41
ature: -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 cali-
brate it during its life cycle.
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.
7.2 Cleaning and Disinfecting Instruction
• Surface-clean sensor with a soft gauze 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 with a damp cloth and dry with a piece of cloth.
• Clean the wristband with soapy water. Please detach the wristband from the
oximeter firstly. (Refer to Appendix for detailed disassembly method).
Caution:
Do not sterilize by irradiation steam, or ethylene oxide.
Do not use the sensor if it is damaged.
8 TROUBLESHOOTING
Trouble
Possible Reason
Solution
The SpO
2
and Pulse Rate
display instable
1. The finger is not placed far
enough inside.
1. Place the finger correctly
inside and try again.
Can not turn
on the device
1. The batteries are drained
or almost drained.
2. The batteries are not
inserted properly.
3. The device is malfunctioning.
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local
service center.
Fragmental trend
curve of SpO
2
and PR
1. Your finger is out of proper
location in the probe.
2. Blood flow in the finger
blocked.
3. Extreme movement.
1. Adjust your finger
location properly.
2. Make sure there is no
object may occlude the
blood flow.
3. Extreme movement may
cause invalid measuring
result.
ENGLISH