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[单选题]
0.05级检定装置在在cosφ=0.5C时,允许的测量误差为()%。
A.±0.05
B.±0.1
C.±0.2
D.±0.3
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.±0.05
B.±0.1
C.±0.2
D.±0.3
A.5组、每组测16s
B.10组、每组测16s
C.10组、每组测60s
D.10组、每组测20s
A.常用量限的上限,cosφ=1.0,最大负载和最小负载
B.常用量限的上限,cosφ=1.0和cosφ=0.5感性最大负载
C.常用量限的上限,cosφ=1.0和cosφ=0.5感性最大负载和最小负载
D.常用量限的下限,cosφ=1.0,最大负载和最小负载