Smart Peak Flow

Asthma Control in Your Pocket

Smart Peak Flow is a compact, low-cost, digital peak expiratory flow meter (PEFM) that connects to any Android and iOS smartphones via the audio jack port. Using the Smart Peak Flow app, users can take and record their peak flow measurement in the comfort of their own home and share the results with their healtcare professional.

The smartphone enabled device is designed to be used as a self-monitoring tool for those with a respiratory condition (asthma).

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The Gold Standard in home asthma management

Peak flow monitoring is recognized as the gold standard in asthma management. Keeping accurate peak flow records manually has proven be difficult, if not impossible. With Smart Peak Flow’s automatic recording and visual charting, users and healthcare professionals can finally say goodbye to unreliable data and paper charts.

Smart Peak Flow has simplified asthma home care by bringing it directly into the hands of patients across the world. Using exactly the same technology as a diagnostic spirometer, the small device guarantees more accurate peak flow measurements than mechanical peak flow meters.

Smart technology that fits in the palm of your hand

While the ergonomic and light-weight design makes Smart Peak Flow comfortable to hold and easy to carry around, the user-friendly interface of the app makes it remarkably easy and intuitive to use. The device does not even require batteries to operate.

The app will ask the user to perform three blows and will save the highest of the three values as the result. After the test is complete, the user is able to manually save notes about their symptoms. Test results are then shown in a Track view, where users can get an excellent overview of the progress of their condition.

The SPF App 

Available for both iPhones and Android phones, the app will Remind, Measure, Chart and Share your peak flow data.

The biggest challenge with asthma control is how to stick with it day in, day out. To help you stick with the program and keep on top of your condition the Smart Peak Flow app will introduce a bit of fun and give you challenges and rewards.


Device category Digital peak expiratory flow meter (PEFM)
Measurement principle Light interruption
Applicable source of light Volfram-, halogen-, LED and natural light
Required strength of illuminance Min. 100 lux
Communication interface 3.5 mm audio jack
Power source Connected smartphone’s battery
Voltage supply Max. 5V DC
Measurement range 80-600 L/min
Accuracy ± 10%
Dimensions Turbine: 54x32x39mm │ Mouthpiece: 39x33x33mm
IP protection level IP21
Operating conditions Temperature: min. 0° C, max. 50° C Humidity: min. 10% RH; max. 95% RH
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