how do you like your MTS250S and can you answer some questions

[Kempy]

Test different gases. Used MTS250S in Mig mode not SYN/Mode all welds done with the steel cold using 98% Argon 2% o2 and 75% Argon 25% Co2 and 100% Argon. The eases to weld was the 2% o2 and 98% Argon all welds same settings except the Short circuit weld. The Spray Arc set to 25.5 Volts gas flow 12 LPM.