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1、穩定性

在規定(ding)工(gong)(gong)作的(de)(de)(de)條(tiao)件內(nei)，稱(cheng)重儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)某(mou)些(xie)性(xing)(xing)(xing)能(neng)(neng)隨(sui)(sui)時(shi)(shi)間(jian)保持不(bu)變(bian)的(de)(de)(de)能(neng)(neng)力稱(cheng)為穩(wen)(wen)定(ding)性(xing)(xing)(xing)。儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)穩(wen)(wen)定(ding)性(xing)(xing)(xing)是化(hua)工(gong)(gong)企業(ye)儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)工(gong)(gong)十分關心的(de)(de)(de)一個(ge)性(xing)(xing)(xing)能(neng)(neng)指標。由于化(hua)工(gong)(gong)企業(ye)使用儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)環境相對比較(jiao)惡劣，被(bei)測量(liang)的(de)(de)(de)介質溫度、壓(ya)力變(bian)化(hua)也相對比較(jiao)大(da)，在這種(zhong)環境中(zhong)投(tou)入(ru)儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)使用，儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)某(mou)些(xie)部件隨(sui)(sui)時(shi)(shi)間(jian)保持不(bu)變(bian)的(de)(de)(de)能(neng)(neng)力會(hui)降低，儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)穩(wen)(wen)定(ding)性(xing)(xing)(xing)會(hui)下(xia)降。徇或(huo)表(biao)(biao)(biao)(biao)(biao)(biao)征儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)穩(wen)(wen)定(ding)性(xing)(xing)(xing)現在尚未有定(ding)量(liang)值，化(hua)工(gong)(gong)企業(ye)通常用儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)零(ling)漂移(yi)來衡(heng)量(liang)儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)穩(wen)(wen)定(ding)性(xing)(xing)(xing)。儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)投(tou)入(ru)運行一年(nian)之中(zhong)零(ling)位沒有漂移(yi)，相反儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)投(tou)入(ru)運行不(bu)到3個(ge)月(yue)，儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)零(ling)位就變(bian)了，說明穩(wen)(wen)定(ding)性(xing)(xing)(xing)不(bu)好。稱(cheng)重儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)穩(wen)(wen)定(ding)性(xing)(xing)(xing)的(de)(de)(de)好壞直(zhi)接關系到儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)使用范圍，有時(shi)(shi)直(zhi)接影(ying)響(xiang)化(hua)工(gong)(gong)生產，穩(wen)(wen)定(ding)性(xing)(xing)(xing)不(bu)好造成的(de)(de)(de)影(ying)響(xiang)往(wang)往(wang)雙儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)精(jing)度下(xia)降對化(hua)工(gong)(gong)生產的(de)(de)(de)影(ying)響(xiang)還要大(da)。穩(wen)(wen)定(ding)性(xing)(xing)(xing)不(bu)好儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)維護量(liang)也大(da)，是儀(yi)(yi)表(biao)(biao)(biao)(biao)(biao)(biao)工(gong)(gong)最不(bu)希(xi)望出現的(de)(de)(de)事情(qing)。

2、可靠性

稱(cheng)重控制儀(yi)表(biao)(biao)可靠性(xing)是化(hua)(hua)工(gong)(gong)企(qi)(qi)業儀(yi)表(biao)(biao)工(gong)(gong)所追求的(de)另(ling)一重要(yao)性(xing)能指標。可靠性(xing)和儀(yi)表(biao)(biao)維(wei)(wei)護(hu)(hu)量是相反相成的(de)，儀(yi)表(biao)(biao)可靠性(xing)高(gao)說明(ming)儀(yi)表(biao)(biao)維(wei)(wei)護(hu)(hu)量小，反之儀(yi)表(biao)(biao)可靠性(xing)差，儀(yi)表(biao)(biao)維(wei)(wei)護(hu)(hu)量就(jiu)大。對(dui)于(yu)化(hua)(hua)工(gong)(gong)企(qi)(qi)業檢測與過(guo)程控制儀(yi)表(biao)(biao)，大部(bu)分(fen)安裝(zhuang)在(zai)工(gong)(gong)藝(yi)管道(dao)、各類塔、釜、罐(guan)、器(qi)上，而(er)且(qie)化(hua)(hua)工(gong)(gong)生(sheng)產的(de)連續(xu)性(xing)，多數有(you)毒(du)、易燃易爆的(de)環(huan)境(jing)，這些(xie)惡(e)劣條(tiao)件給(gei)儀(yi)表(biao)(biao)維(wei)(wei)護(hu)(hu)增加(jia)了很(hen)多困(kun)難，一是考慮(lv)化(hua)(hua)工(gong)(gong)生(sheng)產安全，二是關系(xi)到(dao)儀(yi)表(biao)(biao)維(wei)(wei)護(hu)(hu)人(ren)員(yuan)人(ren)身安全，所以化(hua)(hua)工(gong)(gong)企(qi)(qi)業使(shi)用檢測與過(guo)程稱(cheng)重控制儀(yi)表(biao)(biao)要(yao)求維(wei)(wei)護(hu)(hu)量越(yue)小越(yue)好，亦即要(yao)求儀(yi)表(biao)(biao)可靠性(xing)盡可能地高(gao)。

隨著儀表更新(xin)換代，特別(bie)是微電(dian)子技術引入稱重(zhong)(zhong)儀表制造行(xing)業，使(shi)儀表可告性(xing)大大提高。儀表生產(chan)廠商對這個性(xing)能(neng)指標也越(yue)來(lai)越(yue)重(zhong)(zhong)視，通常(chang)用平均無故障時間MTBF來(lai)描述儀表的可靠性(xing)。一臺全(quan)智能(neng)稱重(zhong)(zhong)變送器(qi)的MTBF比(bi)一般非智能(neng)儀表如電(dian)動Ⅲ變送器(qi)要高10倍左(zuo)右，它可高達100~390年。

青島正衡電子衡器有限公司座落于古城即墨西部工業園內，是一家集青島地磅的科研、生產(chan)、銷(xiao)(xiao)售于一體的高科技公(gong)(gong)司。公(gong)(gong)司擁有各類(lei)從事青(qing)島地(di)磅(bang)行(xing)業多年的技術、管理、營銷(xiao)(xiao)等專業人才，以及擁有各種(zhong)國內(nei)先進(jin)的生產(chan)和檢測設備。銷(xiao)(xiao)售熱線(xian)：0532-89068997

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