安康熱(re)電偶220Vac;110/220Vac;85-265VAC/DC開關電源,24Vdc(一般(ban)要(yao)(yao)訂制),5Vdc(小(xiao)(xiao)面板(ban)表(biao)(biao)(biao))。5、儀(yi)表(biao)(biao)(biao)功(gong)(gong)能。儀(yi)表(biao)(biao)(biao)功(gong)(gong)能一般(ban)都是(shi)(shi)模塊化的(de),可(ke)選(xuan)(xuan)擇的(de),儀(yi)表(biao)(biao)(biao)價格也會隨功(gong)(gong)能不(bu)(bu)一樣而(er)有所差異,數(shu)(shu)顯表(biao)(biao)(biao)主要(yao)(yao)有以下可(ke)選(xuan)(xuan)功(gong)(gong)能:功(gong)(gong)能及(ji)輸出(chu)(chu)的(de)組數(shu)(shu)(即繼電器動作(zuo)輸出(chu)(chu)),饋(kui)電電源輸出(chu)(chu)及(ji)輸出(chu)(chu)電壓的(de)大(da)小(xiao)(xiao)及(ji)功(gong)(gong)率,變送(song)輸出(chu)(chu)及(ji)變送(song)輸出(chu)(chu)的(de)類型(xing)(xing)(xing)(4-20mA還(huan)是(shi)(shi)0-10V等(deng)(deng)(deng)),通訊輸出(chu)(chu)及(ji)通訊方(fang)式和協(xie)議(yi)(RS485還(huan)是(shi)(shi)RS232,是(shi)(shi)Modbus還(huan)是(shi)(shi)其(qi)他協(xie)議(yi)),對(dui)于調(diao)節控(kong)制儀(yi)表(biao)(biao)(biao),可(ke)選(xuan)(xuan)功(gong)(gong)能就(jiu)更(geng)多,具體(ti)要(yao)(yao)參(can)照廠家(jia)(jia)的(de)選(xuan)(xuan)型(xing)(xing)(xing)譜選(xuan)(xuan)出(chu)(chu)一個規范(fan)的(de)型(xing)(xing)(xing)號,并與廠家(jia)(jia)溝通并確(que)認無誤后(hou)才(cai)可(ke)以訂貨。6、幾個比較重要(yao)(yao)的(de)參(can)數(shu)(shu)要(yao)(yao)關注(zhu)一下:測量精度(du)(du)(值(zhi)(zhi)越(yue)小(xiao)(xiao)越(yue))、響應速度(du)(du)(值(zhi)(zhi)越(yue)小(xiao)(xiao)響應越(yue)快)、工(gong)(gong)(gong)作(zuo)環境、溫(wen)(wen)(wen)度(du)(du)系數(shu)(shu)(值(zhi)(zhi)越(yue)小(xiao)(xiao)受溫(wen)(wen)(wen)度(du)(du)影響越(yue)小(xiao)(xiao))、過(guo)載能力7、特殊要(yao)(yao)求(qiu)(qiu)。若(ruo)用(yong)戶有特殊要(yao)(yao)求(qiu)(qiu)就(jiu)應提出(chu)(chu)來(lai),讓廠家(jia)(jia)確(que)認能否滿足要(yao)(yao)求(qiu)(qiu),千萬不(bu)(bu)能想當然,比如:IP防護(hu)等(deng)(deng)(deng)級、高溫(wen)(wen)(wen)工(gong)(gong)(gong)作(zuo)場合(he)(he)、強干(gan)擾場合(he)(he)、特殊信(xin)號場合(he)(he)、特殊工(gong)(gong)(gong)作(zuo)方(fang)式等(deng)(deng)(deng)等(deng)(deng)(deng)。其(qi)實,數(shu)(shu)顯表(biao)(biao)(biao)選(xuan)(xuan)型(xing)(xing)(xing)并不(bu)(bu)復(fu)雜,對(dui)于簡單的(de)數(shu)(shu)顯表(biao)(biao)(biao)一般(ban)買過(guo)來(lai)就(jiu)可(ke)以用(yong)了,對(dui)于初次使用(yong)或選(xuan)(xuan)用(yong)功(gong)(gong)能復(fu)雜數(shu)(shu)顯表(biao)(biao)(biao)的(de)用(yong)戶只(zhi)要(yao)(yao)把握了以上幾點(dian),也能很(hen)好(hao)的(de)選(xuan)(xuan)購到合(he)(he)適的(de)產品。智(zhi)能儀(yi)表(biao)(biao)(biao)的(de)特點(dian)編輯(ji)
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