一台压力表的刻度范围为0~100kPa,在50kPa处计量检定值为49.5kPa,该

题型:单项选择题

问题:

一台压力表的刻度范围为0~100kPa,在50kPa处计量检定值为49.5kPa,该表在50kPa处示值引用误差是()。

A、1%

B、±1%

C、0.5%

D、±0.5%

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