1. Why do the test values vary significantly?

Usage methods and physical conditions can affect the results. Airflow blockage may cause PEF deviations. 1) Did not inhale deeply or exhale forcefully and correctly; 2) Respiratory muscle fatigue; 3) Leakage from the mouth or nose, etc.

2. 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

3. E1 occur while using?

Please restart the peak flow meter. If the E1 problem still persists, please get in touch with us. After confirm, we could send you a replacement.

Why can't I connect the device to Bluetooth or Sync data to the App?

This peak flow meter has no Bluetooth and cannot sync data to the 'ePEF' app. Manually log your readings instead.

Why there no backlight red, yellow or green?

This item do not have backlight. There is a triangular pointing to the red, yellow, or green sections for each test result * No arrow will be displayed on the device without properly setting the expected value.

Nascool Peak Flow Meter For Adults And Kids Home Medical

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$65.58

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Description

🌬️ Breathe Better, Live Smarter — Your Personal Lung Health Coach

PRECISION YOU CAN TRUST - Pressure differential sensor ensures ATS ERS WRIGHT standard accuracy—no calibration needed.
DESIGNED FOR EVERY BREATH - Compact, durable, and easy to clean—perfect for adults, kids, athletes, and anyone serious about respiratory health.
TRACK MANAGE LIKE A PRO - Integrated asthma diary app lets you log symptoms, triggers, and medication for smarter health decisions.
ALL IN ONE RESPIRATORY KIT - Includes digital meter, instruction manual, and asthma diary paper for seamless home monitoring.
INSTANT LUNG HEALTH INSIGHTS - Automatically displays PEF & FEV1 values on a clear LCD screen for real-time monitoring.

The Nascool Peak Flow Meter is a highly accurate, portable device designed for adults and kids to measure peak expiratory flow (PEF) and forced expiratory volume in 1 second (FEV1). It meets ATS ERS WRIGHT standards without requiring calibration, features an easy-to-read LCD screen, and supports manual asthma diary tracking via an app. Ideal for asthma sufferers, athletes, and anyone monitoring respiratory health, it comes as a complete package with user-friendly accessories.

Specifications

ASIN	B09S3KJZZ7
Best Sellers Rank	#4,015 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Flowmeters
Customer Reviews	4.4 4.4 out of 5 stars (669)
Date First Available	February 9, 2022
Item model number	SMPF-2S
Manufacturer	Nascool
Product Dimensions	2 x 1.7 x 4 inches; 4.97 ounces

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