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[单选题]
检定一台0.2级的电流互感器时,某个测量点的误差:在修约前为£0.130%、£«5.50′;修约后为()。
A.-0.14%、+6.0′
B.-0.12%、+6′
C.-0.13%、+5.5′
D.-0.14%、+5.5′
查看答案
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A.-0.14%、+6.0′
B.-0.12%、+6′
C.-0.13%、+5.5′
D.-0.14%、+5.5′
A.±0.01%、±0.5′
B.±0.02%、±1.0′
C.±0.03%、±1.5′
D.±0.04%、±2.0′
A.±0.05%、±0.2′
B.±0.025%、±1.5′
C.±0.03%、±1.5′
D.±0.05%、±1′
A.0.001~0.5
B.0.01~0.5
C.0.002~0.5
D.0.02~0.5