電磁流量計除了可以測量一般的導電液體的流量之外,還能測量液固兩相流、粘度較高液體以及強酸、強堿、鹽類液體介質的體積流量。與其它的流量計一樣,電磁流量計在安裝、接線完成之後,在正式運用之前,要先檢查安裝、接jie線xian是shi否fou正zheng確que,流liu量liang計ji能neng否fou正zheng常chang的de工gong作zuo。在zai比bi必bi須xu要yao強qiang調tiao說shuo明ming,對dui於yu一yi些xie缺que乏fa使shi用yong經jing驗yan的de單dan位wei,流liu量liang計ji安an裝zhuang運yun行xing的de人ren員yuan要yao認ren真zhen閱yue讀du電dian磁ci流liu量liang計ji的de安an裝zhuang使shi用yong說shuo明ming書shu。對dui於yu初chu次ci運yun行xing中zhong遇yu到dao的de問wen題ti,就jiu要yao分fen析xi問wen題ti,電dian磁ci流liu量liang計ji在zai製zhi造zao廠chang流liu量liang校xiao準zhun裝zhuang置zhi上shang調tiao整zheng效xiao好hao,要yao核he對dui好hao電dian磁ci流liu量liang傳chuan感gan器qi與yu電dian磁ci流liu量liang轉zhuan換huan器qi所suo配pei套tao與yu儀yi表biao係xi數shu是shi否fou正zheng確que。一yi般ban是shi不bu經jing過guo任ren何he調tiao整zheng就jiu能neng投tou入ru運yun行xing使shi用yong了le,如ru果guo在zai初chu次ci運yun行xing中zhong所suo發fa現xian問wen題ti就jiu需xu要yao現xian場chang調tiao整zheng,切qie記ji盲mang目mu的de進jin行xing操cao作zuo,不bu要yao把ba原yuan本ben調tiao整zheng好hao的de整zheng套tao儀yi表biao都dou弄nong亂luan。
電(dian)磁(ci)流(liu)量(liang)計(ji)在(zai)投(tou)入(ru)運(yun)行(xing)使(shi)用(yong)時(shi),傳(chuan)感(gan)器(qi)必(bi)須(xu)要(yao)充(chong)滿(man)實(shi)際(ji)測(ce)量(liang)的(de)介(jie)質(zhi),在(zai)通(tong)電(dian)後(hou)靜(jing)止(zhi)狀(zhuang)態(tai)下(xia)作(zuo)為(wei)零(ling)點(dian)調(tiao)整(zheng)。投(tou)入(ru)運(yun)行(xing)後(hou)要(yao)根(gen)據(ju)測(ce)量(liang)介(jie)質(zhi)以(yi)及(ji)使(shi)用(yong)條(tiao)件(jian)定(ding)期(qi)停(ting)流(liu)檢(jian)查(zha)零(ling)點(dian),尤(you)其(qi)是(shi)對(dui)容(rong)易(yi)沉(chen)澱(dian)、容易汙染電極、含(han)有(you)固(gu)體(ti)的(de)非(fei)清(qing)潔(jie)介(jie)質(zhi)。在(zai)電(dian)磁(ci)流(liu)量(liang)計(ji)運(yun)行(xing)初(chu)期(qi)要(yao)檢(jian)查(zha)多(duo)多(duo),這(zhe)樣(yang)才(cai)能(neng)獲(huo)得(de)經(jing)驗(yan),來(lai)確(que)定(ding)正(zheng)常(chang)的(de)檢(jian)查(zha)周(zhou)期(qi),流(liu)量(liang)計(ji)兩(liang)電(dian)極(ji)所(suo)接(jie)觸(chu)電(dian)阻(zu)發(fa)生(sheng)變(bian)化(hua)時(shi),就(jiu)表(biao)麵(mian)了(le)電(dian)極(ji)很(hen)可(ke)能(neng)被(bei)髒(zang)汙(wu)介(jie)質(zhi)所(suo)接(jie)觸(chu)。接(jie)觸(chu)電(dian)阻(zu)在(zai)變(bian)大(da)時(shi),就(jiu)可(ke)能(neng)是(shi)髒(zang)汙(wu)介(jie)質(zhi)是(shi)絕(jue)緣(yuan)性(xing)的(de)沉(chen)積(ji)物(wu)。所(suo)接(jie)觸(chu)的(de)電(dian)極(ji)就(jiu)變(bian)小(xiao)了(le),也(ye)可(ke)能(neng)是(shi)髒(zang)汙(wu)導(dao)電(dian)性(xing)的(de)沉(chen)積(ji)物(wu),兩(liang)電(dian)極(ji)所(suo)接(jie)觸(chu)的(de)電(dian)阻(zu)就(jiu)不(bu)對(dui)稱(cheng),表(biao)麵(mian)兩(liang)電(dian)極(ji)受(shou)汙(wu)染(ran)的(de)程(cheng)度(du)不(bu)一(yi)致(zhi),電(dian)磁(ci)流(liu)量(liang)計(ji)電(dian)極(ji)與(yu)勵(li)磁(ci)線(xian)圈(quan)的(de)絕(jue)緣(yuan)電(dian)阻(zu)所(suo)下(xia)降(jiang)就(jiu)表(biao)麵(mian)了(le)傳(chuan)感(gan)器(qi)所(suo)受(shou)潮(chao)的(de)程(cheng)度(du)。當(dang)絕(jue)緣(yuan)電(dian)阻(zu)下(xia)降(jiang)到(dao)一(yi)定(ding)的(de)程(cheng)度(du),是(shi)會(hui)影(ying)響(xiang)到(dao)流(liu)量(liang)計(ji)的(de)正(zheng)常(chang)工(gong)作(zuo),勵(li)磁(ci)線(xian)圈(quan)會(hui)令(ling)電(dian)阻(zu)值(zhi)保(bao)證(zheng)了(le)勵(li)磁(ci)線(xian)圈(quan)正(zheng)常(chang)的(de)參(can)數(shu),在(zai)實(shi)際(ji)應(ying)用(yong)中(zhong)曾(zeng)有(you)一(yi)台(tai)電(dian)磁(ci)流(liu)量(liang)計(ji)在(zai)投(tou)入(ru)使(shi)用(yong)後(hou)不(bu)正(zheng)常(chang)的(de)工(gong)作(zuo),流(liu)量(liang)顯(xian)示(shi)時(shi)有(you)時(shi)無(wu),甚(shen)至(zhi)是(shi)會(hui)出(chu)現(xian)空(kong)管(guan)報(bao)警(jing)的(de)提(ti)示(shi)現(xian)象(xiang)。可(ke)以(yi)根(gen)據(ju)故(gu)障(zhang)現(xian)象(xiang)來(lai)查(zha)找(zhao)原(yuan)因(yin)未(wei)有(you)結(jie)果(guo)表(biao)示(shi),後(hou)來(lai)流(liu)量(liang)傳(chuan)感(gan)器(qi)單(dan)獨(du)做(zuo)一(yi)接(jie)地(di)極(ji),故(gu)障(zhang)現(xian)象(xiang)會(hui)隨(sui)時(shi)消(xiao)失(shi),運(yun)行(xing)就(jiu)會(hui)正(zheng)常(chang)。
電dian磁ci流liu量liang計ji在zai安an裝zhuang完wan畢bi後hou,要yao測ce量liang一yi下xia接jie地di電dian阻zu,如ru果guo阻zu值zhi偏pian大da,最zui好hao在zai接jie地di極ji用yong減jian少shao因yin為wei雜za散san電dian流liu所suo產chan生sheng的de幹gan擾rao電dian勢shi。電dian磁ci流liu量liang計ji安an裝zhuang分fen為wei傳chuan感gan器qi安an裝zhuang與yu轉zhuan換huan器qi安an裝zhuang,尤you其qi是shi對dui傳chuan感gan器qi安an裝zhuang,是shi需xu要yao停ting水shui、割管、抽水、焊han接jie或huo是shi打da口kou等deng順shun序xu,會hui使shi在zai安an裝zhuang時shi比bi較jiao困kun難nan,並bing且qie需xu要yao長chang時shi間jian停ting水shui,是shi會hui對dui電dian磁ci流liu量liang計ji造zao成cheng有you一yi定ding的de經jing濟ji損sun失shi。如ru果guo是shi出chu現xian這zhe種zhong情qing況kuang,是shi要yao在zai鑄zhu鐵tie管guan道dao上shang安an裝zhuang電dian磁ci流liu量liang計ji時shi,就jiu要yao采cai用yong全quan新xin的de工gong藝yi方fang法fa,是shi用yong兩liang個ge單dan盤pan補bu償chang器qi來lai取qu代dai了le傳chuan統tong的de短duan管guan甲jia、yi。gengshiquxiaoledakougongxuyuduiguankoudebaoyangshijian,tebieshizaifamenguanbibuyandeqingkuangxia,nenggoudaishuilaicaozuo,zaitingshuizhihou,zaianzhuangyitaidianciliuliangchuanganqijinjinxuyaobantiandeshijianjiunenghuifugongshui,yincishisuoduanleanzhuangdeshijianwenti。jianxiaoleyinweitingshuierzaochengdejingjisunshiwenti,bingqieshoudaoleyidingdeshehuixiaoyi。