User Manual for Handheld Pulse Oximeter
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7 Repair and Maintenance
7.1 Maintenance
The service life (not a warrantly) 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
appears.
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, there
is no need to calibrate it during its life cycle.
However, if it is necessary to verify its accuracy routinely,
the user can do the verification by means of SpO2
simulator, or it can be done by the local third party test
house.
7.2 Cleaning and Disinfecting Instruction
Surface-clean sensor with a soft cloth by wetting with a
solution such as 75% isopropyl alcohol, if low-level
disinfection is required, use a 1:10 bleach solution.
Then surface-clean by a dampened cloth and let it air dry
or wipe it with a cloth.
High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
