Pulmonary function testing

Obtain a full range of diagnostic equipment and services

With our pulmonary function testing solutions, you can purchase a fully configured laboratory, or begin with basic spirometry and later expand to complete PFT testing capabilities.

Adult, infant and pediatric complete PFT

Our full PFT systems and other instruments help determine lung volumes, diffusion capacity, airway resistance and various other measurements.


The MicroRPM provides inspiratory and expiratory mouth pressure (MIP/MEP) measurements and sniff nasal pressures (SNIP) in one instrument.

Peak flow meter and e-Diary

The peak flow meter and e-Diary let patients self-assess PEF and report patient-reported outcomes to help manage and treat asthma and COPD.

PFT accessories

We offer PFT accessories including our mouthpiece for optimal tongue positioning and validated filter for bacterial and viral filtration.

PFT software applications

Our PFT software applications streamline and enhance pulmonary function testing, improving productivity.

Professional services

We provide high-end IT-related professional services for lung function testing, metabolic testing and sleep diagnostics products.

Smoking cessation

Our smoking cessation products help you easily monitor carbon monoxide by hand.


We offer a broad range of PC-based and handheld spirometers, and spirometry software for both clinical and research needs.

Vyntus WALK

The Vyntus WALK lets patients take a six-minute walk test (6MWT) wearing wireless sensors that communicate data to a tablet PC.

Browse all pulmonary function testing products

You can view all of our PFT products, and search by different selections and criteria.

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Pulmonary Function
Testing Resource

Our wide range of resources can help you understand, use and optimize our products.


User guides


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2017 ATS/ERS DLCO Guidelines: What’s new and why you should care

This webinar reviews the foundation of diffusion capacity testing, its clinical application, updated guidelines and how the measurement impacts doctor decision making.