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Air quality measurement units: ppm or parts per million

Collective ventilation shunt in apartment block according to CTE DB HS3

superadmin

June 14, 2017

Air quality meter in ppm (parts per million) to measure pollutant concentration

Ppm or parts per million is a unit used to measure the concentration of a specific contaminant such as carbon monoxide, within the air

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Do you know how thermohygrometric conditions affect us?

Collective ventilation shunt in apartment block according to CTE DB HS3

superadmin

August 31, 2017