National foreword
Cooperating organizations
Method
1. Scope
2. Field of application
3. References
4. General
5. Definitions
6. Symbols and abbreviations
7. Instruments
8. Vibration test stand
9. Test arrangement
10. Test input vibration
11. Test procedure
12. Acceptance levels
13. Test report
Tables
1. Frequency weighting factors
2. Machine classes
3. Equations for PSD curves
4. Test input levels and tolerances
Figures
1. Design for rigid disc with accelerometer assembly
bonded at centre
2. Design for semi-rigid disc of approximately 80-90
durometer (A-scale) moulded rubber, plastic, etc.
3. Measurement axis
4. Filter response in vertical mode
5. Diagram of vibration test stand for driving seat
tests
6. Class 1 - 2,35 m/s squared true rms
7. Class 2 - 2,05 m/s squared true rms
8. Class 3 - 1,90 m/s squared true rms
9. Class 4 - 1,60 m/s squared true rms