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浮(fu)(fu)筒(tong)液(ye)位變(bian)(bian)(bian)送器由(you)浮(fu)(fu)筒(tong)室(shi)(shi)、浮(fu)(fu)筒(tong)、扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)及(ji)電(dian)(dian)子(zi)測量(liang)系(xi)(xi)統(tong)等組(zu)成。浮(fu)(fu)筒(tong)浸(jin)(jin)沒(mei)在(zai)浮(fu)(fu)筒(tong)室(shi)(shi)內的(de)(de)(de)液(ye)體中，與扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)剛性連接，扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)承受的(de)(de)(de)力(li)(li)(li)是(shi)(shi)浮(fu)(fu)筒(tong)自重減去(qu)浮(fu)(fu)筒(tong)所受的(de)(de)(de)浮(fu)(fu)力(li)(li)(li)的(de)(de)(de)凈(jing)(jing)值，在(zai)這(zhe)種(zhong)合(he)力(li)(li)(li)作用下的(de)(de)(de)扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)扭(niu)轉(zhuan)一定角(jiao)度。浮(fu)(fu)筒(tong)室(shi)(shi)內液(ye)體的(de)(de)(de)位置(zhi)、密度或界位高低的(de)(de)(de)變(bian)(bian)(bian)化(hua)(hua)引(yin)起浸(jin)(jin)沒(mei)在(zai)液(ye)體中的(de)(de)(de)浮(fu)(fu)筒(tong)受到的(de)(de)(de)浮(fu)(fu)力(li)(li)(li)變(bian)(bian)(bian)化(hua)(hua)，從而使扭(niu)管(guan)(guan)(guan)(guan)轉(zhuan)角(jiao)也隨之變(bian)(bian)(bian)化(hua)(hua)。該(gai)變(bian)(bian)(bian)化(hua)(hua)被傳(chuan)遞(di)到與扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)剛性連接的(de)(de)(de)傳(chuan)感(gan)(gan)器，使傳(chuan)感(gan)(gan)器輸(shu)出電(dian)(dian)壓變(bian)(bian)(bian)化(hua)(hua)，繼而被電(dian)(dian)子(zi)部件放大并轉(zhuan)換為4～20mA電(dian)(dian)流(liu)輸(shu)出。浮(fu)(fu)筒(tong)液(ye)位變(bian)(bian)(bian)送器采用微控制器與相關(guan)的(de)(de)(de)電(dian)(dian)子(zi)線路測量(liang)過程(cheng)變(bian)(bian)(bian)量(liang)，提(ti)供電(dian)(dian)流(liu)輸(shu)出，驅動LCD顯示(shi)及(ji)提(ti)供HART通信能力(li)(li)(li)。浮(fu)(fu)筒(tong)液(ye)位變(bian)(bian)(bian)送器由(you)浮(fu)(fu)筒(tong)室(shi)(shi)、浮(fu)(fu)筒(tong)、扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)及(ji)電(dian)(dian)子(zi)測量(liang)系(xi)(xi)統(tong)等組(zu)成。浮(fu)(fu)筒(tong)浸(jin)(jin)沒(mei)在(zai)浮(fu)(fu)筒(tong)室(shi)(shi)內的(de)(de)(de)液(ye)體中，與扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)剛性連接，扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)系(xi)(xi)統(tong)承受的(de)(de)(de)力(li)(li)(li)是(shi)(shi)浮(fu)(fu)筒(tong)自重減去(qu)浮(fu)(fu)筒(tong)所受的(de)(de)(de)浮(fu)(fu)力(li)(li)(li)的(de)(de)(de)凈(jing)(jing)值，在(zai)這(zhe)種(zhong)合(he)力(li)(li)(li)作用下的(de)(de)(de)扭(niu)力(li)(li)(li)管(guan)(guan)(guan)(guan)扭(niu)轉(zhuan)一定角(jiao)度。
