Nihon Kohden Corporation ZM-541PAA 사용자 설명서

94

Measuring Principle
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300   400      500      600     700      800     900    1,000

200

100

10

1

0.1

0.05

Extinction Coefficient (cm)

-1

  (mmol/L)

-1

Wavelength (nm: 10

-9

m)

Oxyhemoglobin

Deoxyhemoglobin

SpO

2

660 nm

940 nm

0%

100%

Light Absor

ption

Light Absor

ption

Time

Tissue, venous blood

Arterial blood

Fig. 1

Fig. 3

Fig. 2