SD3051差壓變送器 [產品概述] 　　SD3051差cha壓ya變bian送song器qi有you一yi個ge可ke變bian電dian容rong的de傳chuan感gan器qi組zu件jian。過guo程cheng壓ya力li通tong過guo隔ge離li膜mo片pian和he灌guan充chong油you傳chuan到dao中zhong心xin測ce量liang膜mo片pian上shang，引yin起qi移yi位wei。膜mo片pian和he兩liang側ce固gu定ding電dian容rong極ji板ban之zhi間jian的de電dian容rong差cha由you電dian子zi電dian路lu檢jian測ce並bing轉zhuan換huan為wei4-20mA標準電流信號輸出。