What you need to consider before buying a hydrogen generator

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No doubt, hydrogen is one of the most critical energy carriers used in various industry sectors. Hydrogen is used in most commercial applications, such as welding metal, making electronics, and dying fabrics. Hydrogen also has many uses in the laboratory. 

However, hydrogen produced by an on-site hydrogen generator is perhaps the cost-effective and safest than the pressurized cylinders. This post explains what you need to consider before buying a hydrogen generator.

Key factors to consider when purchasing a hydrogen generator 

If you decide to switch from using pressurized cylinders to utilizing an on-site hydrogen generator, you need to consider several factors. This can help you choose the correct hydrogen generator for your application. You can learn about hydrogen generators before you decide to select the model that meets your needs.

Keep in mind that the hydrogen generator model may depend on various factors, such as whether you want to use hydrogen as fuel gas or carrier gas. It also depends on the type of flow rate you need. Here are a few things that you need to consider:


A good starting point should be to consider the purity requirements needed for your application. So if you desire to utilize hydrogen as a gas carrier, you may need to have a high purity hydrogen generator. However, if you want to use hydrogen as a fuel gas for your applications, then you don’t need to have the high purity hydrogen generator 

Flow rate

Flow rate is another factor determining the type of hydrogen generator you may need to buy, especially if you intend to use hydrogen as a carrier gas. Therefore, you need to check the total hydrogen demand for your instrument at peak consumption. 

When you know the maximum hydrogen flow demand for your instruments, you can calculate the total flow rate. You need to add all the values together to get the flow rate.


In most cases, some applications may not require a lot of pressure. But if your instrument or application is far away from your hydrogen generator, then you may have to think about the pressure requirements. This is especially true in times when there is a drop in pressure through the tubing.


By now you may be wondering if hydrogen generators are hard to maintain or not. Well, hydrogen generators differ from cylinders which require to be maintained regularly. Simply put, hydrogen generators require little maintenance, and you can do everything in the lab. What you need is just refilling the deionized water reservoir at least once each week. 

On-site hydrogen generators have become a favorite way of supplying hydrogen for many companies. Even better, it’s safe to use these hydrogen generators and companies can now produce hydrogen gas on-site. There is no need to rely on third parties for your gas supply, meaning you can reduce costs. 

It’s important to remember that you can find different types of hydrogen generators. Therefore, make sure that you choose the generator that suits your requirements.

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