high frequency 250A portable AC/DC aluminium inverter TIG welding machine

Supplier: Hangzhou Topwell Technology Co., Ltd.
Region: Zhejiang, China
Contact: Mr Robin Yan
Price: $695.42 /set
Min. Order: 1 set

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Product details

Rated Output Current (TIG):	250A;	Color:	Red;
Welding Current/Voltage Range:	5A/10.2V-250A/20V;	Rated Duty Cycle:	60%;
Voltage:	220V-240V;	Warranty:	3 Years;
Pulse Frequency:	0.2-20Hz;	Single package size:	58X26X57 cm;
Usage:	Professional Purpose;	Brand Name:	TOPWELL;
Rated Input Voltage:	220V;	dimension:	490x230x385mm(LxWxH);
Motor Type:	AC Motor;	Single gross weight:	32 KG;
Rated Duty Cycle @40°C (TIG):	60%;	Cooling type:	Fan cooling, but water cooling unit optional.;
Package Type:	carton box;	Package Preview:	https://sc01.alicdn.com/kf/HTB1dRhHafvsK1Rjy0Fiq6zwtXXau.jpg_640x640.jpg;
Mastertig-250AC:	250a AC/DC TIG welding machine;	Certification:	CE, LVD,EMC;
Material / Metal Processed:	Carbon Steel,Stainless Steel,Aluminium Alloy;	open circuit voltage:	10V;
Place of Origin:	Zhejiang China (Mainland);	Condition:	New;
weight:	23kg;	Power(W):	7.1KVA;
Output Polarity:	AC/DC TIG;	Efficiency:	80% Inverter Welders;
Max. Load Power Capacity:	7.81KVA;	power factor:	0.73;
Arc Current:	5-250A;	Selling Units:	Single item;
After-sales Service Provided:	Free spare parts,Online support,Video technical support;	brand:	TOPWELL;
Pilot Arc Current:	5-250A;	Dimensions:	517x230x451mm;
efficiency:	80%;	Delivery Detail:	0 days after payment;
Rated Output Voltage (TIG):	20V;

Product Description

AC Frequency control

control the width of the arc cone. Increasing the AC Frequency provides a more focused arc with increased directional control.
Note: Decreasing the AC Frequency softens the arc and broadens the weld puddle for a wider weld bead.

AC Balance Control

Controls arc cleaning action. Adjusting the % EN of the AC wave controls the width of the etchingzone surrounding the weld.
Note: Set the AC Balance control for adequate arc cleaning action at the sides and in front of the weld puddle. AC Balance should be fine tuned according to how heavy or thick the oxides are.

Independent AC Amperage Control

Controls arc cleaning action. Adjusting the % EN of the AC wave controls the width of Allows the EN and EP amperage values to be set independently. Adjusts the ratio of EN to EP amperage to precisely control heat input to the work and the electrode. EN amperage controls the level of penetration, while EP amperage dramatically effects the arc cleaning action along with the AC Balance control.

Technical Data

Item No	MASTER TIG-250AC
Rated Input Voltage			1PH ~ 230V ±15%
Max. Load Power Capacity			TIG: 7.81KVA
			MMA: 8.75KVA
Rated Duty Cycle(40℃) 60%			TIG: 250A/20V
			MMA: 200A/28V
100%			TIG: 200A/18V
			MMA: 160A/26.4V
Welding Current/Voltage Range			TIG: 5A/10.2V ~250A/20V
			MMA: 20A/20.8V~200A/28V
Open Circuit Voltage			70V~80V
Power Factor			0.8
Efficiency			80%
TIG	Pulse	Peak Current	5A~250A
		Pulse Frequency	0.2Hz~200Hz
		Pulse Width (Ratio)	1~100%
	AC TIG	AC Frequency Range	20Hz~250Hz
		AC Clean Width (AC Balance)	+40~-40
		AC Clean Ratio (AC Bias) %	+30~-50
	MIX TIG	MIX Frequency	1Hz~5Hz
	MIX TIG	DC Balance (%)	20~80
	Arc-starting Current		5A~250A
	Crater-filling Current		5A~250A
	Current Up-slope Time		0.1S~15S
	Current Down-slop Time		0.1S~15S
	Pre-Gas Time		0.1S~15S
	Flow-Gas Time		0.1S~15S
	Spot Arc Time		0.1S-10S
MMA	Arc Force		10A~200A
	Hot Start Time		0.1~3S
	Hot Start Current		10A~200A
Dimension (LxWxH)			490x230x440mm
Weight (KG)			23KG

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