Why Use H2 Fuel for LFL Analyzers?

There are technologies available that will measure % LFL levels that require no fuel. On a first approach this may seem like a nice solution, as there are no utilities needed and the safety requirements don’t have to be considered. So, why is it important to use a fueled analyzer when measuring gas concentrations?

Here are some reasons to consider:

1. Put the “flame” back in Flammability - How can you be sure you're truly getting an accurate representation of flammability if you're not using a direct measurement? Optics and calculations can never replace a true flame-based measurement for real-time, dynamic measurements of a process. 
2. Hydrogen is a pure fuel that does not distort readings and allows for challenging samples to be measured with a robust flame (i.e. low oxygen concentrations, high temperature operations) 
3. H2 is a relatively safe fuel, easily accessible, relatively inexpensive, with no environmental impacts.