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Details about  HTP Invertig 221 220 Amp Inverter AC DC TIG Welder Weld

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HTP Invertig 221 220 Amp Inverter AC DC TIG Welder Weld
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Item condition:
Dec 16, 2013
US $2,595.00
$49.76 Standard Shipping | See details
Item location:
Elk Grove Village, Illinois, United States

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Last updated on  Dec 05, 2013 12:36:14 PST  View all revisions

Item specifics

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition


Power Source: 208/240V Electric Multi-Process: Yes
Current: 1 Phase Processes: Arc, Stick, TIG

When we introduced our first 200 amp AC/DC inverter machine 10 years ago, we were up against some major competitors.  However, the market readily accepted the tough line of HTP Invertig welders.  Fast forward to today – HTP introduces our third generation of AC/DC inverter machines, the HTP Invertig 221! 

HTP continues to set new standards in AC/DC Inverter Welders with the Invertig 221.  We have increased the maximum welding current by 10% to a full 220 amps of rugged welding power.  And we put the machine on a diet, the HTP Invertig 221 weighs in at only 40 lbs, so it’s easy to take right to the job! 

The Invertig 221 is packed with features many of our competitors don’t even offer at twice the price!  It’s the only welder in its class with independent AC amperage adjustment.   This feature gives you precise control over the heat input to both the workpiece and the tungsten by allowing you to separately adjust the electrode negative and electrode positive amperage.

Conventional transformer TIG welders have a fixed AC frequency of 60 Hz (same as your household current).   They use a pure tungsten electrode which forms a ball when welding AC. The Invertig 221 offers you the ability to adjust the AC frequency from 20 Hz to 200 Hz – the higher AC frequency gives you a more focused arc with greater arc control.  With an inverter, running a higher AC frequency, say in the 150 Hz to 200 Hz range allows you to use ceriated, lanthanated, or thoriated tungsten sharpened to a point. This:

• Allows the arc to jump from a point instead of a ball which provides unparalleled arc stability and reduces "arc wandering".
• Produces a more focused arc, resulting in a narrower bead and making it much easier to weld inside corners.
• Minimizes the heat affected zone as the heat is more concentrated, making it easier for both the novice and professional to weld thin materials.

The 221 also gives you precise control over the AC balance (from 10% to 90%) so you can control the arc cleaning action. 

The 221 is also an excellent DC welder too.  The smooth, stable arc coupled with the 221’s high speed pulse DC pulse make intricate work on mild steel, 4130, stainless, inconel and titanium a breeze.  High speed DC pulse focuses the DC arc much like the AC balance focuses the AC Arc – the end result – more control and less arc wandering.  With a pulse rate of up to 999pps, there isn’t a job out there the 221 can’t handle.

Let’s face it, control of the arc is the foundation to better welds and precision results.  With the 221’s independent AC amperage adjustment, adjustable AC frequency, adjustable AC balance, and high speed DC pulse, the 221 gives you arc control like you have never before experienced.

The  221 allows you to store up to 64 separate welding programs.  So, say you found a setting you really like for welding aluminum radiator tanks to cores.  AC – On, HF – On,  Max Current = 180 amps,  AC Balance = 65%, AC Frequency = 180 Hz, EP = 60%, Pulse Freq 1 Hz, Peak Time 80%,  Background Current 30%.  Simply store this program and you can come back to it when you have another tank to core job.  Assigning banks of memory slots to multiple welders allows them to access their personal settings in a job shop environment.

Conventional are welding is really simple with the Invertig 221. Using the stick mode in conjunction with the foot pedal, allows you to vary the welding amperage. Perfect when doing pipe welding!

Select the touch start mode for welding aluminum or any other material without High Frequency. This is important if your application takes you near sensitive electronic equipment, such as on site repairs in a hospital or repairing aluminum vehicles with on-board computers

This package of power weighs just 40 lbs and fits into a cabinet measuring 19 ¾” long by 7 ½” wide by 15 ¾”" high. The machine comes standard with a 12 ½' long 17 Series air-cooled TIG torch, a 12 ½’ foot pedal, flowmeter and 70 minute TIG DVD.

The advanced technology found in the Invertig 221 will allow you to produce professional quality welds in all types of metal – quickly, easily and affordably.  And every Invertig 221 comes with our 90 day money back guarantee – we are so sure you will love your Invertig 221 that you can try it in your own shop for 90 days – if for any reason you don’t like it we will take it back, no questions asked.  And we further back the machine with a 3 year warranty. 


HTP Lincoln  Miller
  Invertig 221 V205-T 200DX
Input Power 220 V 36 Amps 115 volts 34 amps 115 volts 31 amps
    220 volts 30 amps 220 volts 35 Amps
AC Balance 10% to 90% 35% to 85% 30% to 90%
AC Frequency 20 to 200 Hz 20 to 150 Hz 20 to 250 Hz
Independent Yes No No
AC Amp Adjustment    
Duty Cycle 20% @ 220 Amps 40% @ 200 Amps 20% @ 200 Amps
Dimensions 7 1/2" W x 16" H x 20" L 7" W x 11 1/2" H x 17" L 7 9/16" W x 13 3/8" H x 21" L
Weight 40 lbs 35 lbs 48 1/2 lbs
Output Current Range 4 - 220 amps 6 - 200 amps 1 to 200 amps
(Max 170 Amps over 
85 Hz AC Frequency)


Included with the Invertig 221 is our TIG welding DVD, Welcome to the world of Tig Welding.  This is a 70 minute DVD that gives you a through the helmet view of TIG welding.  If you want to purchase the DVD before you buy the machine, the price of the DVD is refundable towards the purchase of the 221.  Go to our E-bay store to purchase the DVD.  :


The machine also comes complete with a 12 ½ ft 17 series Tig torch with a super-flex cable, Foot Pedal with a 12 ½ ft cable, 10 ft ground clamp, flow meter, and gas hose. 


So, if you are looking for a high quality, feature packed welder, look no further than the Invertig 221.  If you have any questions on the invertig 221, please call us at 1-800-USA-WELD or send us an e-mail. 


Please note:  when contacting us with any questions by e-mail, DO NOT HIDE YOUR E-MAIL ADDRESS.  We respond to all e-mails through our e-mail system, not E-bay’s my message system.  We process too many e-mails to log in to E-bay and respond though their message system.  Thank you in advance for your cooperation.



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