JYTOP CMS50M Pulse Oximeter Fingertip blood oxygen saturation SpO2,PR monitor LED

DESCRIPTION 1.Instructions (No battery） CMS50M Pulse Oximeter is a portable equipment adopting advanced technology, it mainly checks SpO2 and PR value through the finger, which provides advanced, non-invasive and scientific means for quantitative measurement of oxygen saturation.  CMS50M Pulse Oximeter is applicable for use in plateau area, community healthcare, oxygen bar, Fitness clubs, physical training room, family and medical institution, etc.   2.Features 1) Can measure SpO2 and Pulse Rate accurately 2) SpO2 and Pulse Rate display,bar graph display3) Battery voltage low indication 3.Performance SpO2 measurement range: 0%~100%Accuracy: 70%~100%: ±2% 0%~69%: unspecifiedPR measurement range: 30bpm~250bpmAccuracy: ±2bpm or ±2%, whichever is greater.Resolution:SpO2: 1%PR: 1bpmMeasurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2%, whichever