Product Name: TIG Welding Machine Acdc Welder Pulse Aluminum Wsme 250A 315A Intelligent Model NO.: TIG-250SNY AC/DC, TIG-315SNY AC/DC Electric Current: AC Frequency Range: Intermediate Frequency Control: Automatic Shielding Gas: Argon Gas Cooling Way: Air Cooling Trademark: proPOWERLAND Transport Package: Carton Origin: China HS Code: 8515390000 Product Description TIG-250SNY AC/DC TIG-315SNY AC/DC (TIG pulse)PROFESSIonAL ALUMINUM WELDERAdvantagement:1) New generation synergic welding equipments2) TIG / AC&DC / MMA / AC&DC / pulse function;a professional TIG machine to weld aluminum3) IGBT technology, MCU control system, easy for HF ignition4) Multi-remote control function5) Intelligent spot welding6) High current output7) High duty cycle8) Built-in intelligent protection of over voltage, over current, over heat and low voltage9) Remote controlled by TIG torch (UP-DOWN) potentiometer),pedal, or RC unit (optional)10) small volume, light weight and portable design11) 3 years limited warranty for parts and labor intelligent after sales serviceModel number:TIG-250SNY AC/DCTIG-315SNY AC/DCRated input power :220V±10%~ 50/60HZ220V±10%~ 50/60HZTechnology Application:MCU control systemMCU control systemNo-load voltage:65 V65 VCurrent range (TIG):10-250 A10-315 ACurrent range (MMA):20-200 A20-250 ADuty cycle :60%60%Efficiency:≥85%≥85%Range of downslope time:0~10 s0~10 sRange of upslope time:0~20 s0~20 sRange of pre-gas time:0~10 s0~10 sRange of post-gas time:0~10 s0~10 sClearance effect:10~90 % (width)10~90 % (width)-50~+50 % (depth)-50~+50 % (depth)Protection degreeIP23SIP23SPacking:1set/ honeycomb box1set/ honeycomb box