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PM2.5 detectorThis small, portable meter measures the content of PM2.5 dust particles in the air and shows the current concentration of PM2.5 suspended dust on a clear LCD display.
PM2.5 dust contains particles smaller than 2.5 micrometers in diameter. These particles, in addition to penetrating the upper and lower respiratory tract, can also enter the blood. The acceptable average daily concentration for PM2.5 dust is 25 µg / m3.
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