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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.140 Acoustics and acoustic measurements>17.140.20 Noise emitted by machines and equipment>BS 5944-6:1992 Measurement of airborne noise from hydraulic fluid power systems and components Method of test for pumps using a parallelepiped microphone array
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immediate downloadReleased: 1992-12-15
BS 5944-6:1992 Measurement of airborne noise from hydraulic fluid power systems and components Method of test for pumps using a parallelepiped microphone array

BS 5944-6:1992

Measurement of airborne noise from hydraulic fluid power systems and components Method of test for pumps using a parallelepiped microphone array

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Standard number:BS 5944-6:1992
Pages:14
Released:1992-12-15
ISBN:0 580 21397 8
Status:Standard
DESCRIPTION

BS 5944-6:1992


This standard BS 5944-6:1992 Measurement of airborne noise from hydraulic fluid power systems and components is classified in these ICS categories:
  • 17.140.20 Noise emitted by machines and equipment
  • 23.100.10 Pumps and motors

This part of ISO 4412 describes procedures for the determination of the sound power levels of a hydraulic fluid power pump, under controlled conditions of installation and operation, suitable for providing a basis for comparing the noise levels of pumps in terms of

  • A-weighted sound power level;
  • one-third octave band power level.

From these sound power levels, if required, reference sound pressure levels may be calculated for reporting purposes (see clause 11).

For general purposes, the frequency range of interest includes the one-third octave bands with centre frequencies between 100 Hz and 10 000 Hz1).

This part of ISO 4412 is applicable to all types of hydraulic fluid power pumps operating under steady-state conditions, irrespective of size, except for any limitations imposed by the size of the test environment (see clause 3).