http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
