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

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$1,199.00 / Set | 1 Set (Min. Order)
Model Number:
MASTERTIG-250AC
$1,199.00
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Lead Time:
10 day(s) after payment received
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Overview
Quick Details
Output Polarity:
AC/DC TIG
Material / Metal Processed:
Carbon Steel, Stainless Steel, Aluminium Alloy
Rated Input Voltage:
220V
Max. Load Power Capacity:
7.81KVA
Rated Duty Cycle @40°C (TIG):
60%
Rated Output Current (TIG):
250A
Rated Output Voltage (TIG):
20V
Welding Current/Voltage Range:
5A/10.2V-250A/20V
Condition:
New
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
TOPWELL
Arc Current:
5-250A
Pulse Frequency:
0.2-20Hz
Pilot Arc Current:
5-250A
Rated Duty Cycle:
60%
Motor Type:
AC Motor
Dimensions:
517x230x451mm
Usage:
Professional Purpose
Voltage:
220V-240V
Power(W):
7.1KVA
Certification:
CE, LVD,EMC
Warranty:
3 Years
After-sales Service Provided:
Free spare parts, Online support, Video technical support
Cooling type:
Fan cooling, but water cooling unit optional.
power factor:
0.73
open circuit voltage:
10V
efficiency:
80%
dimension:
490x230x385mm(LxWxH)
weight:
23kg
brand:
TOPWELL
Efficiency:
80% Inverter Welders
Color:
Red
Mastertig-250AC:
250a AC/DC TIG welding machine

Packaging & Delivery

Selling Units:
Single item
Single package size: 
58X26X57 cm
Single gross weight:
32.0 kg
Package Type:
carton box
Picture Example:
package-img
Lead Time :
Quantity(Set) 1 - 20 >20
Est. Time(days) 10 To be negotiated
Video Description
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 NoMASTER TIG-250AC
Rated Input Voltage1PH ~ 230V ±15%
Max. Load Power CapacityTIG: 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 RangeTIG: 5A/10.2V ~250A/20V
 MMA: 20A/20.8V~200A/28V
Open Circuit Voltage70V~80V
Power Factor0.8
Efficiency80%
TIGPulsePeak Current5A~250A
Pulse Frequency0.2Hz~200Hz
Pulse Width (Ratio)1~100%
AC TIGAC Frequency Range20Hz~250Hz
AC Clean Width (AC Balance)+40~-40
AC Clean Ratio (AC Bias) %+30~-50
MIX TIGMIX Frequency1Hz~5Hz
DC Balance (%)20~80
Arc-starting Current5A~250A
Crater-filling Current5A~250A
Current Up-slope Time0.1S~15S
Current Down-slop Time0.1S~15S
Pre-Gas Time0.1S~15S
Flow-Gas Time0.1S~15S
Spot Arc Time0.1S-10S
MMAArc Force10A~200A
Hot Start Time0.1~3S
Hot Start Current10A~200A
Dimension (LxWxH)490x230x440mm
Weight (KG)23KG
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