The Microlife Digital Peak Flow Meter with FEV1 is the doctor's choice for managing diseases that restrict lung performance. This advanced meter for spirometry includes a digital diary and measures air flow velocity and volume (FEV1) to indicate early warning signs for impending asthmatic incidents or conditions. Using these measurements in conjunction with a doctor's consultation allows patients with asthma, COPD and other lung diseases to manage their condition.

What is PEF: PEF is Peak Expiratory Flow, or in other words measures how fast you can push air out of your lungs.

What is FEV: FEV is Forced Expiratory Volume, or in other words measures how much air a person can exhale during a forced breath.

Specifications

Peak Flow readings: Accuracy	± 25 l/min or 12% of the reading, whichever is greater
Peak Flow readings: Range	± 0.1 or 50 to 900 l/min.
FEV1 readings: Accuracy	± 0.1 or ± 5% of the reading, whichever is greater
FEV1 readings: Range	0.01 to 9.99
Measurement duration	Measures after blowing as a hard/fast as possible into tube, 3 measurements are recommended for best results

Memory	Stores 240 readings
Incident risk indicator	Default: The readings are programmed to correspond to 80/60/50% of one's personal best measurement. Customized: Values can be programmed into PEF1 with Windows software for a personalized result.
Electronically independent	No phone or connection to the cloud needed, no security concerns about sharing medical data
Cleaning	Clean breathing tube and mouthpiece with soap & warm water. Air dry.
Lightweight	Will fit into a purse. At 5.3 oz, the meter weighs about as much as a medium apple.

Box Contents:

Digital Peak Flow & FEV1 Meter
3 Washable Mouthpieces
Tracking and Analysis Software
USB Cable
Deluxe Storage Case
Instruction Booklet in English /Spanish
2 AAA Batteries
15 Traffic Light Risk Indicator Cards

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