Persever CMS 50-DL Fingertip Pulse Oximeter - Blood Oxygen Saturation and Heart Rate Monitor How to ensure the accuracy of measurement? ☟ ☞Excessive or rapid movement may effect the massurement accuracy; ☞Measurement comes to best when O2 oximeter and heart are the same level; ☞ Improper sensor placement may affect accuracy, The maximum continuous test time does not exceed 5 minutes; ☞ Nails shouldn't be too long or nail polish, fingers shouldn't be measured with water. Ensure the integrity of the measured part of the skin. How to Use It? Quick and easy operation in three simple steps: ☟ 1.Remove the back cover and install the two AAA batteries. 2.Insert your finger by aligning it with the red light and wait for the oximeter to switch on. 3.Read the results in eight to ten seconds. The Pulse Oximeter is a painless and non-invasive device that shows you: ☟ ☞Oxygen saturation or SpO2 Level: Shows the percentage of how much hemoglobin in your blood is carrying oxygen, with normal levels at 95% or greater ☞Pulse Rate : Provides the number of heartbeats per minute ☞Pulse Intensity: Displayed as a bar graph ☞Pulse Wave: Shows the strength of your pulse in wave form Low Power Comsumption Equipped with two AAA batteries, the oximeter automatically powers off after five seconds of inactivity and delivers up to 24-48 continuous hours of battery life.
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