This Korean Industrial Standard specifies continuous analyzers of conduct metric system, flame photometric system, coulometric system and ultraviolet fluorescence system, out of the automated analytical instruments (hereafter referred to as "analyzer") that are used to measure continuously the concentration of sulfur dioxide in ambient air. Remarks 1. As the analysis methods based on other measurement principles than the above, there is
constant potential electrolysis system, which is mentioned in Informative reference 1.
2. The units and numerical values given in {} in this Standard are based on the SI unit and
are appended for informative reference.