壓力傳(chuan)感(gan)器(qi)(qi)引是(shi)工業(ye)(ye)實(shi)踐中較為常(chang)用的(de)一種傳(chuan)感(gan)器(qi)(qi)，其普遍應(ying)用于各(ge)種工業(ye)(ye)自控環境，涉(she)及(ji)水(shui)利水(shui)電(dian)、鐵(tie)路交通、智能建筑、生產自控、航空(kong)航天、石化、油井(jing)、電(dian)力、船舶(bo)、機(ji)床、管道等(deng)(deng)眾多行業(ye)(ye)。超(chao)聲波測(ce)(ce)距離傳(chuan)感(gan)器(qi)(qi)采(cai)用超(chao)聲波回波測(ce)(ce)距原(yuan)理，運用精確(que)的(de)時(shi)差測(ce)(ce)量技術，檢測(ce)(ce)傳(chuan)感(gan)器(qi)(qi)與目標物(wu)之間(jian)的(de)距離，采(cai)用小(xiao)角(jiao)度，小(xiao)盲區超(chao)聲波傳(chuan)感(gan)器(qi)(qi)，具(ju)有(you)測(ce)(ce)量準確(que)，無接觸(chu)，防(fang)水(shui)，防(fang)腐蝕(shi)，低成本等(deng)(deng)優點，可應(ying)于液(ye)位(wei)，物(wu)位(wei)檢測(ce)(ce)，特有(you)的(de)液(ye)位(wei)，料(liao)位(wei)檢測(ce)(ce)方(fang)式，可保證在液(ye)面有(you)泡沫或大的(de)晃動，不易檢測(ce)(ce)到回波的(de)情況下有(you)穩定的(de)輸出，應(ying)用行業(ye)(ye)：液(ye)位(wei)，物(wu)位(wei)，料(liao)位(wei)檢測(ce)(ce)，工業(ye)(ye)過程控制等(deng)(deng)。酸、堿、鹽濃度傳(chuan)感(gan)器(qi)(qi)主要由電(dian)導池、電(dian)子模塊、顯示表頭和殼體組(zu)成。久(jiu)茂JUMO流量傳(chuan)感(gan)器(qi)(qi)現貨供應(ying)

傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)千(qian)差萬別，即便對于(yu)相同(tong)種(zhong)類的(de)(de)(de)(de)(de)(de)(de)測定(ding)量(liang)(liang)(liang)也可采(cai)(cai)用(yong)不(bu)(bu)同(tong)工作(zuo)原理的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)，因此，要(yao)(yao)根據需要(yao)(yao)選(xuan)用(yong)較(jiao)適宜的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)。(1)測量(liang)(liang)(liang)條(tiao)件(jian)：如(ru)果(guo)誤選(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)，就會降(jiang)低系(xi)統的(de)(de)(de)(de)(de)(de)(de)可靠性(xing)(xing)(xing)。為(wei)此，要(yao)(yao)從系(xi)統總體考慮，明(ming)確使(shi)用(yong)的(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)以(yi)及(ji)采(cai)(cai)用(yong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)必(bi)要(yao)(yao)性(xing)(xing)(xing)，很對不(bu)(bu)要(yao)(yao)采(cai)(cai)用(yong)不(bu)(bu)適宜的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)與不(bu)(bu)必(bi)要(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)。測量(liang)(liang)(liang)條(tiao)件(jian)列(lie)舉(ju)如(ru)下，即測量(liang)(liang)(liang)目(mu)的(de)(de)(de)(de)(de)(de)(de)，測量(liang)(liang)(liang)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)選(xuan)定(ding)，測量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)范(fan)圍，輸(shu)入信(xin)號(hao)的(de)(de)(de)(de)(de)(de)(de)帶寬，要(yao)(yao)求的(de)(de)(de)(de)(de)(de)(de)精度(du)，測量(liang)(liang)(liang)所需要(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)時(shi)間(jian)，過輸(shu)入發(fa)生的(de)(de)(de)(de)(de)(de)(de)頻繁程度(du)。(2)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)能：選(xuan)用(yong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)時(shi)，要(yao)(yao)考慮傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)下述(shu)性(xing)(xing)(xing)能，即精度(du)，穩(wen)定(ding)性(xing)(xing)(xing)，響應速(su)度(du)，模(mo)擬信(xin)號(hao)或者數字信(xin)號(hao)，輸(shu)出量(liang)(liang)(liang)及(ji)其電平，被測對象特性(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)影響，校準周(zhou)期，過輸(shu)人保護。(3)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)條(tiao)件(jian)：傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)條(tiao)件(jian)即為(wei)設置的(de)(de)(de)(de)(de)(de)(de)場所，環(huan)境(濕度(du)、溫度(du)、振動等)，測量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)時(shi)間(jian)，與顯示器(qi)(qi)(qi)(qi)(qi)之間(jian)的(de)(de)(de)(de)(de)(de)(de)信(xin)號(hao)傳(chuan)(chuan)(chuan)(chuan)(chuan)輸(shu)距(ju)離(li)，與外(wai)設的(de)(de)(de)(de)(de)(de)(de)連接方式(shi)，供電電源容量(liang)(liang)(liang)。久茂JUMO流量(liang)(liang)(liang)傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)現貨供應稱(cheng)重傳(chuan)(chuan)(chuan)(chuan)(chuan)感器(qi)(qi)(qi)(qi)(qi)是(shi)一種(zhong)能夠將重力轉變(bian)為(wei)電信(xin)號(hao)的(de)(de)(de)(de)(de)(de)(de)力→電轉換裝置，是(shi)電子衡器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)一個(ge)關鍵部件(jian)。

溫(wen)(wen)(wen)(wen)(wen)度(du)(du)傳(chuan)(chuan)(chuan)(chuan)感器該(gai)設(she)備(bei)(bei)從源(yuan)頭(tou)收(shou)集有關溫(wen)(wen)(wen)(wen)(wen)度(du)(du)的(de)(de)(de)(de)信(xin)息，并(bing)轉(zhuan)換成(cheng)其(qi)他設(she)備(bei)(bei)或(huo)人可(ke)以理解(jie)的(de)(de)(de)(de)形(xing)(xing)式(shi)(shi)。溫(wen)(wen)(wen)(wen)(wen)度(du)(du)傳(chuan)(chuan)(chuan)(chuan)感器的(de)(de)(de)(de)較佳(jia)例證是(shi)玻璃水(shui)堿溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計，會隨著溫(wen)(wen)(wen)(wen)(wen)度(du)(du)的(de)(de)(de)(de)變化(hua)而膨脹和(he)收(shou)縮。外部溫(wen)(wen)(wen)(wen)(wen)度(du)(du)是(shi)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)測(ce)(ce)量(liang)的(de)(de)(de)(de)來源(yuan)，觀察者觀察汞的(de)(de)(de)(de)位置以測(ce)(ce)量(liang)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。溫(wen)(wen)(wen)(wen)(wen)度(du)(du)傳(chuan)(chuan)(chuan)(chuan)感器有兩種(zhong)基本(ben)類(lei)(lei)型(xing)(xing)：接(jie)觸(chu)式(shi)(shi)傳(chuan)(chuan)(chuan)(chuan)感器——這(zhe)(zhe)種(zhong)類(lei)(lei)型(xing)(xing)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)感器需(xu)要與(yu)(yu)被感測(ce)(ce)對(dui)象或(huo)介質直接(jie)物理接(jie)觸(chu)。例如溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計。非接(jie)觸(chu)式(shi)(shi)傳(chuan)(chuan)(chuan)(chuan)感器——這(zhe)(zhe)種(zhong)類(lei)(lei)型(xing)(xing)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)感器不(bu)(bu)需(xu)要與(yu)(yu)被檢測(ce)(ce)的(de)(de)(de)(de)物體或(huo)介質發生(sheng)任(ren)何物理接(jie)觸(chu)。它(ta)們監(jian)控非反射性(xing)固體和(he)液體，但由(you)于(yu)天然(ran)透(tou)明性(xing)，因此(ci)對(dui)氣體無用。這(zhe)(zhe)些(xie)傳(chuan)(chuan)(chuan)(chuan)感器使用普朗克(ke)定律測(ce)(ce)量(liang)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。該(gai)定律處理從熱源(yuan)輻射的(de)(de)(de)(de)熱量(liang)以測(ce)(ce)量(liang)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。不(bu)(bu)同類(lei)(lei)型(xing)(xing)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)傳(chuan)(chuan)(chuan)(chuan)感器的(de)(de)(de)(de)工作(zuo)原理及實(shi)例：熱電(dian)(dian)偶——它(ta)們由(you)兩根(gen)電(dian)(dian)線(xian)組(zu)成(cheng)，通過(guo)在一端(duan)(duan)的(de)(de)(de)(de)連接(jie)形(xing)(xing)成(cheng)測(ce)(ce)量(liang)接(jie)頭(tou)，該(gai)測(ce)(ce)量(liang)接(jie)頭(tou)對(dui)被測(ce)(ce)元件開放。電(dian)(dian)線(xian)的(de)(de)(de)(de)另一端(duan)(duan)端(duan)(duan)接(jie)到測(ce)(ce)量(liang)設(she)備(bei)(bei)，在此(ci)形(xing)(xing)成(cheng)參考結(jie)。由(you)于(yu)兩個結(jie)點的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)不(bu)(bu)同，電(dian)(dian)流流過(guo)電(dian)(dian)路，測(ce)(ce)量(liang)得到的(de)(de)(de)(de)毫伏來確定結(jie)點的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。電(dian)(dian)阻(zu)(zu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)檢測(ce)(ce)器——這(zhe)(zhe)是(shi)一種(zhong)熱電(dian)(dian)阻(zu)(zu)，其(qi)制造(zao)目的(de)(de)(de)(de)是(shi)隨著溫(wen)(wen)(wen)(wen)(wen)度(du)(du)的(de)(de)(de)(de)變化(hua)改變電(dian)(dian)阻(zu)(zu)，它(ta)們比任(ren)何其(qi)他溫(wen)(wen)(wen)(wen)(wen)度(du)(du)檢測(ce)(ce)設(she)備(bei)(bei)都貴。熱敏電(dian)(dian)阻(zu)(zu)——它(ta)們是(shi)另一種(zhong)電(dian)(dian)阻(zu)(zu)，電(dian)(dian)阻(zu)(zu)的(de)(de)(de)(de)大變化(hua)與(yu)(yu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)的(de)(de)(de)(de)小變化(hua)成(cheng)正比。

能(neng)(neng)感受(shou)規(gui)(gui)定(ding)的(de)(de)(de)(de)被測(ce)(ce)量(liang)(liang)并按照一定(ding)的(de)(de)(de)(de)規(gui)(gui)律(數(shu)學函(han)數(shu)法則)轉換(huan)(huan)成(cheng)(cheng)可用(yong)信(xin)號(hao)的(de)(de)(de)(de)器(qi)(qi)(qi)件(jian)或裝置，通(tong)常(chang)由敏感元(yuan)件(jian)和(he)(he)轉換(huan)(huan)元(yuan)件(jian)組成(cheng)(cheng)的(de)(de)(de)(de)設備(bei)即(ji)傳感器(qi)(qi)(qi)。傳感器(qi)(qi)(qi)將(jiang)物理參數(shu)（例(li)如：溫(wen)(wen)(wen)度(du)(du)(du)、血壓(ya)、濕度(du)(du)(du)、速(su)度(du)(du)(du)等）轉換(huan)(huan)成(cheng)(cheng)可以(yi)用(yong)電測(ce)(ce)量(liang)(liang)的(de)(de)(de)(de)信(xin)號(hao)。我們可以(yi)先來(lai)解(jie)釋(shi)一下(xia)溫(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)(de)例(li)子，玻璃(li)溫(wen)(wen)(wen)度(du)(du)(du)計中的(de)(de)(de)(de)水堿(jian)使液體膨脹(zhang)和(he)(he)收縮，從而將(jiang)測(ce)(ce)量(liang)(liang)到的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)轉換(huan)(huan)為可被校準玻璃(li)管(guan)上的(de)(de)(de)(de)觀察者(zhe)讀取的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)。在(zai)選擇傳感器(qi)(qi)(qi)時，必須考(kao)慮某(mou)些特性(xing)(xing)，具(ju)體如下(xia)：1.精度(du)(du)(du)——傳感器(qi)(qi)(qi)的(de)(de)(de)(de)精度(du)(du)(du)只要(yao)滿足(zu)整個測(ce)(ce)量(liang)(liang)系統的(de)(de)(de)(de)精度(du)(du)(du)要(yao)求就可以(yi)，不必過高，通(tong)常(chang)精度(du)(du)(du)越高，其(qi)價格(ge)越昂貴。2.線(xian)型范(fan)圍——輸(shu)入與輸(shu)出(chu)成(cheng)(cheng)正比的(de)(de)(de)(de)范(fan)圍。3.測(ce)(ce)量(liang)(liang)環境——一般對(dui)(dui)溫(wen)(wen)(wen)度(du)(du)(du)/濕度(du)(du)(du)量(liang)(liang)有要(yao)求。4.校準——對(dui)(dui)于大(da)多數(shu)測(ce)(ce)量(liang)(liang)設備(bei)而言必不可少，因為讀數(shu)會隨(sui)時間(jian)變(bian)化。5.穩定(ding)性(xing)(xing)——傳感器(qi)(qi)(qi)使用(yong)一段時間(jian)后，其(qi)性(xing)(xing)能(neng)(neng)保(bao)持(chi)不變(bian)的(de)(de)(de)(de)能(neng)(neng)力稱為穩定(ding)性(xing)(xing)。位移傳感器(qi)(qi)(qi)又(you)稱為線(xian)性(xing)(xing)傳感器(qi)(qi)(qi)，把(ba)位移轉換(huan)(huan)為電量(liang)(liang)的(de)(de)(de)(de)傳感器(qi)(qi)(qi)。

熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)阻溫(wen)(wen)(wen)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)是(shi)由(you)基準單元、R/V轉(zhuan)換(huan)單元、線(xian)(xian)性(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、反接(jie)保(bao)護(hu)(hu)、限(xian)(xian)(xian)流(liu)保(bao)護(hu)(hu)、V/I轉(zhuan)換(huan)單元等(deng)組(zu)成(cheng)。測(ce)溫(wen)(wen)(wen)熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)阻信(xin)(xin)號(hao)(hao)轉(zhuan)換(huan)放大(da)(da)后(hou)，再由(you)線(xian)(xian)性(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)對溫(wen)(wen)(wen)度(du)(du)(du)與電(dian)(dian)(dian)(dian)(dian)(dian)阻的(de)非(fei)線(xian)(xian)性(xing)(xing)(xing)關(guan)系進行補(bu)償(chang)，經V/I轉(zhuan)換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)后(hou)輸(shu)出(chu)一(yi)(yi)個與被測(ce)溫(wen)(wen)(wen)度(du)(du)(du)成(cheng)線(xian)(xian)性(xing)(xing)(xing)關(guan)系的(de)4～20mA的(de)恒流(liu)信(xin)(xin)號(hao)(hao)。熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)溫(wen)(wen)(wen)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)一(yi)(yi)般(ban)由(you)基準源、冷(leng)(leng)端(duan)補(bu)償(chang)、放大(da)(da)單元、線(xian)(xian)性(xing)(xing)(xing)化(hua)(hua)處理(li)、V/I轉(zhuan)換(huan)、斷(duan)(duan)偶(ou)處理(li)、反接(jie)保(bao)護(hu)(hu)、限(xian)(xian)(xian)流(liu)保(bao)護(hu)(hu)等(deng)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)單元組(zu)成(cheng)。它是(shi)將熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)產(chan)生的(de)熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)勢經冷(leng)(leng)端(duan)補(bu)償(chang)放大(da)(da)后(hou)，再帽由(you)線(xian)(xian)性(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)消除熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)勢與溫(wen)(wen)(wen)度(du)(du)(du)的(de)非(fei)線(xian)(xian)性(xing)(xing)(xing)誤差(cha)，較后(hou)放大(da)(da)轉(zhuan)換(huan)為4～20mA電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)輸(shu)出(chu)信(xin)(xin)號(hao)(hao)。為防止熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)測(ce)量(liang)(liang)中由(you)于電(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)斷(duan)(duan)絲(si)而(er)使控(kong)溫(wen)(wen)(wen)失(shi)效造成(cheng)事故，傳(chuan)(chuan)(chuan)感(gan)器(qi)中還(huan)設有斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)。當熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)斷(duan)(duan)絲(si)或(huo)(huo)接(jie)解不良時，傳(chuan)(chuan)(chuan)感(gan)器(qi)會輸(shu)出(chu)較大(da)(da)值(zhi)（28mA）以使儀表切斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)源。一(yi)(yi)體化(hua)(hua)溫(wen)(wen)(wen)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)具有結(jie)構簡(jian)單、節(jie)省引線(xian)(xian)、輸(shu)出(chu)信(xin)(xin)號(hao)(hao)大(da)(da)、抗干擾能力強、線(xian)(xian)性(xing)(xing)(xing)好(hao)、顯示(shi)儀表簡(jian)單、固體模塊抗震防潮、有反接(jie)保(bao)護(hu)(hu)和(he)限(xian)(xian)(xian)流(liu)保(bao)護(hu)(hu)、工作可靠(kao)等(deng)優(you)點(dian)。一(yi)(yi)體化(hua)(hua)溫(wen)(wen)(wen)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)的(de)輸(shu)出(chu)為統一(yi)(yi)的(de)4～20mA信(xin)(xin)號(hao)(hao)；可與微機(ji)系統或(huo)(huo)其(qi)它常(chang)規儀表匹配使用。也可用戶要(yao)求做成(cheng)防爆型(xing)或(huo)(huo)防火型(xing)測(ce)量(liang)(liang)儀表。熱(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)(dian)阻傳(chuan)(chuan)(chuan)感(gan)器(qi)主要(yao)是(shi)利用電(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)隨(sui)溫(wen)(wen)(wen)度(du)(du)(du)變(bian)化(hua)(hua)而(er)變(bian)化(hua)(hua)這一(yi)(yi)特性(xing)(xing)(xing)來測(ce)量(liang)(liang)溫(wen)(wen)(wen)度(du)(du)(du)及與溫(wen)(wen)(wen)度(du)(du)(du)有關(guan)的(de)參數。沈(shen)陽哪里有賣久茂JUMO液位傳(chuan)(chuan)(chuan)感(gan)器(qi)

壓(ya)阻(zu)式傳(chuan)感器(qi)是根據半導體材(cai)料(liao)的(de)壓(ya)阻(zu)效應在(zai)半導體材(cai)料(liao)的(de)基片(pian)上經擴(kuo)散電(dian)阻(zu)而制成的(de)器(qi)件(jian)。久茂(mao)JUMO流量傳(chuan)感器(qi)現貨供應

利用激(ji)光(guang)(guang)(guang)(guang)技(ji)術進行測(ce)(ce)(ce)量(liang)(liang)的傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)。它由(you)激(ji)光(guang)(guang)(guang)(guang)器(qi)(qi)、激(ji)光(guang)(guang)(guang)(guang)檢測(ce)(ce)(ce)器(qi)(qi)和(he)測(ce)(ce)(ce)量(liang)(liang)電(dian)路組成。激(ji)光(guang)(guang)(guang)(guang)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)是新型測(ce)(ce)(ce)量(liang)(liang)儀(yi)表，它的優點是能實現無(wu)接觸(chu)遠距(ju)離測(ce)(ce)(ce)量(liang)(liang)，速度(du)快(kuai)，精度(du)高，量(liang)(liang)程大(da)(da)，抗光(guang)(guang)(guang)(guang)、電(dian)干擾(rao)能力強等。激(ji)光(guang)(guang)(guang)(guang)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)工作時，先(xian)由(you)激(ji)光(guang)(guang)(guang)(guang)發射二(er)(er)極(ji)管對準目標(biao)發射激(ji)光(guang)(guang)(guang)(guang)脈沖。經目標(biao)反射后(hou)激(ji)光(guang)(guang)(guang)(guang)向(xiang)各方(fang)(fang)向(xiang)散射。部分散射光(guang)(guang)(guang)(guang)返回到傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)接收器(qi)(qi)，被光(guang)(guang)(guang)(guang)學系統(tong)接收后(hou)成像到雪崩光(guang)(guang)(guang)(guang)電(dian)二(er)(er)極(ji)管上(shang)。雪崩光(guang)(guang)(guang)(guang)電(dian)二(er)(er)極(ji)管是一種內部具(ju)有(you)放大(da)(da)功能的光(guang)(guang)(guang)(guang)學傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，因此它能檢測(ce)(ce)(ce)極(ji)其微弱的光(guang)(guang)(guang)(guang)信號，并將其轉化為相(xiang)應的電(dian)信號。利用激(ji)光(guang)(guang)(guang)(guang)的高方(fang)(fang)向(xiang)性(xing)、高單色(se)性(xing)和(he)高亮度(du)等特(te)點可(ke)(ke)實現無(wu)接觸(chu)遠距(ju)離測(ce)(ce)(ce)量(liang)(liang)。激(ji)光(guang)(guang)(guang)(guang)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)常用于(yu)(yu)長度(du)（ZLS-Px）、距(ju)離（LDM4x）、振動（ZLDS10X）、速度(du)（LDM30x）、方(fang)(fang)位等物(wu)理量(liang)(liang)的測(ce)(ce)(ce)量(liang)(liang)，還(huan)可(ke)(ke)用于(yu)(yu)探傷和(he)大(da)(da)氣污(wu)染(ran)物(wu)的監(jian)測(ce)(ce)(ce)等。久茂(mao)JUMO流(liu)量(liang)(liang)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)現貨(huo)供應

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