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[单选题]
电能表检定装置中0.1级标准电能表,在检定电子表时,累计脉冲数不应少于()。
A.10000
B.5000
C.2000
D.1000
查看答案
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A.10000
B.5000
C.2000
D.1000
A.0.05级标准表,0.01级互感器
B.0.1级标准电能表,0.01级互感器
C.0.1级标准表,0.02级互感器
D.0.05级标准表,0.005级互感器
A.标准表与被检表同相端钮间的电位差
B.标准表端钮上电压与被检表端钮上电压的算术差
C.被检表和电压互感器初级同相间两对电压端钮间的电位差之和
D.被检表和电压互感器初级同相间单根导线上的电位差