Portable PEF Portable Adult Children Asthma Spirometer Digital Peak Flow Meter Forced Expiratory Volume FEV1 Home Medical
 Features and details
 MINI SIZE AND LIGHT WEIGHT: Portable peak flow meter, can be put in your pocket or bag, it only takes a snap of a second to check your lung function whenever and wherever you want.
 Measures two parameters, PEF and FEV1. You can write your peak flow log that appears on the description.
 Automatically display test values: Electronic digital peak flow meter with LCD display, the value can be displayed clearly and quickly.
 High accuracy  : Adopt differential pressure transducer, excellent structure design, high precision and good repeatability
 Agrees  : Adults or children with respiratory symptoms, asthma, chronic obstructive pulmonary disease, smokers.
 Product Description
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 Characteristics:
 High Accuracy: Adopting the principle of pressure difference makes this device hospital grade precision.
 Automatically displays: Digital LCD clearly displays test results
 Good repeatability: additional calibration is not necessary after leaving the factory.
 No Additional Parts: No additional expense on disposable tips.
 Excellent structure design: easy for your hands.
 Easy to take with you: portable and lightweight format.
 Age: Suitable for all ages above four years old.
 Instructions:
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 Preperation
 1.Press the power button. Stand up or sit up straight. Hold the peak flow meter.
 2. Take a deep breath, completely filling your lungs with air.
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 The measure
 1.Put the mouthpiece in your mouth, form a tight seal with your lips. Make sure the tube is not covered by your tongue or teeth.
 2.Breathe as hard and fast as you can through the mouthpiece.
 3.Within a few seconds, you will get the measurement result on the screen.
 4.Repeat the above steps to repeat your test.
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 Your asthma readings and dairy.
 1. Write down and record the highest number of three of your tests on the dairy chart.
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 Clean the device
 1. Be sure to wipe and clean the mouthpiece with an alcohol swab or other alcohol swab. Place it in the carton after use.