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压力计的校验

文章来源:http://handanxww.com 发布时间:2018-05-09 浏览次数:177

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(2)校验仪器一活塞式压力计在一个密闭的容器内充满变压器油((6 MPa以下)或蓖麻油((6 MPa以上),如图2-2-19所示。转动手轮使活塞向前推进,对油产生一个压力,这个压力在密闭的系统内向各个方向传递,所以进人标准仪表、被校仪表和标准器的压力都是相等的。

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