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Principle And Application Of Finger Pulse Oximeter

Finger Oximeter is measuring the oxygen saturation in the blood. Hemoglobin carries oxygen, of course there are no load condition, we carry oxygen oxygenation of hemoglobin called hemoglobin, restore the condition of hemoglobin called hemoglobin.
Oxyhemoglobin and deoxyhemoglobin in the visible and near-infrared spectrum range with different absorption properties. Reduced hemoglobin absorbs more of the Red frequencies of light, absorbed less infrared frequencies of light and less oxygen-rich hemoglobin absorbs red light frequencies, absorb more infrared light frequencies. This distinction is the most fundamental basis of finger blood oxygen monitor.
Through a series of calculations, finger Oximeter blood oxygen saturation data displayed on the screen.
Finger Oximeter using complex, finger Oximeter is used for the first time, first press the reset (Reset) button, LED screen will display the ready status. Then press restart NIPs. Left hand or right hand middle finger juts out into the warehouse, you can see in infra-red light of warehouse, should pay attention to: fingers cannot clip tilt, experts not wet, not the nail surface for objects (such as nails). Wait after contact with fingers and work positions entirely, LED display speed. Entering condition should take note, keep the finger stability tested, not up and down around the rock, it is best to hand steady on the desktop, breathing evenly.

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