Recommandation OIML R 144

Instruments pour le mesurage continu de CO et NO_x dans les émissions de sources fixes

Champ d'application : This Recommendation applies to measuring instruments (hereafter referred to as "gas analytical systems") that serve to determine the volume fraction of carbon monoxide (CO), nitrogen monoxide (NO), nitrogen dioxide (NO₂), or sum of nitrogen oxides (NO_x) and establishes the conditions and requirements with which such systems shall comply in order to meet the requirements for measurement results of the pollutant content in stationary source emissions within OIML Member States. (en anglais)