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TDI Nitrox Gas Blender 



Complete the form below and a qualified staff member will contact you directly to discuss your experience and enroll you in our available class schedule.

When are classes?

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Air Fill Station Operator or Equivalent.  Minimum age: 18 years old

Learn techniques to make Enriched Air Nitrox

"Good Divers Never Stop Learning"


Who this course is for:

Whether you’re a dive shop employee wanting to learn the proper procedures for nitrox gas blending or a diver interested in the process of nitrox blending procedures, this course will give you an in-depth, behind the scenes perspective on how your cylinder goes from empty to full of nitrox.

What you can expect to learn:

The TDI Nitrox Gas Blender Course takes an in-depth look at all of the following and more!

The responsibility of the Gas Blender
Gases of diving


Oxygen handling

Oxygen hazards
Causes and prevention of oxygen fire
Oxygen system design
Local regulations for gas blending and handling

Gas production equipment

Filtration systems
Analog gauges

Mixing techniques

General considerations
Continuous blending systems
De-nitrogenated air systems
Pre-mix system
Partial pressure blending mathematics

Oxygen analysis

Oxygen analyzers

Cylinder handling and sign out

What’s in it for you?

Upon successful completion of this course, graduates may engage in the blending of nitrox gasses, without direct supervision of an instructor.

TDI Nitrox Gas Blender minimum certification requirements:

Satisfactorily complete the TDI Nitrox Gas Blender course written examination with an 80% passing grade, followed by 100% remediation by the Instructor
Candidates must successfully blend and analyze 5 nitrox cylinders
Demonstrate understanding of nitrox blending and oxygen analysis