What does the term 'blender' refer to in the context of Nitrox certification?

In the context of Nitrox certification, the term 'blender' specifically refers to an individual who is qualified to create Nitrox, which is a specialized gas mixture used in scuba diving. A blender must have the proper training and understanding of gas mixing principles, including oxygen limits, and the implications of various gas mixes for diving. This process involves precise calculations and techniques to ensure safety and efficiency in preparing Nitrox for diving use.

While there are machines designed for mixing gases, and individuals who may fill scuba cylinders with air, these definitions do not encompass the full role and responsibility of a blender in the Nitrox context. A blender's qualifications and expertise are paramount in ensuring that the gas mix is correctly formulated for Safe diving practices, thereby highlighting the importance of this role in the diving community.