GB/T 9486-1988
ActiveDiesel engine--Exhaust smoke measurement method at steady state
柴油机稳态排气烟度及测定方法
Application Summary AI generated
This standard specifies the method for measuring exhaust smoke from diesel engines under steady-state operating conditions, defining the testing procedures, instrumentation requirements, and calculation formulas for smoke opacity. It is primarily applied in the manufacturing, quality inspection, and type-approval testing of diesel engines used in vehicles, construction machinery, and industrial equipment to ensure compliance with emission regulations. The standard is relevant for environmental monitoring and engine performance evaluation in China.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.