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压力变送器常见故障排除方法

更新时间: 2017年03月01日 所属类别: 知识百科 阅读量:

压力变送器误差

百家乐官网querenzhengchangwuchafanweidefangfa: jisuanchuyalibiaodewuchazhiliru: yalibiaoliangchengwei30bar,jingdu1.5%,zuixiaokeduwei0.2barzhengchangdewuchawei: 30bar*1.5%+0.2*0.5(shijuewucha)=0.55baryalibiansongqidewuchazhi。

压力变送器常见故障排除方法

百家乐官网zongtilaishuoduibiansongqizaishiyongguochengzhongchuxiandeyixieguzhangfenxihechulizhuyaoyouyixiajizhongfangfa:

百家乐官网a、tihuanfa: zhunbeiyikuaizhengchangshiyongdebiansongqizhijietihuanhuaiyiyouguzhangde,zheiyangkeyijiandankuaijiedepandingshibiansongqibenshendeguzhanghaishiguanluhuoqitashebeideguzhang。

百家乐官网b、duanlufa: jianghuaiyiyouguzhangdebufenyuqitabufenfenkailai,chakanguzhangshifouxiaoshi,ruguoxiaoshi,zequedingguzhangsuozai,fouzekejinxingxiayibuchazhao,ru: zhinengchayabiansongqibunengzhengchanghartyuanchengtongxun,kejiangdianyuancongyibiaobentishangduankai,yongxianchanglingjiadianyuandefangfaweibiansongqitongdianjinxingtongxun,yichakanshifoudianlanshifoudiejiayue2khzdediancixinhaoerganraotongxun。

c、duanlujiance: zaibaozhenganquandeqingkuangxia,jiangxiangguanbufenhuiluzhijieduanjie,ru: chabiansongqishuchuzhipianxiao,kejiangdaoyaguanduankai,congyiciquyafawaizhijiejiangchayaxinhaozhijieyindaochayabiansongqishuangce,guanchabiansongqishuchu,yipanduandaoyaguanludedu、loudeliantongxing。

变送器输出信号不稳

chuxianzheizhongqingkuangyingkaolv: a.yaliyuanbenshenshiyigebuwendingdeyali;b.yibiaohuoyalichuanganqikangganraonenglibuqiang;c.chuanganqijiexianbulao;d.chuanganqibenshenzhendonghenlihai;e.chuanganqiguzhang。

加压变送器输出不变化,再加压输出突然变化,泄压变送器零位回不去

百家乐官网jianchachuanganqiqimifengquan,yibanshiyinweimifengquanguigeyuanyin(tairuanhuotaihou),chuanganqiningjinshi,mifengquanbeiyasuodaochuanganqiyinyakoulimiandusaichuanganqi,jiayashiyalijiezhijinbuqu,danshiyalihendashituranchongkaimifengquan,yalichuanganqishoudaoyalierbianhua,eryalizaicijiangdishi,mifengquanyouhuiweiduzhuyinyakou,cancundeyalishifangbuchu,yincichuanganqilingweiyouxiabulai。paichuciyuanyinfangfashijiangchuanganqixiexiakanlingweishifouzhengchang,ruguozhengchanggenghuanmifengquanzaishi。

压力上去,变送器输出上不去,加压变送器输出不变化,再加压变送器输出突然变化,泄压变送器零位回不去

zheizhongqingkuangyingjianchayalijiekoushifoulouqihuozhebeiduzhu,zaijianchajiexianfangshihedianyuan,ruguozhengchangzaichakanchuanganqilingweishifouyoushuchu,huozhejinxingjiandanjiayakanshuchushifoubianhua,youbianhuazhengmingchuanganqimeiyousunhuai,ruguowubianhuachuanganqijiyijingsunhuai。zuihouzaikaolvhaikenengshiyibiaosunhuai,huozhezhenggexitongdeqitahuanjiedewenti。

变送器接电无输出

A、压力变送器接错线(仪表和传感器都要检查);
B、导线本身的断路或短路;
C、电源无输出或电源不匹配;
D、仪表损坏或仪表不匹配;
E、传感器损坏。

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