BS AU 193a:1990
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
29-06-1990
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. General
4. Fibrous material
5. Permissible noise level
6. Marking and packaging
Appendices
A. Tests for durability of fibrous material
B. Conditioning of exhaust systems containing fibrous
material
C. Methods of measuring noise levels
Tables
1. Maximum noise level for motor cycles or mopeds of
type A
2. Maximum noise level for motor cycles or mopeds of
type B
3. Maximum noise level for motor cycles or mopeds of
type C
4. Distances to be completed during conditioning
5. Number of test bench cycles to be completed by each
class of motor cycle or moped
6. One test bench cycle
Figures
1. Test apparatus for conditioning by pulsation
2. Arrangement of test for measuring motor cycle noise
level (vehicle in motion)
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