4
3
3
3
3 .2
.2
.2
.2 Caution
Caution
Caution
Caution
1. The finger should be place d properly (see the attached illustration of this manual , Figure 5), or
else
it
may cause inaccurate measure ment .
2. The SpO
2
sensor and photoelectric receiving tube should be arranged
in
a way with the
subject
’
s arteriole
in
a position there between ．
3. The SpO
2
sensor should not be used at a location or limb tied with arterial canal or blood
pressure cuff or receiving intravenous injection.
4. Make sure the optical path is free from any optical obstacles like rubberized fabric.
5. Excessive ambient light may affect the measuring result. It includes fluorescent lamp, dual ruby
light , infrared heater , direct sunlight and etc.
6. Strenuous action of the subject or extreme electrosurgical interference may also affect the
accuracy .
7. Testee can not use enamel or other makeup.
3
3
3
3 .3
.3
.3
.3 Clinical
Clinical
Clinical
Clinical
r
r
r
r
estrictions
estrictions
estrictions
estrictions
1. A s the measure is taken on the basis of arteriole pulse, substantial pulsating blood flow of
subject is required . For a subject with weak pulse due to shock, low ambient/body temperature,
major bleeding, or use of vascular contracting drug , the SpO
2
waveform ( PLETH ) will decrease .
In this case, the measurement will be more sensitive to interference.
2. For those with a substantial amount of staining dilution drug (such as methylene blue , indigo
green and acid indigo blue), or carbon monoxide hemoglobin (COHb), or methionine (Me+Hb)
or thiosalicylic hemoglobin, and some with icterus problem , the SpO
2
determination by this
monitor may be inaccurate .
3. The drugs like dopamine, procaine, prilocaine, lidocaine and butacaine may also be a major
factor blamed for serious error of SpO
2
measure .
4. As the SpO
2
value serves as a reference value for judgement of anemic anoxia and toxic anoxia ,
some patients with serious anemia may also report good SpO
2
measurement.
4
4
4
4 Technical
Technical
Technical
Technical specifications
specifications
specifications
specifications
4
4
4
4 .
.
.
. 1
1
1
1 Display
Display
Display
Display Format:
Format:
Format:
Format: Digital tube Display;
SpO
SpO
SpO
SpO
2
2
2
2
M
M
M
M easur
easur
easur
easur ing
ing
ing
ing Range
Range
Range
Range :
:
:
: 0 % - 100 % ;
Pulse
Pulse
Pulse
Pulse Rat
Rat
Rat
Rat e
e
e
e M
M
M
M easur
easur
easur
easur ing
ing
ing
ing Range
Range
Range
Range :
:
:
: 30 bpm - 2 5 0 bpm ;
Pulse
Pulse
Pulse
Pulse Intensity
Intensity
Intensity
Intensity Display:
Display:
Display:
Display: columniation display
4
4
4
4 .2
.2
.2
.2 Power
Power
Power
Power Requirements:
Requirements:
Requirements:
Requirements: 2 × 1.5V AAA alkaline battery （ or using the rechargeable battery
instead ） ， , adaptable range: 2. 6 V~3.
6V.
4
4
4
4 .
.
.
. 3
3
3
3 Power
Power
Power
Power Consumption:
Consumption:
Consumption:
Consumption: Smaller than 25 mA.
4
4
4
4 .4
.4
.4
.4 Resolution:
Resolution:
Resolution:
Resolution: 1% for SpO
2
and 1 bpm for Pulse Ra te .
4
4
4
4 .
.
.
. 5
5
5
5 Measurement
Measurement
Measurement
Measurement Accuracy:
Accuracy:
Accuracy:
Accuracy: ± 2%
in
stage of 70 %- 100 % SpO
2
, and meaningless when stage
being smaller than 70% . ± 2 bpm or ± 2% (select larger) for Pulse Ra te .
4
4
4
4 .
.
.
. 6
6
6
6 Measurement
Measurement
Measurement
Measurement Performance
Performance
Performance
Performance in
in
in
in Weak
Weak
Weak
Weak Filling
Filling
Filling
Filling Condition:
Condition:
Condition:
Condition: 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) .
4
4
4
4 .
.
.
. 7
7
7
7 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%.
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