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

🎯±3% volume accuracy

👜52g ultra-portable

📊Measures PEF & FEV1

R3130

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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Description

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

INSTANT DIGITAL READOUT - Clear LCD display delivers immediate, easy-to-read results—no guesswork, just data.
PRECISION YOU CAN TRUST - Advanced differential pressure sensor ensures clinical-grade accuracy for reliable lung function tracking.
POCKET SIZED PORTABILITY - Lightweight and compact design fits effortlessly in your bag or pocket for on-the-go lung health management.
DUAL PARAMETER MONITORING - Simultaneously measures Peak Expiratory Flow (PEF) and Forced Expiratory Volume (FEV1) for comprehensive respiratory insights.
FAMILY FRIENDLY VERSATILE - Perfect for adults and kids managing asthma, COPD, or respiratory symptoms—empower your whole household.

The Sonmol Digital Peak Flow Meter Spirometer is a high-precision, portable device designed for adults and kids to monitor lung function at home. Featuring a differential pressure sensor, it accurately measures Peak Expiratory Flow (PEF) and Forced Expiratory Volume (FEV1) with ±3% volume accuracy. Its lightweight 52g design and clear LCD display enable quick, reliable respiratory assessments anytime, empowering users to self-manage asthma and other respiratory conditions effectively.

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 (31)
Customer reviews	4.2 4.2 out of 5 stars (31)
Item Dimensions	50 x 63 x 160 millimeters
Item Weight	52 g
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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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R3130

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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