GB/T 7676.3-1998
AbolishedDirect acting indicating analogue electrical measuring instruments and their accessories--Part 3:Special requirements for wattmeters and varmeters
直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功率表的特殊要求
Application Summary AI generated
This standard specifies the special requirements for the accuracy, construction, and testing of direct-acting analogue wattmeters and varmeters used to measure electrical power and reactive power. It is applied in the manufacturing and quality verification of panel-mounted or portable instruments in electrical power systems, industrial control panels, and laboratory testing environments. The standard ensures consistent performance and safety for these meters under specified operating conditions.
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