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The pulse oximeter only takes 5-8 seconds to measure. At the same time, when not in use, the oxygen meter finger pulse oximeter will automatically shut down after 8 seconds.
%SpO2: Oxygen saturation, which indicates the percentage of oxygen in the blood. Usually the normal value is 94%-100%.
PR(/Min): The number of heartbeats per minute in a resting state, the normal value is 60-100 beats/ minute.
PI: Perfusion index, PI value reflects pulsatile blood flow.