ISO 4412-3:1991
Current
The latest, up-to-date edition.
Hydraulic fluid power — Test code for determination of airborne noise levels — Part 3: Pumps — Method using a parallelepiped microphone array
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
08-22-1991
This part closely follows the methods described in the two other parts, but allows the use of alternative pump mounting and drive configurations which are simpler and cheaper to implement in an anechoic chamber. May also be applied to test motors.
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