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壓力(li)(li)變送(song)器(qi)廣(guang)泛應用于石油、化(hua)工、冶金(jin)、電力(li)(li)、食(shi)品、造紙、醫藥、機械制造等(deng)行(xing)(xing)業。壓力(li)(li)變送(song)器(qi)具有(you)(you)工作可靠(kao)、性能穩定、安裝使用方便、體積(ji)小、重量(liang)(liang)輕、性能價(jia)格比高(gao)等(deng)點，能在各種(zhong)正(zheng)負壓力(li)(li)測量(liang)(liang)中(zhong)得(de)到(dao)廣(guang)泛應用。1、壓力(li)(li)上去(qu)變送(song)器(qi)輸(shu)出上不去(qu)：此種(zhong)情況(kuang)，應先檢(jian)查(cha)(cha)壓力(li)(li)接(jie)口(kou)是(shi)(shi)否(fou)漏氣或者被堵住，如正(zheng)常(chang)。需檢(jian)查(cha)(cha)接(jie)線(xian)方式，如接(jie)線(xian)正(zheng)確無誤。接(jie)下來檢(jian)查(cha)(cha)電源(yuan)，如電源(yuan)正(zheng)常(chang)。請查(cha)(cha)看傳感器(qi)零位(wei)是(shi)(shi)否(fou)有(you)(you)輸(shu)出，或者進行(xing)(xing)簡單(dan)加壓看輸(shu)出是(shi)(shi)否(fou)有(you)(you)變化(hua)。有(you)(you)變化(hua)證(zheng)明傳感器(qi)沒有(you)(you)損(sun)壞(huai)(huai)，如果無變化(hua)傳感器(qi)確認損(sun)壞(huai)(huai)。出現這種(zhong)情況(kuang)的其(qi)他原因還可...

差(cha)壓(ya)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)是測量變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)兩端(duan)壓(ya)力(li)(li)(li)之差(cha)的(de)(de)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)，輸出標準信(xin)號（如4~20mA、0~5V）。差(cha)壓(ya)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)與一(yi)般(ban)的(de)(de)壓(ya)力(li)(li)(li)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)不同(tong)的(de)(de)是它們均有2個(ge)壓(ya)力(li)(li)(li)接(jie)口，差(cha)壓(ya)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)一(yi)般(ban)分為正壓(ya)端(duan)和負(fu)(fu)壓(ya)端(duan)，一(yi)般(ban)情況下，差(cha)壓(ya)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)正壓(ya)端(duan)的(de)(de)壓(ya)力(li)(li)(li)應大于負(fu)(fu)壓(ya)段壓(ya)力(li)(li)(li)才(cai)能測量。安裝(zhuang)說(shuo)明：其實大家可能注意到(dao)，4-20mA電(dian)流本(ben)身就可以為變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)供電(dian)，變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)在(zai)電(dian)路(lu)(lu)中相(xiang)當于一(yi)個(ge)特殊(shu)的(de)(de)負(fu)(fu)載，特殊(shu)之處在(zai)于變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)的(de)(de)耗電(dian)電(dian)流在(zai)4~20mA之間根據傳感器(qi)(qi)(qi)(qi)輸出而(er)變(bian)(bian)(bian)(bian)化(hua)。顯(xian)示儀表只(zhi)需要串在(zai)電(dian)路(lu)(lu)中即可。這種(zhong)變(bian)(bian)(bian)(bian)送(song)器(qi)(qi)(qi)(qi)只(zhi)需外接(jie)2根線，因而(er)被稱為兩...

安(an)(an)(an)全光(guang)(guang)(guang)幕(mu)（安(an)(an)(an)全光(guang)(guang)(guang)柵）也就是光(guang)(guang)(guang)電安(an)(an)(an)全保(bao)護(hu)(hu)裝置（也稱(cheng)安(an)(an)(an)全保(bao)護(hu)(hu)器(qi)(qi)、沖(chong)床(chuang)(chuang)保(bao)護(hu)(hu)器(qi)(qi)、紅(hong)外(wai)線(xian)安(an)(an)(an)全保(bao)護(hu)(hu)裝置等），安(an)(an)(an)全光(guang)(guang)(guang)幕(mu)（安(an)(an)(an)全光(guang)(guang)(guang)柵）由投(tou)光(guang)(guang)(guang)器(qi)(qi)和(he)受(shou)光(guang)(guang)(guang)器(qi)(qi)兩部分(fen)組(zu)成。投(tou)光(guang)(guang)(guang)器(qi)(qi)發射(she)出(chu)調制(zhi)的(de)紅(hong)外(wai)光(guang)(guang)(guang)線(xian)，由受(shou)光(guang)(guang)(guang)器(qi)(qi)接收，形成了一(yi)個保(bao)護(hu)(hu)網(wang)。現在(zai)大部分(fen)工廠內，人(ren)與(yu)機器(qi)(qi)均是協同作(zuo)(zuo)業的(de)，在(zai)一(yi)些具有潛在(zai)危險的(de)環(huan)境(jing)中如沖(chong)床(chuang)(chuang)、油壓機或(huo)自(zi)動化設(she)備等有操(cao)作(zuo)(zuo)危險的(de)地方，安(an)(an)(an)裝紅(hong)外(wai)線(xian)保(bao)護(hu)(hu)裝置，當有人(ren)進(jin)入保(bao)護(hu)(hu)網(wang)中時，投(tou)光(guang)(guang)(guang)器(qi)(qi)和(he)受(shou)光(guang)(guang)(guang)器(qi)(qi)中光(guang)(guang)(guang)線(xian)會被物(wu)體擋住(zhu)，通過內部控制(zhi)線(xian)路，受(shou)光(guang)(guang)(guang)器(qi)(qi)電路馬上作(zuo)(zuo)出(chu)反(fan)應，即在(zai)輸出(chu)部分(fen)輸出(chu)一(yi)個信號用于機床(chuang)(chuang)或(huo)沖(chong)床(chuang)(chuang)控制(zhi)自(zi)...

壓力變送(song)器(qi)(qi)廣泛應用于石油(you)、化工、冶金(jin)、電力、食品、造紙(zhi)、醫(yi)藥、機械制(zhi)造等行業。具(ju)有工作(zuo)(zuo)可靠、性能(neng)穩(wen)定、安(an)裝使用方(fang)便、體積小、重量輕(qing)、性能(neng)價格比高等點，能(neng)在(zai)各種正負壓力測量中(zhong)得(de)到(dao)廣泛應用。壓力變送(song)器(qi)(qi)微調(diao)(diao)(diao)的(de)(de)具(ju)體操(cao)(cao)作(zuo)(zuo)步驟(zou)1、模數微調(diao)(diao)(diao)（傳感器(qi)(qi)微調(diao)(diao)(diao)）主(zhu)要要進(jin)行的(de)(de)工作(zuo)(zuo)是*微調(diao)(diao)(diao)和(he)零(ling)點微調(diao)(diao)(diao)，*微調(diao)(diao)(diao)需(xu)要精度達到(dao)三(san)倍于變送(song)器(qi)(qi)的(de)(de)精度，在(zai)手操(cao)(cao)器(qi)(qi)菜單：設(she)備設(she)置——診斷和(he)維修(xiu)——檢驗——下(xia)限傳器(qi)(qi)微調(diao)(diao)(diao)，進(jin)行操(cao)(cao)作(zuo)(zuo)。如變送(song)器(qi)(qi)的(de)(de)精度為0.25，那(nei)么下(xia)限微調(diao)(diao)(diao)數值在(zai)0.06，在(zai)整體操(cao)(cao)作(zuo)(zuo)過程中(zhong)我們只需(xu)要遵照手操(cao)(cao)器(qi)(qi)提供...