FUWUREXIAN
13390804505, 18952362405
一.3051压力变送器工作原理：工作时，高、低压侧的隔离膜片和灌充液将过程压力传递给灌充液，接着灌充液将压力传递到传感器中心的传感膜片上。传感膜片是一个张紧的弹性元件，其位移随所受压而变化（对于GP表压变送器，大气压如同施加在传感膜片的低压侧一样）。AP绝压变送器，低压侧始终保持一个参考压力。传感膜片的*大位移量为0.004英寸（0.1毫米），且位移量与压力成正比。两侧的电容极板检测传感膜片的位置。传感膜片和电容极板之间电容的差值被转换为相应的电流，电压或数字HART（高速可寻址远程发送器数据公路）输出信号。
二.3051压力变送器性能分析：
3051C型、表压与绝压变送器
XINGNENGYOUYI：JINGDU0.075%LIANGCHENGBI100:1
CHAYA：XIAOYANLIANGCHENGCONG0.5inH2OZHI2000psi
BIAOYA：XIAOYANLIANGCHENGCONG2.5inH2OZHI2000psi
JUEDUIYALI：XIAOYANLIANGCHENGCONG0.167psiaZHI4000psia
GUOCHENGGELIMOPIAN：BUXIUGANG，HASHIHEJINCR，MENGNAIERR，TAN（JINXIANCD，CG）JIDUJINMENGNAIER
SHEJIXIAOQIAO、JIANGUERZHIQING，YIYUANZHUANG
3051TXINGBIAOYAYUJUEDUIBIANSONGQI
XINGNENGYOUYI：JINGDU0.075%
JUEDUIYALI：XIAOYANLIANGCHENGCONG0.3ZHI10000psi
BIAOYA：XIAOYANLIANGCHENGCONG0.3ZHI10000psi
BUXIUGANGYUHASHIHEJINCRGUOCHENGGELIMOPIAN
DANGELIMOPIANSHEJI
GUANCHONGYE：GUIYOUYUDUOXINGYOU
KEXUANDINYUAutoclaveXIANGPEIDEGUOCHENGLIANJIE
3051LXINGYEWEIBIANSONGQI
YEWEICELIANGJINGDUDA0.075%
XIAOYANLIANGCHENGCONG2.5inH2OZHI8310inH2O
PINGMIANSHI，2-，4-，YU6YINGCUNSHENCHUSHIMOPIAN
DUOZHONGKEXUANGUANCHONGYE，KEMANZUBUTONGCHANGHEYAOQIU
XIAOQIAOERZHIQING，YIYUANZHUANGYUWEIHU
JIEYEJIANCAILIAO：BUXIUGANG，HASHIHEJINHETAN
3051HXINGGAOGUOCHENGWENDUYALIBIANSONGQI
KECEGUOCHENGWENDUGAODA375°F（191°C），QIEBUXUSHIYONGYUANCHUANMOPIANMIFENGHUOMAOXIGUAN
JINGDU0.075%，LIANGCHENGBI100：1
GAOWENYINGYONGCHANGHEXIA，WENDUYINGXIANGYUSHIJIANXIANGYINGJIANSHAO
CHUANGANMOTOUHEXIANLUBANYU3051CXINGXIANGTONG
3051PXINGCANKAOJIYALIBIANSONGQI
JINGDU0.05%—MUQIANJINGDU*GAODEYALIBIANSONGQI
MAOYIJIAOJIE，CAIZHENGCESUANYUFENPEICELIANGDELIXIANGCHANPIN
WUKEBINIDEXINGNENG，BUZAIXUYAOCHUBEIDUOZHONGBIANSONGQI
WENDUYINGXIANGJIANSHAO，BUXUDANDUDEWAITAO
KEYONGYUCHAYAYUBIAOYACELIANG
3051CXINGDIGONGHAOYALIBIANSONGQI，ZHINENGXINGDIGONGHAOYALIBIANSONGQI
GAOXINGNENG，JINGDU0.075%
CHAYA、BIAOYAHEJUEYAXING
JUYOU3051CXINGDEQUANBUGONGNENG，BAOKUOYOUYIGEZHENZHENGDESHUZIBIAOTOU
6ZHI12VZHILIUGONGDIANXIAGONGZUO
HAODIAN18ZHI36mW，ERDIANXING4—20mABIANSONGQIHAODIANLIANGWEI200mWYISHANG
0.8—3.2VYU1—5VSHUCHUKEXUAN
CHUANGANMOTOUYUBIAOZHUN（4—20mA）3051CXINGXIANGTONG