Helium analyzer

Analysing a trimix blend using a portable helium analyzer
Principle of the thermal conductivity gas analyzer
Continuous flow oxygen and helium analyser monitoring blended breathing gas for diving

A Helium analyzer is an instrument used to identify the presence and concentration of helium in a mixture of gases. In Technical diving where breathing gas mixtures known as Trimix comprising oxygen, helium and nitrogen are used, it is necessary to know the fraction of helium in the mixture to reliably calculate decompression schedules for dives using that mixture.


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