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EN
4. Operating Guide
4.1 Application Method
A. Remove the battery cover, and insert the two AAA batteries following polarity markings indicated
inside of the battery compartment. Then reposition the cover.
B. Hold the oximeter with the display facing towards you, slide your finger into the opening probe of the
device as shown below in figure 4, until the fingertip touches the built-in stop guide. For best results,
make sure the finger is centered within the finger guide.
C. Press the button to activate the oximeter from sleep mode and then measurement interface will
appear in 3 seconds.
D. The measurement result will be read directly from the screen.
E. The oximeter will turn into sleep mode automatically within 8 seconds after the finger left the probe.
Figure 4 Operation Guide
4.2 Attention for Operation
A.
Ring finger, middle finger and index finger are recommended as suitable monitor positions.
B.
Excessive or rapid movement may affect measurement accuracy.
C.
Improper sensor placement may affect the measurement accuracy.
D.
The oximeter can be reused after cleaning and disinfection.
E.
The measurement works best when the oximeter and the heart rate are at the same level.
F.
The plethysmogram can be used as pulse intensity indicator. The displayed parameters might be
unreliable with the disorderly plethysmogram.
G.
The displayed parameters will show invalid indicator as ‘---‘ if signal quality is very low.
H.
The displayed parameters will show invalid indicator as ‘---‘ if oximeter fault occur.
I.
The maximum continuous test time does not exceed 5 minutes.
J.
Do not shake the finger during measurement. Do not move the body when reading the oximeter.
5. Specifications
5.1 Classification
Type of protection against electric shock
II (Internally powered equipment)
Degree of protection against electric shock
Type BF applied part (non-defibrillation proof)
Operating mode
Spot checking
Degree of protection against hazards of explosion
Ordinary equipment: no protection
Equipment type
Fingertip oximeter
5.2 Measurement Specifications
SpO2 declared accuracy
Range
70% ~ 100% ± 2 digits
0% ~ 69% unspecified
Resolution
1%
Update Period
1s
Average Time
8s
PR declared accuracy
Range
25 - 250 ±3 digits
Resolution
1bpm
Update Period
1s
Average Time
8s
5.3 Power Requirements
Specification of batteries
Two 1.5V (AAA)
Operating voltage
DC 2.5-3V