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NOTE
• PM concentrations can be affected by the environmental
conditions in which the device is used (e.g., there is a
construction site or road nearby, the device is used near a
fabric sofa, a vacuum cleaner is used or bedding/clothes are
arranged around the device).
•
– The device is used in a carpeted room, a veterinary clinic
or clothing store where there is a lot of fur, a highly humid
location or a location with lots of smoke or insects,
–
around the device, or
–
ventilation system or draughty window frames)
• The gas level can be affected by odorous household items
such as air fresheners, deodorants and detergents.
•
PM concentration readings may not match as air circulates.
The PM concentration readings may vary depending on the
product and PM meter.
• If the intensity of gas (odour) is constant with no change,
the gas level reading may not change even if the odour you
•
forecasts.
• In an environment that is affected by electromagnetic wave or
electrical noise, the PM concentration readings may increase
temporarily.
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