DPB-Ⅲ型平膜应变式二线制压力变送器  

DPB-Ⅲ Plat Membrane Strain Type Two-Wire Pressure Transmitter

作　　者：黄敏成 

机构地区：[1]杭州龙泰自动化仪表厂,杭州310015

出　　处：《自动化仪表》1997年第7期18-20,共3页Process Automation Instrumentation

摘　　要：重点叙述了平膜应变式压力传感器弹性元件的选材特点、结构设计原理与最佳应力分布分析.分析说明了二线制变送器的恒流源设计及变送器的整机电路.文末提供了试验数据:变送器非线性误差优于0.15%.The material selection for elastomer, structure design principle and the analysis on optimal pressure distribution for the strain type pressure transmitter with plat membrane are described. The design of the constant current source in two-wire transmitter and the integrated transmitter circuit are analysed. The test result shows that the non-linear error of the transmitter is better than 0.15%.

关 键 词：压力 变送器 传感器 平膜结构 二线制 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TH812[自动化与计算机技术—控制科学与工程]