
Measurement Principle
This instrument measures the oxygen saturation (SpO2) in arterial blood and pulse rate continuously in a
With this instrument, SpO2 is defined by the following equation.
where | Concentration of reduced hemoglobin |
C (Hb): | |
C (HbO2): | Concentration of oxyhemoglobin |
The
■Spectral Absorption of Hb and HbO2
Appendix
Red light | Infrared light |
Absorption coefficient
Wavelength
28