智能數顯式壓力傳感器分為 擴散硅壓(ya)力變(bian)送器(qi)芯體(ti)和 電容壓(ya)力變(bian)送器(qi)芯體(ti)。擴散硅壓(ya)力變(bian)送器(qi)具(ju)有工(gong)作可(ke)靠、性能(neng)穩(wen)定、安裝(zhuang)使用方便、體(ti)積小、重量輕、性能(neng)價格(ge)比高等點(dian)，能(neng)在各種正負壓(ya)力測量中得到廣泛應用。

壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)兩(liang)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)比較簡單，一般客(ke)戶都(dou)知道(dao)怎(zen)么接(jie)(jie)線(xian)(xian)(xian)(xian)(xian)，一根線(xian)(xian)(xian)(xian)(xian)連(lian)(lian)接(jie)(jie)電源(yuan)(yuan)正極，另(ling)一個(ge)線(xian)(xian)(xian)(xian)(xian)也(ye)就是(shi)(shi)(shi)(shi)(shi)信(xin)號(hao)(hao)(hao)線(xian)(xian)(xian)(xian)(xian)經過儀(yi)器(qi)(qi)(qi)連(lian)(lian)接(jie)(jie)到(dao)電源(yuan)(yuan)負極，這(zhe)種(zhong)是(shi)(shi)(shi)(shi)(shi)的(de)(de)，壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)三線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)是(shi)(shi)(shi)(shi)(shi)在兩(liang)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)基礎上加了一個(ge)線(xian)(xian)(xian)(xian)(xian)，這(zhe)根線(xian)(xian)(xian)(xian)(xian)直(zhi)(zhi)接(jie)(jie)連(lian)(lian)接(jie)(jie)到(dao)電源(yuan)(yuan)的(de)(de)負極，較兩(liang)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)麻煩一點。四(si)(si)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)肯定(ding)是(shi)(shi)(shi)(shi)(shi)兩(liang)個(ge)電源(yuan)(yuan)輸(shu)(shu)(shu)入端，另(ling)外兩(liang)個(ge)是(shi)(shi)(shi)(shi)(shi)信(xin)號(hao)(hao)(hao)輸(shu)(shu)(shu)出(chu)端。四(si)(si)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)的(de)(de)多半(ban)是(shi)(shi)(shi)(shi)(shi)電壓輸(shu)(shu)(shu)出(chu)而不是(shi)(shi)(shi)(shi)(shi)4~20mA輸(shu)(shu)(shu)出(chu)，4~20mA的(de)(de)叫壓力變(bian)送器(qi)(qi)(qi)，多數做成兩(liang)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)的(de)(de)。壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)的(de)(de)信(xin)號(hao)(hao)(hao)輸(shu)(shu)(shu)出(chu)有些(xie)是(shi)(shi)(shi)(shi)(shi)沒有經過放大的(de)(de)，滿(man)(man)量(liang)程(cheng)輸(shu)(shu)(shu)出(chu)只有幾(ji)十毫(hao)伏，而有些(xie)壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)在內部有放大電路(lu)，滿(man)(man)量(liang)程(cheng)輸(shu)(shu)(shu)出(chu)為0~2V。至于怎(zen)么接(jie)(jie)到(dao)顯示(shi)儀(yi)表，要看(kan)儀(yi)表的(de)(de)量(liang)程(cheng)是(shi)(shi)(shi)(shi)(shi)多大，如果有和輸(shu)(shu)(shu)出(chu)信(xin)號(hao)(hao)(hao)相適應的(de)(de)檔(dang)位，就可(ke)以(yi)直(zhi)(zhi)接(jie)(jie)測(ce)量(liang)，否則要加信(xin)號(hao)(hao)(hao)調(diao)整電路(lu)。五線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)壓力傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)與(yu)四(si)(si)線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)相差(cha)不大，市面上五線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)的(de)(de)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)也(ye)比較少

智能數顯式壓力傳感器優點

具有強大的(de)(de)界面(mian)操作(zuo)功能(neng)，數(shu)字表頭(tou)可(ke)以顯示壓(ya)力(li)、百分比(bi)和(he)電流，及(ji)0～100%模擬指示，可(ke)以就(jiu)地顯示極大的(de)(de)方便了現場作(zuo)業，按鍵(jian)操作(zuo)能(neng)方便地在無標準壓(ya)力(li)源的(de)(de)情況下(xia)完(wan)成零點遷移、量程(cheng)設(she)(she)定、阻尼設(she)(she)定等(deng)基本參(can)數(shu)的(de)(de)設(she)(she)置，極大的(de)(de)方便了現場調(diao)試。另外其多功能(neng)的(de)(de)信號(hao)(hao)輸出解決了信號(hao)(hao)遠程(cheng)采集和(he)操控的(de)(de)煩(fan)惱，信號(hao)(hao)可(ke)以遠傳長(chang)達幾百米。

使用方法

壓電式壓力傳感器：

壓(ya)電(dian)效應是壓(ya)電(dian)傳(chuan)感(gan)器的(de)(de)主要工作(zuo)原理，壓(ya)電(dian)傳(chuan)感(gan)器不(bu)(bu)能(neng)(neng)用于靜態(tai)測量(liang)(liang)，因為經過外力作(zuo)用后的(de)(de)電(dian)荷，只(zhi)(zhi)有在回路具有無限大的(de)(de)輸(shu)入阻抗時才得(de)到(dao)保存。實際的(de)(de)情況不(bu)(bu)是這樣的(de)(de)，所以這決定了壓(ya)電(dian)傳(chuan)感(gan)器只(zhi)(zhi)能(neng)(neng)夠(gou)測量(liang)(liang)動態(tai)的(de)(de)應力。

以真空為標準(zhun)表(biao)示的(de)壓(ya)力大小。

接線方法
傳感器的接線一向是客戶采購過程咨詢得多的問題之一，很多客戶都不知道傳感器如何連線，其實各種傳感器的接線方式基本都是一樣的，壓力傳感器一般有兩線制、三線制、四線制，有的還有五線制的。
壓力傳感器(qi)(qi)兩(liang)線(xian)制比較(jiao)簡單(dan)，一(yi)(yi)(yi)般客(ke)戶都(dou)知道怎么接(jie)(jie)線(xian)，一(yi)(yi)(yi)根(gen)線(xian)連(lian)(lian)接(jie)(jie)電源正極(ji)，另一(yi)(yi)(yi)個線(xian)也(ye)就是(shi)信號線(xian)經過儀(yi)器(qi)(qi)連(lian)(lian)接(jie)(jie)到電源負(fu)極(ji)，這種的(de)，壓力傳感器(qi)(qi)三線(xian)制是(shi)在(zai)兩(liang)線(xian)制基礎上加了一(yi)(yi)(yi)個線(xian)，這根(gen)線(xian)直接(jie)(jie)連(lian)(lian)接(jie)(jie)到電源的(de)負(fu)極(ji)，較(jiao)兩(liang)線(xian)制麻煩一(yi)(yi)(yi)點(dian)。