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3. 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 Absorp-
tion Characteristics of Reductive Hemoglobin (Hb) and Oxyhemoglobin (HbO
in glow & near-infrared zones. Operation principle of the device is: Photoelec-
tric Oxyhemoglobin Inspection Technology is adopted in accordance with Ca-
pacity 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 photo-
sensitive element, information acquired through which will be shown on screen
through treatment in electronic circuits and microprocessor.
Figure 1.
4. TECHNICAL SPECIFICATIONS
4.1 Main performance
• SpO
value display
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• Pulse rate value display, bar graph display
• PI value display
• Pulse waveform display
• Battery power display
• Low-power indication: low-power indication symbol appears before work-
ing abnormity which is due to low-power.
• Review function
• Screen brightness can be adjusted
• Volume can be adjusted
• Display mode can be adjusted
• Pulse sound indication
• With alarm function, the user could set alarm limit.
• With real-time data uploading function.
• With clock function
• With two kinds of power supply mode(alternating current and internal elec-
trical power source)
Glow and Infrared-ray
Emission Tube
Glow and Infrared-ray
Receipt Tube
)
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