EN
from cross infection for next time use.
Please take out the batteries if the oximeter is not in use for a long
time.
The best storage environment of the device is -40°C to 60°C ambient
temperature and not higher than 95% relative humidity.
High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
It is recommended that the device should be kept in a dry
environment. Humidity may reduce the useful life of the device, or
even damage it.
9. Troubleshooting
Trouble
Possible Reason
Solution
The SpO2 and
Pulse Rate can
not be displayed
normally
1. The finger is not
properly positioned
2. The patient’s SpO2 is
too low to be detected.
1. Place the finger
properly and try again.
2. Try again; Go to a
hospital for a diagnosis
if you are sure the
device works all right.
The SpO2 and
Pulse Rate are
not displayed
stably
1. The finger is not
placed inside deep
enough.
2. The finger is shaking
or the patient is
moving.
1. Place the finger
properly and try again.
2. Let the patient keep
calm