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EasyOne Pro® Portable DLCO, Lung Volumes and Spirometry provides the most efficient and accurate way to test lung function in any setting. Engineered using our patented TrueFlow™ and TrueCheck™ technology, the EasyOne Pro® eliminates all common sources of error, saves time and gives your patients the best pulmonary care in your practice or lung function lab. 

The EasyOne Pro® is both patient-friendly and easy to maintain. Simply switch on the device and begin testing immediately. Medical professionals can perform annual maintenance themselves in only 10 minutes.


  • Calibration-free TrueFlow™ Technology 

Extremely robust and accurate flow results are delivered without the need for calibration thanks to our TrueFlow™ technology. Spend more time on patient care. TrueCheck™ ensures that each DLCO trial is accurate and validated without calibration and warm-up time.


  • Compact & Lightweight Design 

Weighing only 18 lbs. (9kg), the EasyOne Pro® is compact & durable – without compromising quality. It easily fits in any office setting.

  • Flexible Use, Consistent Results

EasyOne® Air can be used as a portable or as a PC spirometer. It delivers consistent results regardless of setting or environmental factors.

  • Calibration-free TrueFlow™ Technology

Utilizing high-quality components and Swiss precision-engineering, TrueFlow™ delivers robust and reliable testing results without needing calibration.

  • Color Touch Screen

View real-time graphs, quickly enter patient data and easily navigate with the high resolution color touch screen in the EasyOne® Air.

  • Bluetooth and EMR Connectivity

Easily connect to PC for real-time patient incentives, data exchange and EMR connectivity




NDD EasyOne Pro

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