I have a Dyson TP04. I have recently noticed that the PM level shown in the display increases when the fan speed is increased. For example, when the fan speed is at 1, the PM 2.5 displayed is around 25. But when I increase the fan speed to 10, the PM 2.5 is around 60-65. Using an external air quality monitor, I find the PM level to be around 40-45. What could be the reason? Any suggestions on how I can sort this out.
Best answer by Anonymous
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The fan is used to move air around your indoor space and through its sensors and filters.
Moving your indoor air through its filters are how the machine traps the pollutants/particles in your air, etc.
So as the fan speed increases, more air is moving through the machine’s filters/sensors at any given time, which would explain the variance in readings.
The fan is used to move air around your indoor space and through its sensors and filters.
Moving your indoor air through its filters are how the machine traps the pollutants/particles in your air, etc.
So as the fan speed increases, more air is moving through the machine’s filters/sensors at any given time, which would explain the variance in readings.
I wondered this myself! Good explanations
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