题目内容
(请给出正确答案)
[单选题]
用比较法检定0.2级功率变送器,其检定装置的输出功率稳定度应不超过()。
A.0.02%/min
B.0.01%/min
C.0.005%/min
D.0.05%/min
答案
B、0.01%/min
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A.0.02%/min
B.0.01%/min
C.0.005%/min
D.0.05%/min
B、0.01%/min
A.±0.02%、±0.5′
B.±0.015%、±0.45′
C.±0.02%、±1′
D.±0.015%、±1.5′
A.-0.14%、+6.0′
B.-0.12%、+6′
C.-0.13%、+5.5′
D.-0.14%、+5.5′