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.



Course prerequisites

(these requirements must be met prior to commencement of training):

  • Minimum age 18



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

    • Air

    • Oxygen

    • Nitrogen

  • Oxygen handling

    • Oxygen hazards

    • Causes and prevention of oxygen fire

    • Oxygen system design

    • Local regulations for gas blending and handling

  • Gas production equipment

    • Compressors

    • Cylinders

    • Filtration systems

    • Analog gauges

  • Mixing techniques

    • General considerations

    • Continuous blending systems

    • De-nitrogenated air systems

    • Pre-mix system

    • Partial pressure blending mathematics

  • Oxygen analysis

    • Procedures

    • 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


What it includes: 

  • All gas needed for the course

  • All training materials required for the course

  • Certification Fees 


Duration: 2 Days
Cost: $399
Combine this course with:
TDI Sidemount
Oxygen Service Technician
Add: $199
Save $100
Add: $350
Save $199
Add: $249
Save $150

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