Abstract
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.
General information
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Status: PublishedPublication date: 1999-09Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 57
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Technical Committee :ISO/TC 70/SC 8
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Life cycle
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Previously
WithdrawnISO 3173:1974
WithdrawnISO/TR 4011:1976
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Now
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