光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)，也(ye)稱(cheng)(cheng)為(wei)(wei)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)位(wei)(wei)移(yi)傳(chuan)感(gan)器（光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)傳(chuan)感(gan)器），是(shi)(shi)利用光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)的(de)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)學(xue)原理工作(zuo)的(de)測(ce)(ce)量(liang)(liang)反饋裝置。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)經常(chang)應(ying)用于數(shu)(shu)(shu)(shu)(shu)(shu)(shu)控機(ji)(ji)床(chuang)(chuang)(chuang)的(de)閉(bi)環(huan)伺服系統(tong)(tong)中，可用作(zuo)直線位(wei)(wei)移(yi)或者角位(wei)(wei)移(yi)的(de)檢(jian)測(ce)(ce)。其測(ce)(ce)量(liang)(liang)輸出的(de)信號為(wei)(wei)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)字脈沖，具有檢(jian)測(ce)(ce)范圍大(da)(da)，檢(jian)測(ce)(ce)精度高(gao)，響(xiang)應(ying)速(su)度快的(de)特點。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)按(an)照制造方(fang)(fang)法和(he)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)學(xue)原理的(de)不同，分(fen)(fen)(fen)(fen)為(wei)(wei)透射光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)和(he)反射光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)是(shi)(shi)由(you)標(biao)尺(chi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)和(he)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)兩(liang)部分(fen)(fen)(fen)(fen)組成。標(biao)尺(chi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)一(yi)(yi)(yi)般(ban)(ban)固(gu)(gu)(gu)定(ding)在(zai)(zai)機(ji)(ji)床(chuang)(chuang)(chuang)固(gu)(gu)(gu)定(ding)部件(jian)(jian)(jian)上(shang)，光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)裝在(zai)(zai)機(ji)(ji)床(chuang)(chuang)(chuang)活動(dong)部件(jian)(jian)(jian)上(shang)，指(zhi)(zhi)示(shi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)裝在(zai)(zai)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)中。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)測(ce)(ce)量(liang)(liang)位(wei)(wei)移(yi)的(de)實質是(shi)(shi)以光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)距為(wei)(wei)一(yi)(yi)(yi)把標(biao)準尺(chi)子(zi)對(dui)位(wei)(wei)稱(cheng)(cheng)量(liang)(liang)進(jin)行測(ce)(ce)量(liang)(liang)。高(gao)分(fen)(fen)(fen)(fen)辨(bian)率的(de)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)一(yi)(yi)(yi)般(ban)(ban)造價(jia)較貴，且制造困難(nan)。為(wei)(wei)了(le)提高(gao)系統(tong)(tong)分(fen)(fen)(fen)(fen)辨(bian)率，需要對(dui)莫爾(er)(er)(er)條(tiao)紋(wen)(wen)進(jin)行細(xi)分(fen)(fen)(fen)(fen)，目前（2006年）光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)尺(chi)傳(chuan)感(gan)器系統(tong)(tong)多(duo)采用電(dian)(dian)子(zi)細(xi)分(fen)(fen)(fen)(fen)方(fang)(fang)法。當兩(liang)塊光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)以微小傾角重疊時(shi)，在(zai)(zai)與光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)刻線大(da)(da)致垂(chui)直的(de)方(fang)(fang)向(xiang)上(shang)就會產(chan)生(sheng)莫爾(er)(er)(er)條(tiao)紋(wen)(wen)，隨著光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)的(de)移(yi)動(dong)，莫爾(er)(er)(er)條(tiao)紋(wen)(wen)也(ye)隨之上(shang)下(xia)移(yi)動(dong)。這樣就把對(dui)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)距的(de)測(ce)(ce)量(liang)(liang)轉換為(wei)(wei)對(dui)莫爾(er)(er)(er)條(tiao)紋(wen)(wen)個數(shu)(shu)(shu)(shu)(shu)(shu)(shu)的(de)測(ce)(ce)量(liang)(liang)。一(yi)(yi)(yi)般(ban)(ban)將(jiang)主尺(chi)安裝在(zai)(zai)機(ji)(ji)床(chuang)(chuang)(chuang)的(de)工作(zuo)臺（滑板(ban)）上(shang)，隨機(ji)(ji)床(chuang)(chuang)(chuang)走刀(dao)而動(dong)，讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)固(gu)(gu)(gu)定(ding)在(zai)(zai)床(chuang)(chuang)(chuang)身上(shang)，盡可能使讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)安裝在(zai)(zai)主尺(chi)的(de)下(xia)方(fang)(fang)。其安裝方(fang)(fang)式的(de)選擇(ze)必須(xu)(xu)注意切屑(xie)、切削液(ye)及(ji)油液(ye)的(de)濺(jian)落方(fang)(fang)向(xiang)。如果由(you)于安裝位(wei)(wei)置限(xian)制必須(xu)(xu)采用讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)朝(chao)上(shang)的(de)方(fang)(fang)式安裝時(shi)，則(ze)必須(xu)(xu)增加輔助密封(feng)裝置。另(ling)外，一(yi)(yi)(yi)般(ban)(ban)情況下(xia)，讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)應(ying)盡量(liang)(liang)安裝在(zai)(zai)相對(dui)機(ji)(ji)床(chuang)(chuang)(chuang)靜止部件(jian)(jian)(jian)上(shang)，此時(shi)輸出導(dao)線不移(yi)動(dong)易固(gu)(gu)(gu)定(ding)，而尺(chi)身則(ze)應(ying)安裝在(zai)(zai)相對(dui)機(ji)(ji)床(chuang)(chuang)(chuang)運(yun)動(dong)的(de)部件(jian)(jian)(jian)上(shang)（如滑板(ban)）。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)檢(jian)測(ce)(ce)裝置的(de)關(guan)鍵部分(fen)(fen)(fen)(fen)是(shi)(shi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)，它(ta)由(you)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)源(yuan)、會聚透鏡、指(zhi)(zhi)示(shi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)、光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)元件(jian)(jian)(jian)及(ji)調整機(ji)(ji)構等組成。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)結構形(xing)式很多(duo)，根據讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)結構特點和(he)使用場合(he)分(fen)(fen)(fen)(fen)為(wei)(wei)直接(jie)接(jie)收(shou)式讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)(或稱(cheng)(cheng)硅(gui)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)池讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)、鏡像式讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)、分(fen)(fen)(fen)(fen)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)鏡式讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)、金(jin)屬(shu)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)柵(zha)(zha)(zha)(zha)(zha)(zha)(zha)(zha)反射式讀(du)(du)(du)數(shu)(shu)(shu)(shu)(shu)(shu)(shu)頭(tou)(tou)）。

流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)主要(yao)是在(zai)(zai)(zai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、氣、油等介(jie)質(zhi)管(guan)路(lu)中在(zai)(zai)(zai)線(xian)或者插入式(shi)(shi)安裝監控(kong)(kong)(kong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)系(xi)(xi)統(tong)(tong)中水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)大(da)小。在(zai)(zai)(zai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)高(gao)于(yu)(yu)或者低于(yu)(yu)某一(yi)(yi)個(ge)設(she)(she)(she)定點(dian)(dian)時(shi)(shi)(shi)候觸(chu)發(fa)輸(shu)出(chu)(chu)報(bao)警信(xin)(xin)(xin)號(hao)(hao)傳(chuan)(chuan)遞給機(ji)組，系(xi)(xi)統(tong)(tong)獲取信(xin)(xin)(xin)號(hao)(hao)后即(ji)可(ke)作(zuo)(zuo)出(chu)(chu)相應(ying)(ying)(ying)的(de)(de)(de)(de)指示(shi)動(dong)(dong)(dong)作(zuo)(zuo)。避(bi)免或減少(shao)主機(ji)“干燒(shao)”。水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)工(gong)作(zuo)(zuo)原(yuan)(yuan)理(li)(li)(li)當(dang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)內有(you)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)動(dong)(dong)(dong)，水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)≥1.0L/min時(shi)(shi)(shi)，水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)內的(de)(de)(de)(de)磁(ci)芯(xin)受水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)推動(dong)(dong)(dong)產(chan)(chan)生(sheng)(sheng)(sheng)位(wei)(wei)移，磁(ci)芯(xin)位(wei)(wei)移帶(dai)動(dong)(dong)(dong)磁(ci)源(yuan)產(chan)(chan)生(sheng)(sheng)(sheng)磁(ci)控(kong)(kong)(kong)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)使(shi)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)輸(shu)出(chu)(chu)“通(tong)”信(xin)(xin)(xin)號(hao)(hao)。流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)快易優(you)自動(dong)(dong)(dong)化(hua)選型(xing)有(you)收錄，該信(xin)(xin)(xin)號(hao)(hao)輸(shu)入設(she)(she)(she)備控(kong)(kong)(kong)制(zhi)系(xi)(xi)統(tong)(tong)，經控(kong)(kong)(kong)制(zhi)系(xi)(xi)統(tong)(tong)實現控(kong)(kong)(kong)制(zhi)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)，當(dang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)小于(yu)(yu)啟(qi)動(dong)(dong)(dong)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)時(shi)(shi)(shi)，水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)輸(shu)出(chu)(chu)“斷”的(de)(de)(de)(de)信(xin)(xin)(xin)號(hao)(hao)。控(kong)(kong)(kong)制(zhi)系(xi)(xi)統(tong)(tong)產(chan)(chan)生(sheng)(sheng)(sheng)與(yu)上述相反(fan)的(de)(de)(de)(de)控(kong)(kong)(kong)制(zhi)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)。換(huan)句(ju)話說就是：水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)當(dang)管(guan)路(lu)中的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)大(da)于(yu)(yu)1L/min流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)時(shi)(shi)(shi)，磁(ci)芯(xin)在(zai)(zai)(zai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下產(chan)(chan)生(sheng)(sheng)(sheng)位(wei)(wei)移并帶(dai)動(dong)(dong)(dong)磁(ci)源(yuan)產(chan)(chan)生(sheng)(sheng)(sheng)磁(ci)控(kong)(kong)(kong)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)使(shi)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)輸(shu)出(chu)(chu)"1"開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)信(xin)(xin)(xin)號(hao)(hao),該信(xin)(xin)(xin)號(hao)(hao)輸(shu)入到(dao)(dao)(dao)設(she)(she)(she)備控(kong)(kong)(kong)制(zhi)系(xi)(xi)統(tong)(tong)，經功(gong)率擴(kuo)放大(da)后實現以水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)控(kong)(kong)(kong)制(zhi)的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)。當(dang)管(guan)路(lu)中的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)小于(yu)(yu)1L/min流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)后，磁(ci)芯(xin)在(zai)(zai)(zai)復位(wei)(wei)彈簧推力作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下帶(dai)動(dong)(dong)(dong)磁(ci)源(yuan)回位(wei)(wei)，使(shi)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)輸(shu)出(chu)(chu)"0"開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)信(xin)(xin)(xin)號(hao)(hao),停(ting)止系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)。流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)具(ju)有(you)靈敏度高(gao)、耐久性(xing)強(qiang)等優(you)點(dian)(dian) 。熱(re)(re)式(shi)(shi)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)是利用(yong)(yong)(yong)(yong)(yong)探(tan)測(ce)(ce)(ce)頭溫(wen)度變化(hua)的(de)(de)(de)(de)原(yuan)(yuan)理(li)(li)(li)設(she)(she)(she)計(ji)。在(zai)(zai)(zai)探(tan)頭內置發(fa)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)及感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，并與(yu)介(jie)質(zhi)接觸(chu)。測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)時(shi)(shi)(shi)，發(fa)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)發(fa)出(chu)(chu)恒(heng)定的(de)(de)(de)(de)熱(re)(re)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，當(dang)管(guan)道(dao)內沒(mei)有(you)介(jie)質(zhi)流(liu)(liu)(liu)動(dong)(dong)(dong)，感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)接收到(dao)(dao)(dao)的(de)(de)(de)(de)熱(re)(re)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)是一(yi)(yi)個(ge)恒(heng)定值，當(dang)有(you)介(jie)質(zhi)流(liu)(liu)(liu)動(dong)(dong)(dong)時(shi)(shi)(shi)，感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)所(suo)接收到(dao)(dao)(dao)的(de)(de)(de)(de)熱(re)(re)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)將(jiang)隨介(jie)質(zhi)的(de)(de)(de)(de)流(liu)(liu)(liu)速變化(hua)而變化(hua)，感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)熱(re)(re)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)將(jiang)這溫(wen)差(cha)信(xin)(xin)(xin)號(hao)(hao)轉(zhuan)化(hua)成電(dian)信(xin)(xin)(xin)號(hao)(hao)，再經過(guo)電(dian)路(lu)轉(zhuan)換(huan)為(wei)對應(ying)(ying)(ying)的(de)(de)(de)(de)接點(dian)(dian)信(xin)(xin)(xin)號(hao)(hao)或模擬(ni)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)信(xin)(xin)(xin)號(hao)(hao)。熱(re)(re)擴(kuo)散流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)原(yuan)(yuan)理(li)(li)(li)，熱(re)(re)擴(kuo)散技術是一(yi)(yi)種(zhong)在(zai)(zai)(zai)苛(ke)刻條(tiao)件(jian)下性(xing)能優(you)良、可(ke)靠性(xing)高(gao)的(de)(de)(de)(de)技術，其(qi)典型(xing)原(yuan)(yuan)理(li)(li)(li)是當(dang)兩個(ge)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)元(yuan)件(jian)被(bei)置于(yu)(yu)流(liu)(liu)(liu)體(ti)中時(shi)(shi)(shi)，其(qi)中一(yi)(yi)個(ge)被(bei)加熱(re)(re)，另一(yi)(yi)個(ge)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)過(guo)程溫(wen)度。兩個(ge)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)元(yuan)件(jian)之間的(de)(de)(de)(de)溫(wen)差(cha)與(yu)過(guo)程流(liu)(liu)(liu)速及過(guo)程介(jie)質(zhi)的(de)(de)(de)(de)性(xing)質(zhi)有(you)關(guan)(guan)(guan)(guan)。兩個(ge)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)元(yuan)件(jian)之間的(de)(de)(de)(de)溫(wen)差(cha)在(zai)(zai)(zai)無流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)狀態下最大(da)，但隨著流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)增加，被(bei)加熱(re)(re)的(de)(de)(de)(de)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)元(yuan)件(jian)冷卻，溫(wen)差(cha)減小。流(liu)(liu)(liu)體(ti)流(liu)(liu)(liu)速直接影(ying)響(xiang)熱(re)(re)擴(kuo)散的(de)(de)(de)(de)程度。紅外線(xian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)也叫紅外線(xian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，應(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)熱(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)器(qi)(qi)(qi)(qi)行業(ye)中新(xin)起的(de)(de)(de)(de)高(gao)新(xin)技術產(chan)(chan)業(ye)即(ji)熱(re)(re)電(dian)熱(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)器(qi)(qi)(qi)(qi)進(jin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)口(kou)，以探(tan)測(ce)(ce)(ce)進(jin)入即(ji)熱(re)(re)式(shi)(shi)電(dian)熱(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)進(jin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，控(kong)(kong)(kong)制(zhi)啟(qi)動(dong)(dong)(dong)與(yu)關(guan)(guan)(guan)(guan)機(ji)功(gong)能。特別適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)作(zuo)(zuo)為(wei)恒(heng)溫(wen)即(ji)熱(re)(re)式(shi)(shi)電(dian)熱(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)器(qi)(qi)(qi)(qi)配套裝置，將(jiang)探(tan)測(ce)(ce)(ce)到(dao)(dao)(dao)的(de)(de)(de)(de)進(jin)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)與(yu)溫(wen)度及時(shi)(shi)(shi)傳(chuan)(chuan)遞給控(kong)(kong)(kong)制(zhi)系(xi)(xi)統(tong)(tong)，達到(dao)(dao)(dao)快速恒(heng)溫(wen)的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)。也適合類(lei)似產(chan)(chan)品的(de)(de)(de)(de)流(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)探(tan)測(ce)(ce)(ce)需求使(shi)用(yong)(yong)(yong)(yong)(yong)。

電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，通(tong)常簡(jian)稱(cheng)(cheng)其容(rong)(rong)納電(dian)(dian)(dian)(dian)(dian)荷的本(ben)領為電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)，用(yong)(yong)字(zi)母C表示。定義(yi)1：電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，顧名思義(yi)，是(shi)(shi)‘裝(zhuang)電(dian)(dian)(dian)(dian)(dian)的容(rong)(rong)器(qi)(qi)’，是(shi)(shi)一(yi)種容(rong)(rong)納電(dian)(dian)(dian)(dian)(dian)荷的器(qi)(qi)件(jian)。英文名稱(cheng)(cheng)：capacitor。電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)子設備(bei)中(zhong)大(da)量使(shi)用(yong)(yong)的電(dian)(dian)(dian)(dian)(dian)子元件(jian)之一(yi)，廣泛應用(yong)(yong)于(yu)電(dian)(dian)(dian)(dian)(dian)路中(zhong)的隔直通(tong)交，耦合，旁路，濾波，調(diao)諧回路， 能量轉換，控制等方面(mian)。定義(yi)2：電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，任何兩個(ge)(ge)彼此(ci)絕(jue)(jue)緣(yuan)且相(xiang)隔很近(jin)的導(dao)體(ti)（包括導(dao)線）間都構成(cheng)一(yi)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)。簡(jian)單的電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)由(you)兩端(duan)的極(ji)板(ban)和中(zhong)間的絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)介(jie)質(zhi)（包括空(kong)氣）構成(cheng)的。通(tong)電(dian)(dian)(dian)(dian)(dian)后(hou)，極(ji)板(ban)帶(dai)(dai)(dai)電(dian)(dian)(dian)(dian)(dian)，形成(cheng)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)（電(dian)(dian)(dian)(dian)(dian)勢差），但是(shi)(shi)由(you)于(yu)中(zhong)間的絕(jue)(jue)緣(yuan)物(wu)質(zhi)，所以(yi)整個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)是(shi)(shi)不(bu)導(dao)電(dian)(dian)(dian)(dian)(dian)的。不(bu)過(guo)(guo)，這樣的情(qing)況是(shi)(shi)在(zai)沒有超過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)的臨界電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)（擊穿(chuan)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)）的前提(ti)條件(jian)下(xia)的。我們(men)知道，任何物(wu)質(zhi)都是(shi)(shi)相(xiang)對絕(jue)(jue)緣(yuan)的，當物(wu)質(zhi)兩端(duan)的電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)加(jia)大(da)到一(yi)定程度后(hou)，物(wu)質(zhi)是(shi)(shi)都可以(yi)導(dao)電(dian)(dian)(dian)(dian)(dian)的，我們(men)稱(cheng)(cheng)這個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)叫擊穿(chuan)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)。電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)也不(bu)例外，電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)被擊穿(chuan)后(hou)，就不(bu)是(shi)(shi)絕(jue)(jue)緣(yuan)體(ti)了。當電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)接通(tong)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)以(yi)后(hou),在(zai)電(dian)(dian)(dian)(dian)(dian)場力的作用(yong)(yong)下(xia),與(yu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)正極(ji)相(xiang)接電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)極(ji)板(ban)的 自由(you)電(dian)(dian)(dian)(dian)(dian)子將經(jing)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)移到與(yu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)負(fu)(fu)極(ji)相(xiang)接的極(ji)板(ban)下(xia), 正極(ji)由(you)于(yu)失(shi)去負(fu)(fu)電(dian)(dian)(dian)(dian)(dian)荷而(er)帶(dai)(dai)(dai)正電(dian)(dian)(dian)(dian)(dian), 負(fu)(fu) 極(ji)由(you)于(yu)獲得負(fu)(fu)電(dian)(dian)(dian)(dian)(dian)荷而(er)帶(dai)(dai)(dai)負(fu)(fu)電(dian)(dian)(dian)(dian)(dian),正,負(fu)(fu)極(ji)板(ban)所帶(dai)(dai)(dai)電(dian)(dian)(dian)(dian)(dian)荷大(da)小相(xiang)等,符號(hao)相(xiang)反.

HEIDENHAIN    編碼器    ROQ 425 2048 27S17-58  ID:312511-01
HEIDENHAIN    備件    ID:810800-50
HEIDENHAIN    編碼器線纜    323897-01
HEIDENHAIN    備件    ID 730 435-01
HEIDENHAIN    編碼器    ID589611-OL
HEIDENHAIN    光柵尺    LS106C ML1040mm 295712-21
HEIDENHAIN    光柵尺    LC 195F-1140MM 訂貨號760907-11
HEIDENHAIN    備件    315420-04
HEIDENHAIN    光柵    557644-16
HEIDENHAIN    Z軸光柵尺    LC483/10nm ML620MMID557647-12
HEIDENHAIN    編碼器    ECN 113 2048 ID: 528100-02
HEIDENHAIN    光柵尺線    360645-06
HEIDENHAIN    光柵測量頭    MT12W，12MM IDN 231011-03
HEIDENHAIN    編碼器    751363-01
HEIDENHAIN    光柵鋼帶    LB302 ID：316531-60
HEIDENHAIN    長度計    ID:353077-01
HEIDENHAIN    備件    329987-4D
HEIDENHAIN    光柵尺    LS703 ML470mm Id.Nr.336976-07
HEIDENHAIN    直線光柵    526974-07
HEIDENHAIN    長度計    ST3078 375134-02
HEIDENHAIN    備件    LS177 1340MM   605357-46
HEIDENHAIN    濾芯    557677-02
HEIDENHAIN    伺服編碼器連接器    293328-01
HEIDENHAIN    適配器電纜    805375-12
HEIDENHAIN    光柵尺    ID:572248-14
HEIDENHAIN    光柵尺    LC483-ML370
HEIDENHAIN    光柵尺    557679-09
HEIDENHAIN    備件    368172-N5
HEIDENHAIN    編碼器    768295-11
HEIDENHAIN    備件    1387.056-2048 ID:727221-02
HEIDENHAIN    讀數頭    ID：315420-04
HEIDENHAIN    編碼器    ID：538727-02
HEIDENHAIN    備件    ERN 1387.025-2048 ID：727221-51
HEIDENHAIN    支架    ML270/770902-05
HEIDENHAIN    備件    ERN 1385 2048 62S14-70 ID:749146-53
HEIDENHAIN    編碼器    735117-05
 
HEIDENHAIN    光柵尺    572249-10
HEIDENHAIN    光柵尺    557649-14
HEIDENHAIN    光柵尺    557679-15
HEIDENHAIN    編碼器    ID:393000-11
HEIDENHAIN    備件    ID:526974-09
HEIDENHAIN    傳感器    393000-15
HEIDENHAIN    ENCODER    ERN1331-1024 ID:538727-05
HEIDENHAIN    備件    LC183-1240 ID:557679-12
HEIDENHAIN    備件    331666-01
HEIDENHAIN    光柵尺    635333-04
HEIDENHAIN    編碼器    393000-29
HEIDENHAIN    編碼器    631713-01
HEIDENHAIN    位置傳感器（磁尺）    LS186-240 336960-13
HEIDENHAIN    備件    557677-02
HEIDENHAIN    備件    344996-01
HEIDENHAIN    備件    366536-01
HEIDENHAIN    編碼器    ID 689890-31
HEIDENHAIN    編碼器    760910-01
HEIDENHAIN    編碼器    667591-01
HEIDENHAIN    光柵測量頭    MT12W IdNr.231011-03
HEIDENHAIN    編碼器    538727-05
HEIDENHAIN    濾芯    337147-01
HEIDENHAIN    光柵尺    557677-03
HEIDENHAIN    備件    PWM9 ID374976-01
HEIDENHAIN    光柵尺    LS186ML1440ID.NR.336960-50
HEIDENHAIN    伺服電機    LC185/5nm.ML 940mm.ID:689696-09.SN:51569793
HEIDENHAIN    讀數頭    ID:658492-01
HEIDENHAIN    傳感器    375137-01
HEIDENHAIN    備件    536398-01
HEIDENHAIN    備件    296466-12
HEIDENHAIN    海德漢光柵尺    LS 487C ML 920MM SN 38423 992G  ID 572 248-16 N6
HEIDENHAIN    直線光柵    ID.526974-09
HEIDENHAIN    編碼器    EQN1325.049-2048  ID：655251-03
HEIDENHAIN    編碼器    376886-07
HEIDENHAIN    傳感器    393000-15
HEIDENHAIN    編碼器    557642-06
HEIDENHAIN    編碼器    589614-61
HEIDENHAIN    ABSOLUTE GYRATORY SENSOR    RCN 2380 Id: 667785-01
HEIDENHAIN    長度計    MT25P  ID：232715-03
HEIDENHAIN    編碼器    ID：1109257-23
HEIDENHAIN    編碼器    599502-03
HEIDENHAIN    光柵尺    334749-06
HEIDENHAIN    光柵尺    572249-13
HEIDENHAIN    光柵尺    ID:617765-N2
HEIDENHAIN    備件    SN 42 115 058 E  ID 586 624-07
HEIDENHAIN    編碼器    ID:631713-01
HEIDENHAIN    光柵尺    LC483 ML370 557649-07
HEIDENHAIN    備件    635066-56
HEIDENHAIN    光柵尺    LC 183; ML1740; +/- 0.003mm   557680-17
HEIDENHAIN    編碼器    810662-03
HEIDENHAIN    編碼器    EQN 1325 2048 62S12-78  ID:586 650-01
HEIDENHAIN    備件    ID:760916-04
HEIDENHAIN    備件    589614-61
HEIDENHAIN    光柵尺    557647-11
HEIDENHAIN    編碼器    ERN1080-1024-01-03 ID:534913-05
HEIDENHAIN    備件    309777-06
HEIDENHAIN    備件    ST 1278 L2 383-963-06 28 292 313P
HEIDENHAIN    編碼器線    298402-30
HEIDENHAIN    直線光柵尺    LC195S  ML=1340MM （760910-13）
HEIDENHAIN    備件    557647-16
HEIDENHAIN    編碼器    534913-27
HEIDENHAIN    備件    393000-61
HEIDENHAIN    編碼器    231011-03
HEIDENHAIN    備件    643450-01
HEIDENHAIN    光柵尺線    533631-03
HEIDENHAIN    備件    ID：243602-06
HEIDENHAIN    編碼器    810800-24
HEIDENHAIN    直線測量尺    511398-01
HEIDENHAIN    備件    355529-47
HEIDENHAIN    光柵尺    689697-09
HEIDENHAIN    備件    589614-61
HEIDENHAIN    備件    LS-328C 120   559682-31
 
HEIDENHAIN    備件    385420-0X
HEIDENHAIN    過濾器    ID:810415-01
HEIDENHAIN    備件    290028-6N
HEIDENHAIN    光柵尺    LC483/10nm/ML370mm(帶讀數頭AELC4×3）ID557649-07
HEIDENHAIN    過濾器    ID:810421-01
HEIDENHAIN    讀數頭LB382    ID316222-01
HEIDENHAIN    備件    ID:533111-01
HEIDENHAIN    信號轉換線    617765-N2
HEIDENHAIN    光柵尺掃(sao)描頭    LB382C Id.Nr.315420-04

HEIDENHAIN 光柵尺 689697-09翊霈推薦供應

HEIDENHAIN 光柵尺 689697-09翊霈推薦供應