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🌬️ Breathe Better, Live Smarter — Your Personal Lung Health Tracker
The Digital Peak Flow Meter by Nascool is a compact, highly accurate spirometer designed for home use by adults and children over 6. Featuring a pressure differential sensor that meets ATS ERS WRIGHT standards, it delivers reliable PEF and FEV1 measurements without calibration. Its portable design is easy to clean and perfect for travel. The included asthma diary app supports manual symptom and medication tracking, empowering users to manage respiratory health proactively.





| Best Sellers Rank | #3,467 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Flowmeters |
| Customer Reviews | 4.3 out of 5 stars 627 Reviews |
A**R
Just a good peak flow meter
Works fine
W**D
Great compact device!
As a respiratory therapist, I've used a number of peak flow meters- this one is amazing and great for home use. Small, easy to use and no moving parts. It's easily cleaned and stored, with an easy to read screen. Perfect for travel and carrying to work or school.
S**6
Meter works great, easy to use.
The instructions are clear, and a tracking chart is included. You are encouraged to use the QR code on the instructions for a calculation of the range of readings to expect, but you have to register with a credit card and there is a $59.99 per month fee. Otherwise, I would have given a 5 star rating.
D**Y
Easy & accurate.
Easy to set up and appears accurate.
C**M
Great value
Seems to work well, great value.
B**R
It works pretty well
It works pretty well for the most part, but sometimes it doesn’t save the results and you have to redo it.
P**O
Excelente Compra, lo recomiendo 100%
Lo Compré porque es más fácil de utilizar para mi Madre de 87 años y tiene una condición pulmonar y hay que darle terapias. Yo había comprado uno en una Farmacia que resultó ser un poco difícil y dificultoso para ella y este es completamente muy manejable para ella y también para poder guardar sus resultados. Cómodo, Práctico, Útil, Buen Precio y Eficaz. Llegó super a tiempo.
J**F
Digital Peak flow meter
This will not sync with the app on my phone. I have to manually add the information. Otherwise, it's good.
A**A
device wrong results
i have bought this device for my son he has asthma,It is showing always wrong results and i have tried so many times to connect to my phone but cannot find my phone.... i dont know i think its a waste of money and time i will try to return this device
Trustpilot
2 days ago
1 month ago