This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
This International Standard specifies the general requirements and the installation of apparatus for measurement of
the opacity and for the determination of the light absorption coefficient of exhaust gas from internal combustion
engines (not confined to road vehicles). These instruments are known as opacimeters.
Status : PublishedPublication date : 1999-09
Edition : 1Number of pages : 57
Technical Committee:Exhaust gas emission measurement
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