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7 Repair and Maintenance
7.1 Maintenance
The expected 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, with 75% alcohol wipes, then let it air
dry or wipe it dry. Do not allow liquid to enter
the device.
Please take out the batteries if the Oximeter
will not be used any more than 7 days.
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