TIG Welders
Includes:

Machine, 2 of the 5/8-18 RH to 1/4BSP gas connections, and the Dual Voltage Adapter Cord if a DV machine is ordered 


Does Not Include: 
Victor Flowmeter and gas hose, 12.5' Heavy Hitter 350 Torch with super flex cable, 10' ground cable , 12' SSC Foot Pedal Welding Cart, Gas Bottle, Tungsten, or Filler Rod

HTP® Invertig™ 251 DV AC/DC - Miller® (Dual Voltage 110/220)

Product # tig251dv-miller
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    $4,534.00

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HTP® Invertig™ 251 DV AC/DC - Miller® (Dual Voltage 110/220):

The HTP Invertig™ line up has now been elevated to the next level! 

This package is for customers who want the brand new HTP® Invertig™ 251 DV but would like to use their existing Miller® accessories -torch, ground clamp, foot pedal (14pin) and existing gas hose and flowmeter (please note that your Miller TIG torch will need the 35 Dinse connection).  When you order this package in the dual voltage option you get the Invertig 251DV welder, two adapters to convert the 5/8-18 gas fittings to 1/4BSP, and the 110/220 adapter cord.  

Meet the HTP Invertig™ 251DV AC/DCAmericas most advanced AC/DC tig welding machine.

This is the one that broke the mold. HTP (High Technology Products) is continuing its legacy setting the standard in the welding industry once again. The new HTP® Invertig™ 251 AC/DC is the machine you have been waiting for! Of course, this machine is also Made in Italy just like all previous and current HTP® Invertig machines, excellent build quality and arc dynamic, packed with features that other manufactures have not even heard of yet. It features 1 amp starting and 250 amps max output and it comes with an easy to navigate menu displayed on a 5.1” Hi definition LCD Color Screen.

If you are serious about high end welding, you want outstanding results, you weld exotic or reactive metals, look no further. The HTP® Invertig™ 251 AC/DC has multiple ways to start the arc, you can use it with foot pedals, sliders, rotary hand controls, the TIG Button™. Thanks to our new Dynamic Power™ option you don’t really need a foot pedal anymore. You can vary your amperage simply by how close or how far you hold your torch to the workpiece. If you previously owned a blue welder of course all your accessories including your wireless pedal, cold wire feeder, orbital welding machine, etc. ALL those accessories are a direct fit, no electrical adapters or switching over of any kind needed.

In DC you now have options you never had before.  If course you can weld regular DC TIG, nothing special, and you can pulse DC TIG, most machines can do that too, but now you have a Soft Pulse option also where you can pulse DC TIG without the annoying sound. Those exotic or reactive metals I was talking about earlier, don’t you wish there was an easier way to weld Titanium and Stainless? Well, now there is:  DC double pulse. You have a high-speed pulse overlaid with a low-speed pulse, helping you to reduce heat input, HAZ, distortion and increase travel speed. We also revolutionized the way how you can hold parts in place with our new Fast-Tack technology.

In AC you have all the options you have ever wanted. You can choose from different AC wave forms, then you can “mix and match” choose one wave shape for the positive side of the wave and another one for the negative side of the wave. Of course, you can still adjust your balance and frequency to 400Hz (100 amps and less) and 200Hz (101-250 amps) and you have asymmetric AC as well, but now you can choose your zero-crossing current.  This makes you puddle more stable and less aggressive. If you are looking to weld BIG stuff with this machine, we know how much heat it can take to weld thick aluminum and no matter if you use 100% Argon or AR/HE mixes we added a Mix AC/DC feature that will allow you to mix DC into the AC welding arc and help you with tremendous amounts of additional penetration.

To learn more about this machine contact our customer service experts to see how YOU can benefit from this technology today.

The HTP® Invertig™ 251 DV AC/DC - Miller® (Dual Voltage 110/220) Specifications:

 

Input VoltageSingle Voltage 220V (208 to 240V)
Welding Current Single-Phase (240 volt) TIG1 to 250A

 

 
Welding Current Single-Phase (240 volt) STICK10 to 200A
  
Max Rated Output TIG250A
Max Rated Output STICK200A
Open Circuit Voltage 70V Stick - 90V TIG
ClassIP23S
Duty-Cycle (TIG) @104F @240Volt

20% @ 250A

60% @ 160A

100% @ 130A

  
Duty-Cycle (Stick) @104F @240Volt

25% @ 200A

60% @ 140A

100% @ 120A

  
Welding Modes

Stick
TIG 2T (Pedal/Slider)

TIG 2T
TIG 4T
TIG Spot
CAC - A (Gouging)

  
Tig ProcessAC, DC, AC Mix
TIG AC ProcessAC, AC Mix, Pulse
TIG DC ProcessStandard, Pulse, Soft Pulse, Double Pulse, Dynamic Power
AC MixYes
AC Mix (DC percentage)10 to 90%
Asymmetric ArcYes
EN Amperage (%)10 to 100%
EP Amperage (%)10 to 100%
AC Frequency (Hz) 2-100A20 to 400Hz
AC Frequency (Hz) 101-250A20 to 200Hz
AC Balance (%)10 to 90%
AC Wave FormsSquare, Triangle, Sine
AC Wave Forms mix and matchYes, All
AC Zero Crossing Current20 - 80A or AUTO
  
Spot ProcessStandard, Fast-Tack
Spot Time ON (Seconds)0.01 to 10.0s
Spot Time OFF (Seconds)0.01 to 10.0s
  
Stick ProcessManual, Easy-SET, DC pulse, DC Soft Pulse, AC Standard
Pulse StickYes
Stick Electrode SelectionYes
Stick Hot Start (%)0 to 50%
Stick Hot Start Time (seconds)0 to 2.5s
Stick Arc Force (%)0 to 500%
Stick DC PolarityReverse (DCEP) – Straight (DCEN)
  
General Tig Settings 
Pre-Flow (seconds)0.1 to 25s
Post-Flow (seconds)0.1 to 50s
Initial Amps (%)10 to 90%
Initial Amps Time (seconds)0 to 25s
Final Amps (%)10 to 90%
Final Amps Time (seconds)0 to 25s
Slope Up (seconds)0.1 to 10.0s
Slope Down (seconds)0.1 to 10.0s
Tig Minimum Amp Regulation1 to 100A
Tig Hot Start5 to 100A or AUTO
Tig Tungsten SelectionYes, .040”, 1/16", 3/32", 1/8"
Tig Arc StartingHF, Lift, Lift Pipe, Pipe Lift Smart
  
Pulse Parameters 
Stick Pulse Frequency (PPS)0.4 to 5.0
Stick Pulse peak time (%)10 to 90%
Stick Pulse Background Amps (%)10 to 90%
Pulses/Second (PPS) TIG AC0.4 to 20.0
Pulses/Second (PPS) TIG DC0.4 to 1000
Peak Time (%)10 to 90%
Background Amps (%)10 to 90%
  
Automatic Polarity ReversalYes
Programmable Memories8
Cooling (On Demand)Fan Variable Speed (Forced Air) 
Dimensions (Length x Width x Height)19-3/4" x 10" x 15-1/2"
Weight (Lbs.)48 Lbs.

 

Input VoltageDual Voltage 110V/220V (208 to 240V)
Welding Current Single-Phase (240 volt) TIG1 to 250A
Welding Current Single-Phase (120 volt) TIG1 to 150A
Welding Current Single-Phase (240 volt) STICK10 to 200A
Welding Current Single-Phase (120 volt) STICK10 to 110A
Max Rated Output TIG250A
Max Rated Output STICK200A
Open Circuit Voltage 70V Stick - 90V TIG
ClassIP23S
Duty-Cycle (TIG) @104F @240Volt

20% @ 250A

60% @ 160A

100% @ 130A

Duty-Cycle (Stick) @104F @240Volt

25% @ 200A

60% @ 140A

100% @ 120A

Duty-Cycle (TIG) @104F @120Volt(20amp)

40% @ 150A

60% @ 120A

100% @ 110A

Duty-Cycle (Stick) @104F @120Volt(20amp)

40% @ 110A

60% @ 90A

100% @ 75A

Welding Modes

Stick
TIG 2T (Pedal/Slider)

TIG 2T
TIG 4T
TIG Spot
CAC - A (Gouging)

  
Tig ProcessAC, DC, AC Mix
TIG AC ProcessAC, AC Mix, Pulse
TIG DC ProcessStandard, Pulse, Soft Pulse, Double Pulse, Dynamic Power
AC MixYes
AC Mix (DC percentage)10 to 90%
Asymmetric ArcYes
EN Amperage (%)10 to 100%
EP Amperage (%)10 to 100%
AC Frequency (Hz) 2-100A20 to 400Hz
AC Frequency (Hz) 101-250A20 to 200Hz
AC Balance (%)10 to 90%
AC Wave FormsSquare, Triangle, Sine
AC Wave Forms mix and matchYes, All
AC Zero Crossing Current20 - 80A or AUTO
  
Spot ProcessStandard, Fast-Tack
Spot Time ON (Seconds)0.01 to 10.0s
Spot Time OFF (Seconds)0.01 to 10.0s
  
Stick ProcessManual, Easy-SET, DC pulse, DC Soft Pulse, AC Standard
Pulse StickYes
Stick Electrode SelectionYes
Stick Hot Start (%)0 to 50%
Stick Hot Start Time (seconds)0 to 2.5s
Stick Arc Force (%)0 to 500%
Stick DC PolarityReverse (DCEP) – Straight (DCEN)
  
General Tig Settings 
Pre-Flow (seconds)0.1 to 25s
Post-Flow (seconds)0.1 to 50s
Initial Amps (%)10 to 90%
Initial Amps Time (seconds)0 to 25s
Final Amps (%)10 to 90%
Final Amps Time (seconds)0 to 25s
Slope Up (seconds)0.1 to 10.0s
Slope Down (seconds)0.1 to 10.0s
Tig Minimum Amp Regulation1 to 100A
Tig Hot Start5 to 100A or AUTO
Tig Tungsten SelectionYes, .040”, 1/16", 3/32", 1/8"
Tig Arc StartingHF, Lift, Lift Pipe, Pipe Lift Smart
  
Pulse Parameters 
Stick Pulse Frequency (PPS)0.4 to 5.0
Stick Pulse peak time (%)10 to 90%
Stick Pulse Background Amps (%)10 to 90%
Pulses/Second (PPS) TIG AC0.4 to 20.0
Pulses/Second (PPS) TIG DC0.4 to 1000
Peak Time (%)10 to 90%
Background Amps (%)10 to 90%
  
Automatic Polarity ReversalYes
Programmable Memories8
Cooling (On Demand)Fan Variable Speed (Forced Air) 
Dimensions (Length x Width x Height)19-3/4" x 10" x 15-1/2"
Weight (Lbs.)54 Lbs.

 

Downloads/Manuals

  Owner’s Manual

The HTP® Invertig™ 251 DV AC/DC - Miller® (Dual Voltage 110/220) Accessory Packages:

THE STANDARD INVERTIG 251 AC/DC DUAL VOLTAGE AIR-COOLED PACKAGE INCLUDES THE FOLLOWING ITEMS:

♦ INVERTIG™ 251 DV AC/DC POWER SOURCE
♦ 12.5' 26 Series Heavy Hitter AIR-COOLED TIG TORCH
♦ 12.5' FOOT PEDAL
♦ Victor FLOWMETER
♦ GAS HOSE
♦ 10' GROUND CABLE AND CLAMP ASSEMBLY*

*UPGRADE OPTIONS ARE AVAILABLE VIA THE DROP DOWN BOXES ABOVE FOR AN ADDITIONAL CHARGE.


CA Prop 65 - For Residents of California
Warning: Welding and cutting equipment, accessories, and fumes can expose you to chemicals, including Chromium (Hexavalent Compounds), Lead, and Nickel, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.

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