BS 5944-6:1992
Current
The latest, up-to-date edition.
Measurement of airborne noise from hydraulic fluid power systems and components Method of test for pumps using a parallelepiped microphone array
Hardcopy , PDF
English
15-12-1992
Committees responsible
National foreword
Introduction
Method
1 Scope
2 Normative references
3 Definitions
4 Measurement uncertainty
5 Test environment
6 Instrumentation
7 Installation conditions
8 Operating conditions
9 Location and number of sound measurement points
10 Test procedure
11 Calculation of surface sound pressure levels and
sound power levels
12 Information to be recorded
13 Test report
14 Identification statement
Annexes
A Errors and classes of measurement
B Bibliography
Tables
1 Standard deviation of sound power level
determinations
2 Allowable variations of mean indicated values of
controlled parameters
3 Coordinates of microphone locations shown in figure
1
A.1 Permissible systematic errors of measuring
instruments as determined during calibration
Figures
1 Microphone array on rectangular parallelepiped
measuring surface
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