User Manual for Fingertip Oximeter
14
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 use of maintenance.
Please change the batteries when the low-voltage
indicator lightens.
Please clean the surface of the oximeter before
use. Use soft cloth with alcohol to wipe the
oximeter 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, so there is no need to calibrate it during its
life cycle. However, if it is necessary to verify its
precision 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.