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本文将介绍双法兰差压变送器自压校验台的制作和调校原理。重点以美国ＦＯＸＢＯＲＯ公司生产的８２３ＤＰ双法兰差压变送器为例说明校验方法，此方法也部分适用其他电回型双法兰差压变送器。
This article will introduce the production and adjustment principle of double flange differential pressure transmitter self-pressure calibration bench. Focus on the United States FOXBORO company produced 823DP double flange differential pressure transmitter as an example of verification methods, this method is also partially applicable to other types of double-flanged electrical differential pressure transmitter.