Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro, (Black-White) : Health & Household

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See more product details Perfusion Index The perfusion index is a convenient way to tell you the intensity of your pulse. If the value is less than 0.2%, it means your hand is too cold or the position in the oximeter is incorrect. Just heat your finger and reposition your finger so that it is between the LED light and the sensor. There is no need to make a second guess to determine if the reading is reliable or why the pulse oximeter cannot give a reading. Plethysmograph - SpO2 Waveform Each wave corresponds to a heartbeat, and the amplitude corresponds to the amount of blood detected in your blood vessel. When the wave amplitude is consistent, the pulse oximeter is optimized and readings can be taken. The oximeter can be used before or after doing sports, you should stay still when measuring. Fingernails up measurement. Nail polish will affect the accuracy of the reading. The most accurate value of blood oxygen, when the wave amplitude is consistent and PI value is higher than 0.2%, The two batteries are installed in the same direction. Make sure that the batteries are installed correctly. The oximeter used for sports and aviation. The power button only used for turn on/off the oximeter, can not change the direction of display. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.

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