This website is for healthcare professionals - NIOX PRO® is available in the following countries.

Which device do I have?

Learn to replace your NIOX® Sensor for accurate FeNO testing

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So, which NIOX® device do you have?

To access the correct support page for your device it's important to know which device you have - either NIOX PRO® or NIOX VERO® - as support will differ for each device.

To know which device you have, you can simply check the back label of your device, which will state whether the device you own is the NIOX VERO® or the next-generation NIOX PRO®.

NIOX PRO®

NIOX PRO® was released in 2025, so if you received your NIOX® device from mid-2026 onwards, you likely have the next generation NIOX® device - NIOX PRO®. Visually, this features a mounted carry handle on the top, a larger screen, and breathing handle that sits in the breathing handle holder on the right side of your device.

Access NIOX PRO® support

NIOX VERO®

NIOX PRO® was released in 2025, so if you received your NIOX® device from mid-2026 onwards, you likely have the next generation NIOX® device - NIOX PRO®. Visually, this features a mounted carry handle on the top, a larger screen, and breathing handle that sits in the breathing handle holder on the right side of your device.

Access NIOX PRO® support

If you would like to learn the differences between the two devices, you can access the White Paper here.

Still need help?

Contact NIOX® customer services today to get assistance.

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Discover FeNO Testing

Learn about FeNO with our free app

Why NIOX®

Explore the Gold Standard device*

Understand FeNO Scores

Use our interpreting FeNO calculator

* NIOX®. Data on File; MKT-DOF-007. 2024.

NIOX® Customer Support and Training

At NIOX® we are passionate about providing excellent support and training.

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