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Status : Active
Standard Type : Main
Document No : ISO 29042-4:2009
Document Year : 2009
Pages : 10
Edition : 1
Section Volume : Safety of machinery (ISO/TC 199.)
ISO 29042-4:2009 specifies a method based on a tracer technique for measuring the capture efficiency of an exhaust system installed on a machine. It is applicable to all types of test environment — test bench, room or field (see ISO 29042-1) — but is only applicable if the tracer shows aerodynamic behaviour comparable to that of the real pollutant.