IEC 60268-17 Ed. 1.0现行
Sound system equipment. Part 17: Standard volume indicators
出版：International Electrotechnical Committee
专家解读视频
Gives the characteristics to be specified, performance requirements and the relevant methods of measurement for electromechanical volume indicators. The concept of 'volume' is a practical way of assigning a numerical value to the magnitude of electrical speech and music programme signals. The contents of the corrigendum of September 1991 have been included in this copy.
UNE 20502-17:1996 - Identical
SS IEC 268-17 Ed. 1 (1997) - Identical
BS 6840-17:1991 - Equivalent
NFC 97 317:1992 - Identical
HD 483.17:1992 - Identical
GB/T 17311-1998 - Identical
DIN IEC 60268-17 (1992-08) - Identical
NEN 10268-17:1991 - Identical
CEI 84-15 Ed. 1 (1998) - Identical
