ISO 21069-2:2008 Preview
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 2: Air over hydraulic and purely hydraulic braking systems
This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
ISO 21069-2:2008 describes a procedure that generates comparable measurement results in roller brake testing, such that the efficiency of the service braking system can be assessed reliably wherever the roller brake tests are performed.
The following items are covered in ISO 21069-2:2008:
- symbols and definitions;
- test methods;
- test conditions;
- test equipment required;
- accuracy of test equipment;
- data recording and calculation needed;
- presentation of results;
- assessment criteria for pass/fail.
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