Use the breather were? Control the ppm level?

Put yourself in a home office the breather were in the hope the fresh air with closed window. Control the ppm level using a device, of which much has been written on Habre (probably best not to write the name to is not considered).
And that's somehow not enough that the breather were even on max speed (
Whether there are here owners of these devices? Tell me how you have?
April 19th 20 at 12:09

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April 19th 20 at 12:11
Is the xiaomi mi purifier with indicator PPM. During the winter all and so clean, now the snow is gone and the dust rose - like spinning noise and the air cleaner becomes.
I have the ppm level in most claims. At Max speed with two people in the room, he almost never falls. And how you do this? - Felicia82 commented on April 19th 20 at 12:14
Purifier is a kind of breather were? Cleaning the air? - Felicia82 commented on April 19th 20 at 12:17
@Felicia82, not washing and not the breather were just a dry filter

Built-in sensor ppm overall impression is that he thinks not quite fair. Responds to aerosols and smoke, but the dust from cleaning is almost non-responsive. There is another sensor DSM501, his testimony, at least, more changeable, but I have not yet figured out how to calibrate it at home. - Magdalen_Thomps commented on April 19th 20 at 12:20
You about different things you say and do not understand each other. And all because PPM is a unitless quantity, type %. Only PPM of what?! @Felicia82 talking about PPM carbon dioxide, and @Magdalen_Thomps tells about the PPM of dust.
You would still be in centimeters measured, without specifying what measure - one monitor, and another length of rod. :) - Lauren.Dietrich50 commented on April 19th 20 at 12:23
@Lauren.Dietrich50, Oh - Magdalen_Thomps commented on April 19th 20 at 12:26

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