This standard specifies the limits and measurement methods for exhaust smoke from non-road mobile machinery equipped with diesel engine and onboard diesel engine equipment.
This standard is applicable to the inspection for exhaust smoke from non-road mobile machinery equipped with diesel engine and onboard diesel engine equipment. The inspection on exhaust smoke from newly-produced and imported non-road mobile machinery equipped with diesel engine may be carried out by reference to this standard.
This standard is applicable to the following (including but not limited to) non-road mobile machinery equipped with diesel engine which are operated at non-constant speed:
This standard is applicable to the following (including but not limited to) non-road mobile machinery equipped with diesel engine which are operated at constant speed:
——air compressor;
——generator set;
——fishery machinery;
——water pump.
2 Normative references
This standard refers to the following documents or provisions therein. For undated references, the effective versions are applicable to this standard.
GB 3847-2005 Limits and measurement methods for exhaust smoke from C.I.E. (Compression Ignition Engine) and vehicle equipped with C.I.E.
GB 20891-2007 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (China I, II)
GB 20891-2014 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (China III, IV)
