Intent 

• Nitrox Gas Blender

• Trimix Gas Blender

Minimum Instructor Rating 

Student Prerequisites 

• Minimum age | 18 years old.

Duration 

• Recommended hours for completion | 6-8.

Minimum Equipment 

• Access to a blending station with gases capable of producing nitrox blends.

• Access to a partial pressure blending station.

• Gas analyzer(s) suitable for blends up to 100% oxygen and a helium analyzer if producing any helium-based trimix blends.

Requirements For Completion 

Nitrox Gas Blender 

• Complete Academic Sessions 1-5 and assessments as outlined in the instructor manual for Gas Blender.

• Complete a Nitrox Gas Blender final exam.

• Complete Practical Application Sessions 1 and 2 as outlined in the instructor manual for Gas Blender.

Trimix Gas Blender 

• Complete all academic sessions and assessments as outlined in the instructor manual for Gas Blender.

• Complete a Trimix Gas Blender final exam.

• Complete Practical Application Sessions 1 through 4 as outlined in the instructor manual for Gas Blender.

Sequence 

• Academic sessions must be completed prior to conducting the practical application sessions.

• For Trimix Gas Blender students, the requirements for Nitrox Gas Blender must be completed before conducting the trimix practical application sessions.

Certification 

• Nitrox Gas Blender certification entitles the holder to blend nitrox-based gases.

• Trimix Gas Blender certification entitles the holder to blend nitrox- and helium-based trimix gases.