8
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)
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.
9
B.
Replace the cover.
Please take care when you insert the batteries
for the improper insertion may damage the
device.
Figure 3.
5.3 Accessories
A.
One hanging rope
B.
Two dry batteries(AAA)
C.
A User Manual
D.
a data line
E.
a disk (PC software)
6 Operating Guide
6.1 Application method
A.
a)
Insert the two batteries properly to the direction,
and then replace the cover.
b)
Open the clip as shown in Figure 4.
c)
Let the patient
’
s finger put into the rubber
