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Safety
CAUTION!
– Replace the batteries with high quality AA Alkaline
or Lithium batteries. DO NOT use rechargeable
batteries.
– When not in use for periods greater than 30 days
remove the batteries to protect the Check O
2
Plus
from potential battery leakage.
– Avoid dropping the Check O
2
Plus to prevent damage
which may adversely affect its performance. If damage
to the device is suspected, perform 4.3 Calibration
Verification Procedure, page 10.
– Avoid foreign matter entry into the Check O
2
Plus .
– DO NOT use the Check O
2
Plus to check a
concentrator with a humidifier in place. Humidity
could damage the device.
– DO NOT check a concentrator while holding the
mode button or the reading will be inaccurate.
– Following storage in extremely hot or cold conditions,
allow the gas to flow through the analyzer long enough
for the internal sensors to reach the gas stream
temperature, or wait for the analyzer to equilibrate to
room temperature before use.
3.2 Disposal
This product has been supplied from an environmentally aware
manufacturer that complies with the Waste Electrical and Electronic
Equipment (WEEE) Directive 2002/96/CE.
This product may contain substances that could be harmful to the
environment if disposed of in places (landfills) that are not appropriate
according to legislation.
Please be environmentally responsible and recycle this product
through your recycling facility at its end of life.
The batteries and circuit board are not suitable for regular trash
disposal.
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