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NObreath® FeNO Device by Bedfont® Scientific Ltd.

The NObreath® is a FeNO device which can be used to measure airway inflammation for the management and diagnosis of asthma.

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NObreath monitor head on

NObreath® FeNO Device by Bedfont Scientific Ltd.

The NObreath is a FeNO device which can be used to measure airway inflammation for the management and diagnosis of asthma.

View ProductContact Us

 Cleared by FDA

Conforms to ERS/ATS Guidelines

Conforms to NICE/BTS/SIGN Guidelines

NObreath® Features

Evidence-based design. Proven performance.

NObreath® delivers accurate, reliable FeNO testing you can trust NObreath®

Fully conforms to ATS/ERS Standards

NObreath follows ATS/ERS FeNO measurement methodology, including controlled flow (50 mL/s) and plateau analysis.

Controls ambient NO

NObreath minimises ambient NO interference through our TrueFlo® technology and as recommended in the ATS/ERS standards, see more: nobreathfeno.com/measuring-feno-with-the-nobreath

Service flexibility for long-term use and reliability

Factory calibration, annual service support, or simply change the sensor yourself, meaning no clinical downtime. This ensures accuracy and peace of mind for years to come, protecting your capital investment.

Child-friendly testing

Designed for all ages with a ~10 second exhalation for children, plus clear on-screen instructions and audible cues.

Ergonomic device and mouthpiece

Designed for comfortable handling, easy to use and optimal patient experience. In fact, NObreath has been proven to have the highest usability score among its peers.1

High efficiency filtration

Advanced mouthpiece filters >99% of bacteria and >98% of viruses.

Operating temperature

Operates reliably in ambient temperatures from 15°C to 30°C.

Clear audio and visual guidance

On-screen prompts and audible cues guide patients through each step.

Dedicated support

Backed by Bedfont's global technical support and distributor network.

Reliable and portable

With approximately 100 tests on a full charge, NObreath is designed for portable battery operation, with optional mains power support for extended clinical testing sessions.

Widely used in clinical research

NObreath® is CE Marked, FDA 510(k) cleared and trusted by healthcare professionals worldwide.
Designed to deliver accuracy, usability, and confidence in every test.

1. https://www.nature.com/articles/s41598-025-92664-8

Practitioners - Healthcare professionals

Our FREE Patient Management Software

FeNOchart™ is a free, patient management for use with the NObreath® FeNO (Fractional Exhaled Nitric Oxide) device. The software is used as an aid for healthcare professionals to record patient FeNO results.
Read more

The Bedfont® Mission and Vision

Our Mission

Our mission is to work with the Bedfont Family and healthcare professionals worldwide to provide cutting-edge breath analysis medical products to the highest standard, through technical innovation and professional business practice.

Our Vision

The Bedfont vision is a world where everyone has access to instant, non-invasive, simple breath testing to aid in medical diagnosis.

Our family, innovating health, for yours.

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