SpO
2
and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO
2
error is ±4%,
pulse rate error is ±2 bpm or ±2% (select larger).
E. Resistance to surrounding light
The deviation between the value measured in the condition of man-made light or indoor natural light
and that of darkroom is less than ±1%.
F. Power supply requirement: 2.6 V DC ~ 3.6V DC.
G. Optical Sensor
Red light (wavelength is 660nm, 6.65mW)
Infrared (wavelength is 880nm, 6.75mW)
H. Adjustable alarm range:
SpO
2
: 0%~100%
Pulse Rate: 0bpm~250bpm
5 Installation
5.1 View of the front panel
Figure 2. Front view
5.2 Battery installation
A. Refer to Figure 3. and insert the two AAA size batteries properly in the right direction.
B. Replace the cover.
Please take care when you insert the batteries for the improper insertion may damage the
device.
When you don’t use the device for more than 2 hours
，
please take out the dry batteries.
CMS-50D Plus
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