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4
Hemoglobin(
Hb
)andOxyhemoglobin(
Hb
O
2
)
in
glow&near-infraredzones.Operationprincipleof
thedeviceis:PhotoelectricOxyhemoglobinInspection
T
echnologyisadopted
in
accordancewith
CapacityPulseScanning&RecordingTechnology,sothattwobeamsofdifferentwavelengthof
lightscanbefocusedontohumannail
tip
throughperspectiveclampfinger-typesensor.Then
measuredsignalcanbeobtainedbyaphotosensitiveelement,informationacquiredthroughwhich
willbeshownonscreenthroughtreatment
in
electroniccircuitsandmicroprocessor.
Figure1
4.
4.
4.
4.Technical
Technical
Technical
Technicalspecifications
specifications
specifications
specifications
4
4
4
4.1
.1
.1
.1.
.
.
.Main
Main
Main
Mainperformance
performance
performance
performance
A.SpO
2
valuedisplay
B.Pulseratevaluedisplay,bargraphdisplay
C.Pulsewaveformdisplay
D.
L
ow-voltageindication:low-voltageindicatorappearsbeforeworkingabnormallywhichisdue
tolow-voltage
E.
A
utomaticallypowerofffunction:whenthedeviceisunderthestateofmeasuringinterface
(withoutexternalprobe),
it
willautomaticallypoweroffwithin5seconds
if
thefingerfallsoutof
probe.
F.Thedisplaymodecanbechanged
G.Screenbrightnesscanbechanged
H.Withpulseratesoundindication
I.Withalarmfunction
J
J
J
J.WithSpO
2
andpulseratevaluerecordfunction,therecorddatacanbeuploadedtocomputer.
K.Itcanbeconnectedwithanexternaloximeterprobe(optional)
L
L
L
L.DatacanbeobservedoncomputerssynchronouslybyPCsoftware
M
M
M
M.Withtwokindsofdatatransmissionmode:datalineandBluetooth.
4
4
4
4.2
.2
.2
.2.
.
.
.Main
Main
Main
MainParameters
Parameters
Parameters
Parameters
A.
A.
A.
A.Measuremen
Measuremen
Measuremen
Measurement
t
t
tof
of
of
ofSpO
SpO
SpO
SpO
2
2
2
2
MeasurementRange:0%100
Accuracy:70~100%,±2%;0~69%,unspecified
B.
B.
B.
B.Measurement
Measurement
Measurement
Measurementof
of
of
ofpulse
pulse
pulse
pulserate
rate
rate
rate
MeasurementRange:30bpm~250bpm
Accuracy:±2bpmor±2%(selectthelarger)
7


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