4
3
3
3
3.2
.2
.2
.2Caution
Caution
Caution
Caution
1.Thefingershouldbeplacedproperly(seetheattachedillustrationofthismanual,Figure5),or
else
it
maycauseinaccuratemeasurement.
2.TheSpO
2
sensorandphotoelectricreceivingtubeshouldbearranged
in
awaywiththe
subject
’
sarteriole
in
apositiontherebetween．
3.TheSpO
2
sensorshouldnotbeusedatalocationorlimbtiedwitharterialcanalorblood
pressurecufforreceivingintravenousinjection.
4.Makesuretheopticalpathisfreefromanyopticalobstacleslikerubberizedfabric.
5.Excessiveambientlightmayaffectthemeasuringresult.Itincludesfluorescentlamp,dualruby
light,infraredheater,directsunlightandetc.
6.Strenuousactionofthesubjectorextremeelectrosurgicalinterferencemayalsoaffectthe
accuracy.
7.Testeecannotuseenamelorothermakeup.
3
3
3
3.3
.3
.3
.3Clinical
Clinical
Clinical
Clinical
r
r
r
r
estrictions
estrictions
estrictions
estrictions
1.Asthemeasureistakenonthebasisofarteriolepulse,substantialpulsatingbloodflowof
subjectisrequired.Forasubjectwithweakpulseduetoshock,lowambient/bodytemperature,
majorbleeding,oruseofvascularcontractingdrug,theSpO
2
waveform(PLETH)willdecrease.
Inthiscase,themeasurementwillbemoresensitivetointerference.
2.Forthosewithasubstantialamountofstainingdilutiondrug(suchasmethyleneblue,indigo
greenandacidindigoblue),orcarbonmonoxidehemoglobin(COHb),ormethionine(Me+Hb)
orthiosalicylichemoglobin,andsomewithicterusproblem,theSpO
2
determinationbythis
monitormaybeinaccurate.
3.Thedrugslikedopamine,procaine,prilocaine,lidocaineandbutacainemayalsobeamajor
factorblamedforseriouserrorofSpO
2
measure.
4.AstheSpO
2
valueservesasareferencevalueforjudgementofanemicanoxiaandtoxicanoxia,
somepatientswithseriousanemiamayalsoreportgoodSpO
2
measurement.
4
4
4
4Technical
Technical
Technical
Technicalspecifications
specifications
specifications
specifications
4
4
4
4.
.
.
.1
1
1
1Display
Display
Display
DisplayFormat:
Format:
Format:
Format:DigitaltubeDisplay;
SpO
SpO
SpO
SpO
2
2
2
2
M
M
M
Measur
easur
easur
easuring
ing
ing
ingRange
Range
Range
Range:
:
:
:0%-100%;
Pulse
Pulse
Pulse
PulseRat
Rat
Rat
Rate
e
e
eM
M
M
Measur
easur
easur
easuring
ing
ing
ingRange
Range
Range
Range:
:
:
:30bpm-250bpm;
Pulse
Pulse
Pulse
PulseIntensity
Intensity
Intensity
IntensityDisplay:
Display:
Display:
Display:columniationdisplay
4
4
4
4.2
.2
.2
.2Power
Power
Power
PowerRequirements:
Requirements:
Requirements:
Requirements:2×1.5VAAAalkalinebattery（orusingtherechargeablebattery
instead），,adaptablerange:2.6V~3.
6V.
4
4
4
4.
.
.
.3
3
3
3Power
Power
Power
PowerConsumption:
Consumption:
Consumption:
Consumption:Smallerthan25mA.
4
4
4
4.4
.4
.4
.4Resolution:
Resolution:
Resolution:
Resolution:1%forSpO
2
and1bpmforPulseRate.
4
4
4
4.
.
.
.5
5
5
5Measurement
Measurement
Measurement
MeasurementAccuracy:
Accuracy:
Accuracy:
Accuracy:±2%
in
stageof70%-100%SpO
2
,andmeaninglesswhenstage
beingsmallerthan70%.±2bpmor±2%(selectlarger)forPulseRate.
4
4
4
4.
.
.
.6
6
6
6Measurement
Measurement
Measurement
MeasurementPerformance
Performance
Performance
Performancein
in
in
inWeak
Weak
Weak
WeakFilling
Filling
Filling
FillingCondition:
Condition:
Condition:
Condition:SpO
2
andpulseratecanbeshown
correctlywhenpulse-fillingratiois0.4%.SpO
2
erroris±4%,pulserateerroris±2bpmor±
2%(selectlarger).
4
4
4
4.
.
.
.7
7
7
7Resistance
Resistance
Resistance
Resistanceto
to
to
tosurrounding
surrounding
surrounding
surroundinglight:
light:
light:
light:Thedeviationbetweenthevaluemeasured
in
thecondition
ofman-madelightorindoornaturallightandthatofdarkroomislessthan±1%.
