Defines the methods by which the sound levels of transformers, reactors and their associated cooling equipment shall be determined so that compliance with any specification requirements may be confirmed and the characteristic of noise emitted in service determined.
WITHDRAWN
HD 399 S2:1991
WITHDRAWN
EN 60551:1992
99.60
Withdrawal effective
Jun 1, 2004
WITHDRAWN
EN 60551:1992/A1:1997
WITHDRAWN
EN 60076-10:2001