Road vehicles. Measurement methods for exhaust gas emissions during inspection or maintenance Ingestion-build-135476 the use of transparent window

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Road vehicles. Measurement methods for exhaust gas emissions during inspection or maintenance Ingestion-build-135476 the use of transparent window1 Scope This International Standard specifies methods for the direct measurement of the concentration of exhaust gas emissions from road vehicles during inspection or maintenance. It is applicable to vehicles having a maximum authorized total mass (ISO M08, as defined in ISO 1176) not exceeding 3,5 t, equipped with controlled ignition engines, but excluding those supplied with a fuel oil mixture (with or without automatic mixer). The methods can be