มอก. 1140-2536

Scope (English)

Specifies limits for gaseous pollutants (i.e. carbon monoxide, hydrocarbons, oxides of nitrogen and black smoke) emitted with the exhaust from light duty diesel engined vehicles based on engine capacities. Applies to passenger cars not exceeding 9 in seats, trucks not exceeding 3 500 kg in gross mass, and cars (seats unlimited) modified from trucks not exceeding 3 500 kg in gross mass. Prescribes 3 types of test, i.e. verifying emission after cold start; verifying carbonmonoxide concentration at idling speed and inspecting emission atcrank case and inspecting black smoke with anti-pollution devices. Includes marking, labelling, sampling and criteria for conformity, testing.