IEC - International Electrotechnical Commission - IEC 60521:1976/COR1:1977

Corrigendum 1 - Class 0.5, 1 and 2 alternating-current watthour meters

revised
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Organization: IEC - International Electrotechnical Commission
Publication Date: 1 May 1977
Status: revised

Document History

March 15, 1988
Class 0.5, 1 and 2 alternating-current watthour meters
Applies only to newly manufactured induction type watt-hour meters of accuracy classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45...
October 1, 1980
Amendment 1 - Class 0.5, 1 and 2 alternating-current watt-hour meters
A description is not available for this item.
IEC 60521:1976/COR1:1977
May 1, 1977
Corrigendum 1 - Class 0.5, 1 and 2 alternating-current watthour meters
A description is not available for this item.
January 1, 1976
Class 0.5, 1 and 2 alternating-current watt-hour meters
Applies only to newly manufactured induction type watt-hour meters of accuracy classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45...
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