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2.3
Environment
requirements
2.3 Environment
2.3
Environment requirements
requirements
Storage Environment
a) Temperature :-40℃～+60℃
b) Relative humidity :5%～95%
c) Atmospheric pressure :500hPa～1060hPa
Operating Environment
a) Temperature:0℃～50℃
b) Relative Humidity :15%～95%
c) Atmospheric pressure:700hPa～1060hPa
3. 3. 3. Principle
Principle
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
the device is: Photoelectric 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 photosensitive element, information acquired through which
will be shown on screen through treatment in electronic circuits and microprocessor.
4. 4. 4. Technical
Technical
Technical specifications
specifications
specifications
4.1
Main
performance
4.1 Main
4.1
Main performance
performance
A. A. A. SpO
value display
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B. B. B. Pulse rate value display, bar graph display
C. C. C. Pulse waveform display
D. D. D. Low-voltage indication: low-voltage indicator appears before working abnormally which is due
to low-voltage
E. E. E. The display mode can be changed
F. F. F. Screen brightness can be changed
G. G. G. A pulse sound indication
H H H . . . With alarm function
I I I . . . With SpO
value and pulse rate value of storage, the stored data can be uploaded to computers
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J J J . . . It can be connected with an external oximeter probe
K K K . . . Real-time data can be transmitted to computers
) in glow & near-infrared zones. Operation principle of
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Figure 1.
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