電磁流量計校驗零點的必要性
電磁流量計實(shi)際(ji)流(liu)量(liang)為(wei)零(ling),而(er)流(liu)量(liang)計(ji)卻(que)有(you)流(liu)量(liang)顯(xian)示(shi),流(liu)量(liang)顯(xian)示(shi)不(bu)回(hui)零(ling),這(zhe)個(ge)時(shi)候(hou)就(jiu)要(yao)考(kao)慮(lv)校(xiao)驗(yan)零(ling)點(dian)。投(tou)入(ru)運(yun)行(xing)後(hou)亦(yi)要(yao)針(zhen)對(dui)使(shi)用(yong)條(tiao)件(jian)定(ding)期(qi)停(ting)流(liu)作(zuo)零(ling)點(dian)檢(jian)查(zha)。尤(you)其(qi)對(dui)沉(chen)澱(dian)、易汙染電極,電磁流量計投入運行前,含有固相的非清潔液,運行初期應多作檢查,以獲得經驗確定正常檢查周期。
交jiao流liu激ji磁ci方fang式shi的de電dian磁ci流liu量liang計ji與yu矩ju形xing波bo激ji比bi,更geng易yi產chan生sheng零ling點dian漂piao移yi,因yin此ci更geng要yao注zhu意yi檢jian查zha和he調tiao整zheng。蘇su科ke電dian磁ci流liu量liang計ji的de電dian磁ci轉zhuan換huan器qi的de具ju有you自zi動dong檢jian驗yan零ling點dian功gong能neng,使shi用yong此ci功gong能neng來lai獲huo取qu儀yi表biao零ling點dian。
1、在確保閥門等不存在泄露的前提下,如果流量不回零,則在保證滿管的情況下重新校準零點;
2、檢查轉換器中的參數是否和出廠時參數一致;
3、保存轉換器自動采樣的校驗零點數值;
流量計delingdianxiaoyanfeichangzhongyao。lingdianshifoucaiyangzhunquezhijieyingxiangyibiaodexianxingdu。quebaoguandaozhongchongmanliutibingqiechuyujingzhizhuangtai,lianghaojiedi。tongguoyishangsangebuzhou,dianciliuliangjidelingdianxiaoyanwancheng,liuliangjidelingdianhuiling,keyizaicitourushengchankongzhiguochengzhongcanyuliuliangcelianghekongzhi。