ISO 21069-1:2004

Road vehicles - Test of braking systems on vehicles with a maximum authorized total mass of over 3,5 t using a roller brake tester - Part 1 : pneumatic braking systems

ISO 21069-1:2004 specifies a roller brake test for determining the braking efficiency of road vehicles having a maximum authorized total mass (Code ISO-M08) as defined in ISO 1176 of more than 3,5 t, being of categories M2, M3, N2, N3, O3 and O4 as defined in UNECE R.E.3 and equipped with full power air (pneumatic) braking systems. Also applicable to electronic braking systems (EBS), its purpose is to ensure comparable measurement results from different testers, leading to reliable assessment of the efficiency of service braking systems wherever roller brake tests are performed.

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