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If the screen display “poor signal”, please check if the sensor
has been positioned and secured properly.
When the above symbol displays on device screen, it
indicates the readings is unavailable right now.
When at rest, there will be readings in a few seconds. If you
can’t get readings for a long time, it may be caused by:
Improper sensor placement
Frequent movement
Foot or finger is too cold
Run App to connect the device, you can check the real-time
readings in App Dashboard. (The detail of using App will be
illustrated later)
Notice:
If the working time is less than 2 minute, the data will
not be saved.
Motion may cause readings unavailable. Readings
recover very soon at rest.
Please avoid strong ambient light condition.
SpO
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measurement principle:
The Pulse Oximeter is a lightweight, portable health oximeter
for use in the home or in healthcare facilities. SpO
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