4
�
Pulse sound indication
�
Low-power indication: when the battery is low in power,the symbol will blink.
�
With alarm function
�
With screen overturn function
4.2
4.2
4.2
4.2
Main
Main
Main
Main p
p
p
parameters
arameters
arameters
arameters
A
A
A
A
Measurement
Measurement
Measurement
Measurement of
of
of
of SpO
SpO
SpO
SpO
2
2
2
2
Measuring range: 0%
~
100
%
Accuracy: 70~100%:±2%;Below 70%:unspecified.
B
B
B
B
Measurement
Measurement
Measurement
Measurement of
of
of
of pulse
pulse
pulse
pulse rate
rate
rate
rate
Measuring range:30bpm
~
250bpm
Accuracy: ±2 bpm or ±2% (select larger)
C
C
C
C
Resolution
Resolution
Resolution
Resolution
SpO
2
: 1%, Pulse rate: 1bpm
D
D
D
D
Measurement
Measurement
Measurement
Measurement p
p
p
performance
erformance
erformance
erformance in
in
in
in w
w
w
weak
eak
eak
eak ffffilling
illing
illing
illing ccccondition:
ondition:
ondition:
ondition:
SpO
2
and pulse rate can be detected correctly when pulse-filling ratio is 0.4%.SpO
2
error is ±4%;
pulse rate error is ±2 bpm or ±2% (select larger).
E
E
E
E
Resistance
Resistance
Resistance
Resistance to
to
to
to surrounding
surrounding
surrounding
surrounding light:
light:
light:
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
F
F
F
Power
Power
Power
Power supply
supply
supply
supply requirement:
requirement:
requirement:
requirement:
3.6 V DC ~4.2V DC.
5
5
5
5
Installation
Installation
Installation
Installation
5.1
5.1
5.1
5.1
View
View
View
View of
of
of
of the
the
the
the front
front
front
front panel
panel
panel
panel
Figure 2. Front View
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