90.93 Standard confirmed Jun 11, 2024
CEN
CEN/TC 264 Air quality
European Norm
13.040.20 Ambient atmospheres
This European Standard is applicable to open-path absorption measurements of 'concentration path length' product using the Fourier transform infrared (FTIR) technique with an artificial radiation source. It is applicable to the continuous measurement of infrared active organic and inorganic compounds in the gaseous state in ambient air using fixed tropospheric open paths up to approximately 1 km in length and provides a spatial average.
PUBLISHED
EN 15483:2008
90.93
Standard confirmed
Jun 11, 2024