XA-800壓力變送器產品特點

◆本安和防爆認證：Ex iaⅡCT5、 Ex dⅡCT6
◆測量范圍：-100KPa～ 0～200Pa～200MPa

◆表壓，絕壓，差壓可選
◆采用防爆式多晶硅薄膜芯片，性能穩定可靠，使用壽命長
◆電源反極性及過電壓保護
◆防爆設計，結構形式多種多樣，安全可靠
◆抗(kang)干擾強，抗(kang)振性強，優良的(de)長期(qi)穩定(ding)性

XA-800壓力變送器051TA絕壓(ya)(ya)(ya)變(bian)(bian)(bian)送(song)器(qi)(qi)(qi)集傳(chuan)(chuan)(chuan)感(gan)(gan)器(qi)(qi)(qi)、電(dian)(dian)(dian)子技術與單(dan)隔離(li)膜(mo)(mo)(mo)片(pian)設計與一體，實現表壓(ya)(ya)(ya)和絕壓(ya)(ya)(ya)測量的(de)校驗量程從0.3到(dao)10000psi 。3051T型壓(ya)(ya)(ya)力(li)(li)變(bian)(bian)(bian)送(song)器(qi)(qi)(qi)工作原理(li)：工作時，高、低壓(ya)(ya)(ya)側(ce)的(de)隔離(li)膜(mo)(mo)(mo)片(pian)和灌充(chong)液將(jiang)過程壓(ya)(ya)(ya)力(li)(li)傳(chuan)(chuan)(chuan)遞(di)給(gei)灌充(chong)液，接著灌充(chong)液將(jiang)壓(ya)(ya)(ya)力(li)(li)傳(chuan)(chuan)(chuan)遞(di)到(dao)傳(chuan)(chuan)(chuan)感(gan)(gan)器(qi)(qi)(qi)中(zhong)心的(de)傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)上。3051壓(ya)(ya)(ya)力(li)(li)變(bian)(bian)(bian)送(song)器(qi)(qi)(qi)傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)是一個張緊(jin)的(de)彈性(xing)元件，其位(wei)移隨所(suo)受壓(ya)(ya)(ya)而(er)變(bian)(bian)(bian)化（對(dui)于3051GP壓(ya)(ya)(ya)力(li)(li)變(bian)(bian)(bian)送(song)器(qi)(qi)(qi)，大氣壓(ya)(ya)(ya)如同施加在傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)的(de)低壓(ya)(ya)(ya)側(ce)一樣）。3051AP絕壓(ya)(ya)(ya)變(bian)(bian)(bian)送(song)器(qi)(qi)(qi)，低壓(ya)(ya)(ya)側(ce)始終保持(chi)一個參考壓(ya)(ya)(ya)力(li)(li)。傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)的(de)較(jiao)大位(wei)移量為0.004英寸（0.1毫米），且位(wei)移量與壓(ya)(ya)(ya)力(li)(li)成(cheng)正比。兩側(ce)的(de)電(dian)(dian)(dian)容(rong)(rong)極板(ban)檢測傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)的(de)位(wei)置。傳(chuan)(chuan)(chuan)感(gan)(gan)膜(mo)(mo)(mo)片(pian)和電(dian)(dian)(dian)容(rong)(rong)極板(ban)之(zhi)間電(dian)(dian)(dian)容(rong)(rong)的(de)差(cha)值被轉(zhuan)換(huan)為相應(ying)的(de)電(dian)(dian)(dian)流，電(dian)(dian)(dian)壓(ya)(ya)(ya)或數字HART（高速可尋址遠(yuan)程發送(song)器(qi)(qi)(qi)數據公路(lu)）輸出信號(hao)。