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Test-bed measurement systems of gaseous and particulate emissions ISO Take the smart route to manage medical device compliance. Internal combustion engines, Reciprocating engines, Exhaust gases, Combustion products, Spark-ignition engines, Diesel engines, Pollutant gases, Gas analysis, Torque, Velocity, Classification systems, Marine engines, Electric generators, Gardening equipment, Agricultural equipment, Railway vehicles, Locomotives, Vehicle components, Materials handling equipment, Testing conditions, Weighting functions.
IS/ISO 8178-4: Reciprocating Internal Combustion Engines – Exhaust Emission Measurement
In comparison with engines for on-road applications, engines for off-road use are made in a much wider range of power output and configuration and are used in a great number of different applications. The objective of this standard is to rationalize the test methods for off-road engines in order to simplify and make more cost effective the drafting of legislation, the development of engine specifications and the certification of engines to control gaseous and particulate emissions. This standard embraces three concepts in order to achieve the objectives. The first principle is to group applications with similar engine operating characteristics in order to reduce the number of test cycles to a minimum, but ensure that the test cycles are representative of actual engine operation. This ensures that alternative engine applications do not result in a multiplicity of tests.
ISO 8178-4 PDF