The standout feature of this unit is right in the name: . This machine offers a dual-power input system (though specifics can vary by region/era, usually 230V single phase). However, the "Dual" often refers to its ability to run both Standard MIG (Short Circuit) and is optimized for Gasless Flux-Cored welding without the hassle of changing internal polarity switches—often featuring a quick-change terminal setup inside the wire feed compartment.
Save the PDF to your smartphone and print a waterproof copy for your workshop wall. cem dual mig 120 manual
No. The CEM Dual MIG 120 has a manual with analog dials. The Pro model uses digital readouts. Always download the manual specific to your serial number. Comprehensive Guide to the CEM Dual MIG 120:
Setting up the CEM Dual MIG 120 incorrectly is the number one cause of poor welds. Here is the exact sequence from the manual. MIG welding techniques:
These are consumables. If the wire is "stuttering," replace the copper tip at the end of the torch.
If you are tired of disposable welders that break after a year, the CEM is the answer. It holds its value well.