壓力變送器在現(xiàn)場(chǎng)安裝時(shí)有關(guān)壓力、差壓變送器反映出工藝參數(shù)不正確的現(xiàn)象很多:有導(dǎo)壓管堵塞的問(wèn)題,有節(jié)流裝置、冷凝罐、導(dǎo)壓管安裝不規(guī)范的問(wèn)題,有電磁干擾的問(wèn)題、還有維