Welby 78-50D4 Instruction Manual page 9

USING YOUR PULSE OXIMETER
finger, and the sensors inside the unit should align with the finger
nail and pad at the tip of the finger.
Oxygen
Saturation
% Sp0
95
Pulse Waveform
3. Press the power button to turn the unit on. The screen will briefly
flash a test display, and then begin the measurement.
4. Solid dashes (– – –) will appear on the display for a few seconds,
then the display will begin to show the oxygen saturation (SpO
and pulse rate (PR bpm) measurements.
Take care to not move excessively during monitoring. These are
active readings and may fluctuate slightly as you observe the
display, responding to your heart rate (bps) and other factors.
5. The Pulse Oximeter should only be used for spot-checking blood
oxygen saturation and pulse rate and should not remain on the
finger for more than a few minutes at a time.
6. Remove the unit from the finger. The unit will automatically turn off
after 5 seconds.
7. Clean the unit as directed before storage.
Pulse Rate
PR
2 bpm
84
Low
Oxygen
Battery
Saturation
Symbol
% Sp0
98
Pulse Bar Graph
Pulse Rate
PR
2 bpm
77
)
2
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