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British & International Standards
BS 5944
Hydraulic Fluid Power Systems - Airborne Noise




 
Standard Number BS 5944-1:1992, ISO 4412-1:1991
 
Title Measurement of airborne noise from hydraulic fluid power systems and components. Method of test for pumps
 
Status Current, Under review
 
Publication Date 15 December 1992
 
Confirm Date 01 January 2003
 
Cross References BS 4196:Part 4, BS 4196:Part 5, BS 4231, BS 4727:Part 3:Group 08, BS 5969, BS 6276, BS 6413:Part 4, ISO 2204, ISO 5598
 
Replaces BS 5944:Part 1:1980, ISO 4412/1-1979, BS 5944:Part 3:1980
 
International Relationships ISO 4412-1:1991 Identical
 
Supersedes Draft 89/78174 DC
 
Descriptors Hydraulic transmission systems, Hydraulic equipment, Pumps, Noise (environmental), Sound intensity, Acoustic measurement, Testing conditions, Acoustic testing, Measurement characteristics, Test equipment, Errors, Standard deviation, Grades (quality), Position
 
ICS 17.140.20 (Noise emitted by machines and equipment)
ICS 23.100.10 (Pumps and motors)


Standard Number BS 5944-2:1992, ISO 4412-2:1991
 
Title Measurement of airborne noise from hydraulic fluid power systems and components. Method of test for motors
 
Status Current, Under review
 
Publication Date 15 December 1992
 
Confirm Date 01 January 2003
 
Cross References BS 4196:Part 4, BS 4196:Part 5, BS 4231, BS 4727:Part 3:Group 08, BS 5969, BS 6276, BS 6413:Part 4, ISO 2204, ISO 5598
 
Replaces BS 5944:Part 2:1980, BS 5944:Part 3:1980
 
International Relationships ISO 4412-2:1991 Identical
 
Supersedes Draft 89/78172 DC
 
Descriptors Hydraulic transmission systems, Noise (environmental), Hydraulic equipment, Hydraulic motors, Acoustic measurement, Sound intensity, Testing conditions, Test equipment, Errors, Acoustic testing, Standard deviation, Error correction, Position, Grades (quality)
 
ICS 17.140.20 (Noise emitted by machines and equipment)
ICS 23.100.10 (Pumps and motors)


Standard Number BS 5944-4:1984
 
Title Measurement of airborne noise from hydraulic fluid power systems and components. Method of determining sound power levels from valves controlling flow and pressure
 
Abstract Describes procedures for the determination of sound power levels of a hydraulic fluid power valve under controlled conditions of installation and operation, suitable for providing a basis for comparing the noise levels of valves.
 
Status Confirmed, Current
 
Publication Date 30 March 1984
 
Confirm Date 01 January 2006
 
Cross References BS 661, BS 2511, BS 4196:Part 0, BS 4196:Part 2, BS 4196:Part 3, BS 4196:Part 4, BS 4196:Part 5, BS 4231, BS 4385, BS 5969, BS 6413:Part 4, ISO 2204, ISO 2944
 
Supersedes Draft 83/72219 DC
 
Descriptors Hydraulic transmission systems, Noise (environmental), Acoustic measurement, Sound intensity, Valves, Hydraulically-operated devices, Cavitation, Free-field rooms, Testing conditions, Flow regulators, Pressure regulators, Liquid valves
 
ICS 17.140.20
ICS 23.100.50


Standard Number BS 5944-5:1985
 
Title Measurement of airborne noise from hydraulic fluid power systems and components. Simplified method of determining sound power levels from pumps using an anechoic chamber
 
Abstract Describes simplified procedures for the determination of the sound power levels of a hydraulic fluid power pump under controlled conditions of installation and operation using a quadrispherical microphone array in an anechoic chamber. These procedures provide a basis for comparing noise levels of pumps.
 
Status Confirmed, Current
 
Publication Date 31 July 1985
 
Confirm Date 01 January 2006
 
Cross References BS 661, BS 4196:Part 0, BS 4196:Part 4, BS 4231, BS 5944:Part 1, BS 5944:Part 2, BS 5944:Part 3, BS 5944:Part 4, BS 5969, BS 6413:Part 4, ISO/DIS 3748
 
Supersedes Draft 84/76091 DC
 
Descriptors Hydraulic transmission systems, Pumps, Hydraulic equipment, Noise (environmental), Acoustic measurement, Sound intensity, Free-field rooms, Testing conditions, Installation, Error correction
 
ICS 17.140.20
ICS 23.100.10


Standard Number BS 5944-6:1992, ISO 4412-3:1991
 
Title Measurement of airborne noise from hydraulic fluid power systems and components. Method of test for pumps using a parallelepiped microphone array
 
Status Current, Under review
 
Publication Date 15 December 1992
 
Confirm Date 01 January 2003
 
Cross References BS 4196:Part 4, BS 4231, BS 5944:Part 1, BS 5944:Part 2, BS 5969, BS 6413:Part 4, ISO 5598
 
International Relationships ISO 4412-3:1991 Identical
 
Supersedes Draft 89/78173 DC
 
Descriptors Pumps, Hydraulic transmission systems, Hydraulic equipment, Noise (environmental), Sound intensity, Acoustic measurement, Measurement characteristics, Acoustic testing, Test equipment, Errors, Standard deviation, Environment (working), Position, Grades (quality)
 
ICS 17.140.20 (Noise emitted by machines and equipment)
ICS 23.100.10 (Pumps and motors)


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