Hobart 500551 TIG Welder Review

When talking about reliable and versatile TIG welder tool, the Hobart 500551 EZ is on top of the list. It is a dual voltage TIG that gives outstanding weld performance making it ideal for shops, metal art and even fabrication usage. It is also recommended for the home hobbyist as well as those who are just starting to learn how to weld.

It is a lightweight TIG welder machine only weighing 50 pounds and is inverted based. The package of this unit comes with a foot control device for ease of use. This particular model comes with a single button for control that allows you to set-up and uses the power source without any issues.

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230V inverted based AC/DC Welder

The Hobart 500551 EZ is a comprehensive 230V AC/DC welder that provides a convenient single-knob control that it why it is considered to be the easiest machine to use and setup. Its knob lets you choose the thickness and voltage when using either AC or DC.

AC setting is usually used for softer and thinner materials like magnesium or aluminum welding. On the other hand, DC setting provides an outstanding TIG welding capability for stainless steel, chromoly and other materials.

As for the inverter, it helps make the machine lightweight and portable. Machines which use inverter are also known to be very proficient and can run up to 140 amps on a 13 amp 240v source.

Easy to Use Interface

This may seem a very trivial feature but people who are new in welding can benefit a lot from this. The Hobart 500551 EZ only has one button and because of this, it is labeled as the easiest and quickest AC/DC TIG welder. All you need to do is plug it into a 230 VAC, attach the gas, choose the thickness and the material then you are ready to start.

Hobart 500551 Products and Specifications

  • Easy to use interface that has one button and one switch control
  • DC output suitable for mild and stainless steel, the AC output is suitable for high quality aluminum weld.
  • Infinite amperage control to create a wider scope with better control.
  • Fan-on-Demand which is activated when needed to lessen debris or dust being drawn into the machine.
  • Weighs 50 pounds
  • The inverter-based power source to give a steadier welding arc while using less power.
  • Programmed high-temperature shutdown
  • Auto-post flow for optimal shielding based depending on the welding amperage minus unwanted or required adjustment.
  • HF start allowing elimination of tungsten and material contamination during non-contact arc start.
  • Dimensions: 17” H x 9 7/8” W x 23 7/8” D
  • Rated output: AC-230V:21A DC-230V:23A

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Hobart 500551 EZ Reviews

An 8 out of 10 editorial rating is given to Hobart 500551 EZ because of its superb performance and the satisfaction that it provides to its users. You will completely forget about the noise especially when you know that this fan is responsible for the long life of your machine.

The fan on demand feature turns on when it detects the presence of dust and debris. Thus, this feature keeps the unit in the best possible condition.

One hobbyist said that he bought this welder to do minor projects at home and he said that his machine is a steal because it is packed with features and it’s cheaper than most TIG welder brands he found in the market. The user was glad because the package came with a pedal, regulator, ground strap and torch.

Other users noted that everything they need is already in the package, even the tungsten in the torch so they can already start working immediately. According to them, for regular welding activities they only use 165 amps and rarely go up to over 130 amps. Users say that the Hobart 500551 EZ is more than adequate for a regular fabricator.

Things to Improve

One issue that a customer pointed out is that the fan can be noisier compared to other TIG welder brands. But other than that, the machine works great.

Both professionals and hobbyist will enjoy using this machine because it is not just a reliable tool but also multipurpose. This TIG produces a superior weld performance which makes it great for various types of jobs like fabrication and the like.


The Hobart 500551 EZ is a thorough 230V AC/DC welding set that offers a one-of-a kind button control for quick and easy setup of the machine. Its control panel is intended to be intuitive and all its sets are labeled, preventing any errors while working on a project.

This unit is designed to cater the needs of both newbies and experts who are looking to start in the industry. With the AC/ DC output availability, you have the option to work with stainless steel and other mild materials when switching to DC. With output, you can work with aluminum welds.

You can learn about other products by checking TIG welder reviews here.

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