POWER – 2*AAA battery.
POWER VOLTAGE – 2.4~3.3V
STANDBY CURRENT – <40uA
WORK CURRENT – <50mAfbv
POWER ON – Press white button one time, 0.5s Start
LOW POWER – Auto shutdown at battery voltage <2.3V
NO FINGER – Display “NO FINGER” and shutdown after 10s
Oxygen Saturation is the percentage of oxyhemoglobin (HbO2) that is combined with oxygen against all combinable hemoglobin(Hb).
The Oxygen saturation of arterial blood in a normal human body is 98%.
If the measured value of oxygen saturation islower then 94%, an insufficient supply of oxygen is considered.