传输线路对变送器仪表校准的影响  

Influence of the Electrical Wire to Transmitter Gauge Calibration

作　　者：尧礼辉[1] 彭先洪[1] YAO Lihui;PENG Xianhong

机构地区：[1]中国人民解放军92601部队

出　　处：《计量与测试技术》2020年第2期6-9,共4页Metrology & Measurement Technique

摘　　要：变送器仪表主要由变送器、传输线路及显示仪表三部分组成,根据输出信号的不同,主要分为直流电流信号变送器和直流电压信号变送器。变送器和显示仪表一般相距几十到几百米甚至更远,两者需要通过传输线路建立联系。在对变送器仪表校准时,不仅要对变送器和显示仪表进行校准,同时要根据信号的传输特点,分析传输线路对不同信号传输的影响。Transmitter gauge is mainly composed of transmitter、electrical wire and display. According to the dissimilarity of the output signal,transmitter is divided into the direct current signal transmitter and the direct voltage signal transmitter. The distance of transmitter and display always be 10 meters or 100 meters even more far,transmitter and display are contacted by electrical wire. When we calibrate the transmitter gauge,we not only need to calibrate transmitter and display,but also analyze the Influence of the electrical wire.

关 键 词：变送器 仪表 传输线路 校准 

分 类 号：TB971[一般工业技术—计量学]