GLOWY Pulse Oximeter รุ่น PO-001 เครื่องตรวจวัดระดับ

How to Interpret Pulse Oximeter Readings oximeter How do you use a pulse oximeter? · Be sure your hand is warm · Sit quietly for a few minutes · Turn on your oximeter · Keep your nail facing oximeter St John Ambulance National Online Shop · Pulse Oximeter St John Brand In stock SKU: 354869

oximeter How a Pulse Oximeter Works Pulse oximetry uses light to measure oxygen saturation Light beams go through your finger into a light detector on the other side