Why do the test values vary significantly?

Usage methods and physical conditions can affect the results. Airflow blockage may cause PEF deviations. 1. Not inhaling deeply or exhaling forcefully and correctly 2. Respiratory muscle fatigue 3. Leakage from the mouth or nose

How to avoid noticeable deviation test value among each tests?

1. Stand or sit upright before testing. 2. Take a deep breath in 3. Exhale forcefully and as quickly as possible 4. Seal the mouthpiece tightly 5. Take a short break between tests to avoid fatigue and ensure accurate results

Why can't l connect to Bluetooth?

This item not with bluetooth function, app for manually recrod on it

Why there is no arrow to indicate red, yellow and green areas?

Please check if you have set the expected PEF value. No arrow will be displayed on the device without properly setting the expected value. Suggestion: If you don't know how to set the expected value, please follow the instruction.

If the device can't display the values properly/ shows E1

Please restart the peak flow to have a try. If you still have any problem please get in touch with us

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Sonmol Digital Peak Flow Meter Spirometer Asthma for Adult Kids Portable PEF Forced Expiratory Volume FEV1 Home Medical

Product ID: 376110138

Details

Brand
Sonmol
Item dimensions L x W x H
50 x 63 x 160
Item weight
52 g
Product benefits
high accuracy
Specific uses for product
Asthma

👜52g ultra-portable design

📊±3% volume accuracy

📱PEF & FEV1 data tracking app

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VT34178

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Breathe Better, Live Smarter — Your Lung Health, In Your Hands

DUAL PARAMETER TRACKING - Measures both Peak Expiratory Flow (PEF) and Forced Expiratory Volume (FEV1) for comprehensive respiratory insights.
PRECISION YOU CAN TRUST - Differential pressure sensor ensures ±3% volume accuracy for reliable lung function monitoring.
POCKET SIZED PORTABILITY - Lightweight 52g design fits discreetly in your bag or pocket—test your lungs anytime, anywhere.
SEAMLESS DATA MANAGEMENT - Compatible with PEF app to log, track, and share your lung health progress effortlessly.
FAMILY FRIENDLY VERSATILE - Ideal for adults and kids with asthma, COPD, or smokers seeking proactive respiratory care.

The Sonmol Digital Peak Flow Meter SMPF-1 is a high-precision spirometer designed for adults and kids to monitor lung function at home. Featuring a differential pressure sensor with ±3% volume accuracy, it measures key respiratory parameters PEF and FEV1. Its lightweight, compact design (52g) ensures portability, while the clear LCD display and compatible PEF app enable easy tracking and management of asthma and COPD symptoms. Trusted by thousands, it empowers proactive respiratory health management anytime, anywhere.

Specifications

ASIN	B088R59HMQ
ASIN	B088R59HMQ
Additional Features	Targeted
Age Range Description	Adult; Kid
Brand Name	Sonmol
Customer Reviews	4.2 4.2 out of 5 stars (30)
Customer reviews	4.2 4.2 out of 5 stars (30)
Item Dimensions	50 x 63 x 160 millimeters
Item Weight	0.11 Pounds
Item model number	SMPF-3C
Manufacturer	Sonmol
Manufacturer	Sonmol
Manufacturer Part Number	1
Material Type Free	en_AE
Model Number	SMPF-3C
Net Content Count	1 Count
Net Content Weight	52 Grams
Number of Items	1
Package Type Name	Bag
Product Benefits	high accuracy peak flow meter spirometer
Product Dimensions	5 x 6.3 x 16 cm; 52 g
Specific Uses For Product	Asthma
Target Audience	Unisex-Adults, Unisex-Kids
Target Use Body Part	Hands
UPC	791256816452
Unit Count	1 Count

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