IEC - International Electrotechnical Commission - IEC 60521:1988
Class 0.5, 1 and 2 alternating-current watthour meters
replaced
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 15 March 1988 |
| Status: | replaced |
| Page Count: | 77 |
| ICS Code (Electricity supply systems): | 91.140.50 |
abstract:
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... View More
Document History
IEC 60521:1988
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.
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...