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江蘇華仁儀表有限公司

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差壓變送器的現場校準最新方法

文章出處:華仁儀表 發表時間:2019-12-19 16:21

差壓變送器在工廠有廣泛的應用,為保證其正常運行及準確性,定期檢查、校準是很有必要的。現介紹一種不用拆除導壓管就進行現場校準的方法。

秒速赛车看   YI、ZHUNBEIGONGZUO:

  WOMENZHIDAOCHAYABIANSONGQIZAIYINGYONGZHONGSHIYUDAOYAGUANXIANGLIANJIEDE,TONGCHANGDEZUOFA,XUYAOBADAOYAGUANHECHAYABIANSONGQIDEJIETOUCHAIKAI,ZAIJIERUYALIYUANJINXINGXIAOZHUN。ZHEYANGSHIHENMAFANDE,BINGQIEGONGZUOHELAODONGQIANGDUDA,ZUIDANXINDESHICHAIZHUANGJIETOUSHIBADAOYAGUANBANDUANHUOCHUXIANXIELOUWENTI。WOMENZHIDAOBUGUANSHENMEXINGHAODECHAYABIANSONGQI,QIZHENG、FUYASHIDOUYOUPAIQI、PAIYEFAHUOXUANSAI;ZHEJIUWEIWOMENXIANCHANGXIAOZHUNCHAYABIANSONGQITIGONGLEFANGBIAN,YEJIUSHISHUOBUYONGCHAICHUDAOYAGUANJIUKEXIAOZHUNCHAYABIANSONGQI。DUICHAYABIANSONGQIJINXINGXIAOZHUNSHI,XIANBASANFAZUDEZHENG、FUFAMENGUANBI,DAKAIPINGHENGFAMEN,RANHOUXUANSONGPAIQI、PAIYEFAHUOXUANSAIFANGKONG,RANHOUYONGZIZHIDEJIETOULAIDAITIJIEZHENGYASHIDEPAIQI、PAIYEFAHUOXUANSAI;ERFUYASHIZEBAOCHIXUANSONGZHUANGTAI,SHIQITONGDAQI。YALIYUANTONGGUOJIAOPIGUANYUZIZHIJIETOUXIANGLIANJIE,GUANBIPINGHENGFAMEN,BINGJIANCHAQILUMIFENGQINGKUANG,RANHOUBADIANLIUBIAO(DIANYABIAO)、SHOUCAOQIJIERUBIANSONGQISHUCHUDIANLUZHONG,TONGDIANYUREHOUKAISHIXIAOZHUN。

 
  二、常規差壓變送器的校準:

  XIANJIANGZUNIDIAOZHILINGZHUANGTAI,XIANDIAOLINGDIAN,RANHOUJIAMANDUYALIDIAOMANLIANGCHENG,SHISHUCHUWEI20mA,ZAIXIANCHANGDIAOXIAOJIANGDESHIKUAI,ZAICIJIESHAOLINGDIAN、LIANGCHENGDEKUAISUDIAOXIAOFA。DIAOLINGDIANSHIDUIMANDUJIHUMEIYOUYINGXIANG,DANDIAOMANDUSHIDUILINGDIANYOUYINGXIANG,ZAIBUDAIQIANYISHIQIYINGXIANGYUEWEILIANGCHENGDIAOZHENGLIANGDE1/5,JILIANGCHENGXIANGSHANGDIAOZHENG1mA,LINGDIANJIANGXIANGSHANGYIDONGYUE0.2mA,FANZHIYIRAN。LIRU:SHURUMANLIANGCHENGYALIWEI100Kpa,GAIDUSHUWEI19.900mA,DIAOLIANGCHENGDIANWEIQISHISHUCHUWEI19.900+(20.000-19.900)×1.25=20.025mA.LIANGCHENGZENGJIA0.125mA,ZELINGDIANZENGJIA1/5×0.125=0.025.DIAOLINGDIANDIANWEIQISHISHUCHUWEI20.000mA.LINGDIANHEMANLIANGCHENGDIAOXIAOZHENGCHANGHOU,ZAIJIANCHAZHONGJIANGEKEDU,KANQISHIFOUCHAOCHA?BIYAOSHIJINXINGWEIDIAO。RANHOUJINXINGQIANYI、XIANXING、ZUNIDEDIAOZHENGGONGZUO。

秒速赛车看   SAN、ZHINENGCHAYABIANSONGQIDEXIAOZHUN

秒速赛车看   YONGSHANGSHUDECHANGGUIFANGFADUIZHINENGBIANSONGQIJINXINGXIAOZHUNSHIBUXINGDE,YINWEIZHESHIYOUHARTBIANSONGQIJIEGOUYUANLISUOJUEDINGLE。YINWEIZHINENGBIANSONGQIZAISHURUYALIYUANHECHANSHENGDE4-20mADIANLIUXINHAOZHIJIAN,CHUJIXIE、DIANLUWAI,HUANYOUWEICHULIXINPIANDUISHURUSHUJUDEYUNSUANGONGZUO。YINCIDIAOXIAOYUCHANGGUIFANGFAYOUSUOQUBIE。;V???_7@)m7v#FSHIJISHANGCHANGJIADUIZHINENGBIANSONGQIDEXIAOZHUNYESHIYOUSHUOMINGDE,RUABBDEBIANSONGQI,DUIXIAOZHUNJIUYOU:“SHEDINGLIANGCHENG”、“ZHONGDINGLIANGCHENG”、“WEIDIAO”ZHIFEN。QIZHONG“SHEDINGLIANGCHENG”CAOZUOZHUYAOSHITONGGUOLRV.URVDESHUZISHEDINGLAIWANCHENGPEIZHIGONGZUO,ER“ZHONGDINGLIANGCHENG”CAOZUOZEYAOQIUJIANGBIANSONGQILIANJIEDAOBIAOZHUNYALIYUANSHANG,TONGGUOYIXILIEZHILINGYINDAO,YOUBIANSONGQIZHIJIEGANYINGSHIJIYALIBINGDUISHUZHIJINXINGSHEZHI。ERLIANGCHENGDECHUSHI、ZUIZHONGSHEZHIZHIJIEQUJUEYUZHENSHIDEYALISHURUZHI。DANYAOKANDAOJINGUANBIANSONGQIDEMONISHUCHUYUSUOYONGDESHURUZHIGUANXIZHENGQUE,DANGUOCHENGZHIDESHUZIDUSHUXIANSHIDESHUZHIHUILVEYOUBUTONG,ZHEKETONGGUOWEIDIAOXIANGLAIJINXINGXIAOZHUN。YOUYUGEBUFENJIYAODANDUDIAOXIAOYOUBIXUYAOLIANDIAO,YINCISHIJIXIAOZHUNSHIKEANYIXIABUZOUJINXING:

秒速赛车看   1.XIANZUOYICI4-20mAWEIDIAO,YONGYIXIAOZHENGBIANSONGQINEIBUDED/AZHUANHUANQI,YOUYUQIBUSHEJICHUANGANBUJIAN,WUXUWAIBUYALIXINHAOYUAN。

  2.ZAIZUOYICIQUANCHENGWEIDIAO,SHI4-20mA、SHUZIDUSHUYUSHIJISHIJIADEYALIXINHAOXIANGWENHE,YINCIXUYAOYALIXINHAOYUAN。

  3.ZUIHOUZUOZHONGDINGLIANGCHENG,TONGGUODIAOZHENGSHIMONISHUCHU4-20mAYUWAIJIADEYALIXINHAOYUANXIANGWENHE,QIZUOYONGYUBIANSONGQIWAIKESHANGDEDIAOLING(Z)、DIAOLIANGCHENG(R)KAIGUANDEZUOYONGWANQUANXIANGTONG。

  WENTITAOLUN:

  YOUDERENRENWEI,ZHIYAOYONGHARTSHOUCAOQIJIUKEGAIBIANZHINENGBIANSONGQILIANGCHENG,BINGKEJINXINGLINGDIANHELIANGCHENGDEDIAOZHENGGONGZUO,ERBUXUYAOSHURUYALIYUAN,DANZHEZHONGZUOFABUNENGCHENGWEIXIAOZHUN,ZHINENGCHENGWEI“SHEDINGLIANGCHENG”。ZHENZHENGDEXIAOZHUNSHIXUYAOYONGYITAIBIAOZHUNYALIYUANSHURUBIANSONGQIDE。YINWEIBUSHIYONGBIAOZHUNQIERDIAOLIANGCHENG(LRV、URV)BUSHIXIAOZHUN,HULVESHURUBUFEN(SHURUBIANSONGQIDEYALI)LAIJINXINGSHUCHUDIAOJIE(BIANSONGQIDEZHUANHUANDIANLU)BUSHIZHENGQUEDEXIAOZHUN。ZAIZHEYALI、CHAYAJIANCEBUJIANYUA/DZHUANHUANDIANLU、DIANLIUSHUCHUDEGUANXIBINGBUDUIDENG,XIAOZHUNDEMUDEJIUSHIZHAOZHUNSANZHEDEBIANHUAGUANXI。QIANGDIAOYIDIAN:ZHIYOUDUISHURUHESHUCHU(SHURUBIANSONGQIDEYALI、A/DZHUANHUANDIANLU、HUANLUDIANLIUSHUCHUDIANLU)YIQIDIAOSHI,CAICHENGDESHANGSHIZHENZHENGYIYISHANGDEXIAOZHUN。

  SI、JIDIANJIANYI

  DIAOXIAOGONGZUOJIESHUHOU,YAOBAPAIQI、PAIYEFAHUOHEXUANSAIXUANHUIYUANWEI,BINGYINGCHANSHANGSHENGLIAODAI,YAOXUANJINBAOZHENGBUXIELOU,DANXUANJINQIANYINGGAIXIANJINXINGZHENG、FUYASHIDEPAIQI、PAIYEGONGZUO。CISHIHUANKELIYONGGONGYIYALI,JINXINGJIANYIDEBIANSONGQIJINGYAWUCHAJIANCHAGONGZUO。

秒速赛车看   YONGZHINENGCHAYABIANSONGQILAIDIAOXIAOWEIYAYIBIAO

  YONGZHINENGCHAYABIANSONGQILAIDIAOXIAOWEIYAYIBIAOSHIYIZHONGSHIYONG、YOUXIAOYOUBUBEIDAJIASHUZHIDEDIAOXIAOFANGFAWEIYALI、WEICHAYAYIBIAOHUOBIANSONGQI,ZAIGONGCHANGYOUGUANGFANYINGYONG,QIEDUOSHUYIBIAOZHUNQUEDUWEI1.0-2.5JI。WEIYAYIBIAODIAOXIAODOUBUTAIFUZA,GUANJIANSHIYALIBIAOZHUNBIAODEXUANZE,YOUSHIHENNANXUANDAOHEHUYAOQIUDEBIAOZHUNBIAO,ZHISHIDIAOXIAOJIEGUONANBAOZHENGYIBIAOZHUNQUEDU。

  CHAYABIANSONGQIJUYOUZHUNQUEDUGAO,WENDUWUCHAHEJINGYAWUCHAXIAO,LIANGCHENGKEDIAOBIDA,TONGGUOSHOUCAOTONGXINQIJIUKEZHIJIEDUIZHINENGCHAYABIANSONGQIJINXINGCAOZUO,BINGKEJINXINGJILIANGDANWEIDEHUANSUANRUPa、kPaDENG。YOUYUZHINENGCHAYABIANSONGQIDESHANGSHUTEDIAN,SHIQIYOUKENENGZUOWEIYALIJIANCEBIAOZHUNBIAO,DUIWEIYAYIBIAOJINXINGDIAOXIAO,DIAOXIAOJIEXIANRUTUSUOSHI。TONGDIANYUREHOU,YONGSHOUCAOTONGXINQI,JIANGZHINENGCHAYABIANSONGQIDEJILIANGDANWEIDIAOZHIYUBEIDIAOXIAOWEICHAYABIANSONGQIYIZHI,BINGSHIQISHUCHUSHEDINGWEIXIANXING。RANHOUDIAOZHENGYALIYUANDEYALI,YONGSHOUCAOTONGXINQIDUQUZHINENGBIANSONGQISHURUYALIDEZHUNQUESHUZHI,JIKEZHENGSHIDIAOXIAOWEIYAYIBIAOLE。XIANQUEDINGBEIDIAOXIAOYIBIAOGEXIAOYANDIANDESHURUYALIZHI,RANHOUYOUYALIYUANSHURUYALI,GESHURUYALIDEBIAOZHUNZHIYOUSHOUCAOTONGXINQIDUQU,ZHUDIANXIAOYANWEIYAYIBIAOSHIZHI,ZAIGENJUJILUJISUANCHUBEIXIAOYIBIAOGEDIANDEWUCHA,RUOCHAOCHAZAIJINXINGDIAOZHENG。

 

 

  YUWEICHAYABIANSONGQIPEIYONGDESHUXIANBIAO,RUOSHURUXINHAOWEI4-20mASHI。YEKEJIANGZHINENGBIANSONGQISHEDINGWEI4-20mADEHENGLIUYUAN。RANHOUDUIERCIYIBIAOJINXINGDIAOXIAO。YONGZHINENGCHAYABIANSONGQILAIDIAOXIAOWEICHAYABIANSONGQIYAOSHUOMINGDEJIGEWENTISHI:

秒速赛车看   1、ZHINENGCHAYABIANSONGQIYIBANZHUNQUEDUZAISHANG0.1%ZUOYOU,ERGUOCHANDESHUZIYALIJIDEZHUNQUEDUDADUOWEI0.05%JIHE0.1%JI,DAN0.05JIDEWEIYASHUZIYALIJIHENSHAO。YONGZHINENGBIANSONGQIZUOBIAOZHUNBIAOSHIYONGSHI,SUIRANSHOUGONGDIANDIANYA、ZHONGLIJIASUDU、WENDUDENGYINSUDEYINGXIANG。DANZHENGTAOXIAOYANZHUANGZHIDEZONGBUQUEDINGDURENGXIAOYU0.2%。YINCIYONGQILAIDIAOXIAO1-2.5JIDEWEIYAYIBIAOSHIWANQUANBIAOKEYIMANZUYAOQIUDE。DANGRANHUANYINGDINGQIDUIZHINENGBIANSONGQIJINXINGJIANDING。

  2、ZAIDIAOSHIZHONGRUFAXIANZHINENGCHAYABIANSONGQIDECELIANGTOUCHUIZHIFANGZHISHI,SUIWUYALISHURU,WENDANSHOUCAOTONGXINQISHANGRENGKEDUCHUYIGEHENXIAODEYALISHIZHI,ZHESHIYOUYUCELIANGMOPIANZIZHONGYINQIDE,SHUZHENGCHANGXIANXIANG。JIEJUEBANFASHI,SHAOWEIGAIBIANZHINENGCHAYABIANSONGQIDEFANGZHIWEIZHI,SHIZHINENGCHAYABIANSONGQIZAIWUYALISHURUSHI,SHOUCAOTONGXINQIDEYALIDUSHUWEILINGJIKE。

  3、DUIYUYISHIYONGZHINENGBIANSONGQIDEQIYE,CAIYONGYONGZHINENGCHAYABIANSONGQILAIDIAOXIAOWEIYAYIBIAOSHIHENJINGJIDE,BUYONGZENGJIARENHETOUZI,DUIHUANMEIYOUSHIYONGZHINENGBIANSONGQIDEQIYE,RUGOUZHIZHINENGBIANSONGQIJISHOUCAOTONGXINQI,ZHUANMENYONGZHINENGCHAYABIANSONGQILAIDIAOXIAOWEIYAYIBIAOSHIFOUHESUANYINGQUANHENGBIJIAO。

 

此文關鍵字:差壓,變送器,的,現場,校準,最,新方法,差壓,
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