Digital TIG/MMA two function welding machine

Two functions of DC and MMA, cheap but good
Digital TIG/MMA two function welding machine
TECHNICAL SPECIFICATIONS
Model
Precision TIG315AP
Precision TIG400AP
Precision TIG500AP
Input Voltage
AC. three phase 110V~240V±15% 50Hz
Rated input power
12.1KW
17KW
23.5KW
No-load voltage rated
50-70V
50-70V
50-70V
Regulation of output current
5-325A
5-410A
5-510A
Pulse frequency
0.1-500Hz
0.1-500Hz
0.1-500Hz
Drive adjustment range
1-100A/ms
1-100A/ms
1-100A/ms
Up-slope time
0.1-99.9S
0.1-99.9S
0.1-99.9S
Down-slope time
0.1-99.9S
0.1-99.9S
0.1-99.9S
Unaspirated ahead time
0-13S
0-13S
0-13S
Stop Gas lag time
0.1-50S
0.1-50S
0.1-50S
The scope of pulse duty cycle
0.1%-99%
0.1%-99%
0.1%-99%
Duty cycle
60%
60%
60%
Efficiency
90%
90%
90%
Power factor
0.93
0.93
0.95
Insulation class
F
F
F
Protection class of case
IP23S
IP23S
IP23S
Cooling method
Air cold
Air cold
Air cold
Overall dimension
560x300x530mm
560x300x530mm
660x300x530mm
Weight
32Kg
34Kg
41Kg