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


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.
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 StandardsNObreath follows ATS/ERS FeNO measurement methodology, including controlled flow (50 mL/s) and plateau analysis. |
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Controls ambient NONObreath 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 |
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Service flexibility for long-term use and reliabilityFactory 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. |
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Child-friendly testingDesigned for all ages with a ~10 second exhalation for children, plus clear on-screen instructions and audible cues. |
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Ergonomic device and mouthpieceDesigned 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 |
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High efficiency filtrationAdvanced mouthpiece filters >99% of bacteria and >98% of viruses. |
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Operating temperatureOperates reliably in ambient temperatures from 15°C to 30°C. |
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Clear audio and visual guidanceOn-screen prompts and audible cues guide patients through each step. |
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Dedicated supportBacked by Bedfont's global technical support and distributor network. |
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Reliable and portableWith approximately 100 tests on a full charge, NObreath is designed for portable battery operation, with optional mains power support for extended clinical testing sessions. |
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Widely used in clinical researchNObreath® is CE Marked, FDA 510(k) cleared and trusted by healthcare professionals worldwide. |
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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.



