Product Manual

M3B Vital Signs Monitor Service Manual
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2 Principle
2.1 General Parts
The monitor has been designed to measure physiological parameters including SpO
2
and CO
2
.
There are five parts in monitor, see figure 2-1.
• Parameter measuring part
• Main control part
• Interface part
• Power supply part
• Other auxiliary parts
Figure2-1 Monitor Structure
2.1.1 Parameter Measuring Part
The monitor acquires the physiological signals of Oxygen saturation of the blood (SpO
2
) and CO
2
.
The Parameter measuring part can transform physiological signals to electrical signals, process
and transfer the values, waveforms and alarm information to Main control part, and then display
them by Interface part.
Main
control
part
Interface part
Power
supply
part
Parameter
measuring part
Other auxiliary parts