1PC Latest Expiratory Peak Flow Meter Monitoring Lung Breath Versatile Spirometer Peak Speed Meter

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Introduction: usage method: 1. Move the red movable buoy to the starting point. 2. Hold the blue mouth with your mouth take a deep breath hold your breath blow out a breath and then try to blow the buoy further. 3. Observe the position proportion of the buoy. The average level of adult male can reach 400L / min the average level of female can reach 350L / min and the sports ability of athletes can reach 600-700l / min. (usually in ml / ml. This spirometer is measured by liter L. The conversion is as follows: if the scale you measure is 400L / min the conversion to the normal unit is 4000ml / min.

Vital capacity (VC) is the amount of gas you can exhale when you try to breathe. Adult men's vital capacity is about 3500-4000 ml while women's is about 2500-3000 ml. The better you are healthy the more vital capacity you have. A spirometer is a portable handheld device that measures your ability to exhale air from your lungs and provides the correct data to reflect airway ventilation. The importance of critical capabilities: The lung capacity is closely related to human respiration. Physiological studies have shown that organs systems tissues and organs of the human body Vital capacity measurement (low value compared with normal value) indicating that the body absorbs and discharges oxygen and the oxygen supply in the body is insufficient. Once the body needs a large amount of oxygen consumption (such as long-term learning work vigorous exercise) )Oxygen supply will be seriously insufficient resulting in adverse reactions such as headache dizziness chest distress mental depression inattention memory loss insomnia which will not only affect learning and work but also cause many irreparable loss of health. Package including:1Pc Spirometer(Adult or childColor random)

Reminder: When measuring the product by hand there may be errors of 0.1cm and 1cm. Due to the influence of pography equipment and other factors the actual items may be different from the pictures please understand. We wish you a happy shopping experience and a happy life. thank you! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.