
More and more people are diving with enriched air and this means the demand for nitrox fills is also
increasing.
However, there needs to be someone qualified to administer these fills to meet this demand.
This is where the DSAT Gas Blender course comes in. It can result in one of two certifications:
DSAT Gas Blender or DSAT Trimix Blender.
The DSAT Gas Blender course will train you as a qualified gas blender, allowing you to provide
gas mixes to appropriately certified consumers. You'll learn the physical properties of oxygen,
its associated hazards, handling requirements and what cleaning equipment is necessary.
Finally, you will learn the five methods of obtaining the desired enriched air nitrox mix and the
various methods used to obtain proper helium mixes.
What are the four main types of oxygen? What is oxygen clean? What are the five methods for
blending Enriched Air? These questions and more are covered in the DSAT Gas Blender manual
As a gas blender you must be familiar with the physical properties of oxygen, its various forms
and purities, hazards and special handling requirements. The DSAT Gas Blender Manual and
CD‐ROM, in conjunction with your instructor, will familiarize you with the procedures and
techniques needed for gas blending.
Prerequisites:
To become a DSAT Gasblender, you must be:
• A PADI Enriched Air Diver (or qualifying nitrox certification from another organization)
• At least 18 years old

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