User Manual for Wrist Oximeter
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7 Repair and Maintenance
7.1 Maintenance
The service life (not a warranty) of this device is 5 years.
In order to ensure its long service life, please pay attention
to the maintenance.
Please change the batteries when the low-voltage
indicator lightens.
Please clean the surface of the device before using.
Use cloth with alcohol to wipe the device first, and
then let it dry in air or wipe it dry.
Please take out the batteries if the oximeter will not
be used for a long time.
The recommended storage environment of the
device:
ambient temperature: -20ºC ~60ºC, relative humidity
10%~95%, atmospheric pressure: 50kPa~107.4kPa.
The oximeter is calibrated in the factory before sale,
However, if it is necessary to verify its accuracy
routinely, the user can do the verification by means
of SpO
2
simulator, or it can be done by the local third
party test house.
High-pressure sterilization cannot be used on the
device.
Do not immerse the device in liquid.
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