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2 PRINCIPLE
Figure 1. Operating principle
Principle of the Oximeter is as follows: An experience formula of data process is established taking use
of Lambert Beer Law according to Spectrum Absorption Characteristics of Reductive Hemoglobin (Hb)
and Oxyhemoglobin (HbO
2
) in glow & near-infrared zones. Operation principle of the device is: Photo-
electric Oxyhemoglobin Inspection Technology is adopted in accordance with Capacity Pulse Scanning
& Recording Technology, so that two beams of different wavelength of lights can be focused onto human
nail tip through perspective clamp finger-type sensor. Then measured signal can be obtained by a pho-
tosensitive element, information acquired through which will be shown on screen through treatment in
electronic circuits and microprocessor.
3 FUNCTIONS
A. SpO
2
value display
B. Pulse rate value display, bar graph display
C. PI value display
D. Pulse waveform display
E. Battery power display
F. Low-power indication: low-power indication symbol appears before working abnormity which is due
to low-power.
G. Review function
H. Screen brightness can be adjusted
I. Volume can be adjusted
J. Display mode can be adjusted
K. Pulse sound indication
L. With alarm function, the patient could set alarm limit.
M. With real-time data uploading function.
N. With clock function
O. With two kinds of power supply mode(alternating current and internal electrical power source)
ENGLISH
Glow and Infrared ray
Emission Tube
Glow and Infrared ray
Receipt Tube