SBWZ-2480/WZP-233溫度變送器

一體(ti)化防爆熱電(dian)阻的(de)(de)輸出(chu)為統一的(de)(de)4～20mA；可與(yu)微機或(huo)其(qi)它常(chang)規儀表匹配使(shi)用。

傳感器(qi)連接(jie)形成(cheng)一體(ti)化，輸(shu)出(chu)4-20mA 電(dian)(dian)(dian)(dian)流或(huo)也(ye)可以(yi)(yi)輸(shu)出(chu)0-5V或(huo)1-5V的(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)。通常和顯示儀表、記錄(lu)儀表、電(dian)(dian)(dian)(dian)子計算機等(deng)配套用，直(zhi)接(jie)測(ce)量(liang)各種生(sheng)(sheng)產(chan)(chan)中(zhong)的(de)(de)(de)0度(du)(du)-500度(du)(du)范圍內(nei)的(de)(de)(de)、蒸汽和氣(qi)(qi)體(ti)介質以(yi)(yi)及固體(ti)表面溫(wen)度(du)(du)。溫(wen)度(du)(du)變(bian)送(song)器(qi)一般由(you)(you)(you)基準源、冷(leng)端(duan)補(bu)償、放(fang)大(da)(da)(da)單元、線(xian)(xian)(xian)性化處(chu)理(li)、V/I轉(zhuan)換(huan)、斷(duan)偶處(chu)理(li)、反接(jie)保(bao)護(hu)(hu)、限(xian)流保(bao)護(hu)(hu)等(deng)電(dian)(dian)(dian)(dian)路(lu)單元組成(cheng)。它(ta)是將(jiang)熱(re)(re)電(dian)(dian)(dian)(dian)阻(zu)(zu)產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)(zu)經冷(leng)端(duan)補(bu)償放(fang)大(da)(da)(da)后，再帽由(you)(you)(you)線(xian)(xian)(xian)性電(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)阻(zu)(zu)與(yu)溫(wen)度(du)(du)的(de)(de)(de)非線(xian)(xian)(xian)性誤(wu)(wu)差，后放(fang)大(da)(da)(da)轉(zhuan)換(huan)為(wei)(wei)(wei)4～20mA電(dian)(dian)(dian)(dian)流輸(shu)出(chu)。它(ta)是將(jiang)熱(re)(re)電(dian)(dian)(dian)(dian)阻(zu)(zu)產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)電(dian)(dian)(dian)(dian)阻(zu)(zu)經冷(leng)端(duan)補(bu)償放(fang)大(da)(da)(da)后，再帽由(you)(you)(you)線(xian)(xian)(xian)性電(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)阻(zu)(zu)與(yu)溫(wen)度(du)(du)的(de)(de)(de)非線(xian)(xian)(xian)性誤(wu)(wu)差，后放(fang)大(da)(da)(da)轉(zhuan)換(huan)為(wei)(wei)(wei)4～20mA電(dian)(dian)(dian)(dian)流輸(shu)出(chu)。為(wei)(wei)(wei)防止(zhi)熱(re)(re)電(dian)(dian)(dian)(dian)阻(zu)(zu)測(ce)量(liang)中(zhong)由(you)(you)(you)于斷(duan)絲而使(shi)控(kong)溫(wen)失效造成(cheng)事故(gu)，變(bian)送(song)器(qi)中(zhong)還(huan)設有斷(duan)電(dian)(dian)(dian)(dian)保(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)路(lu)。當熱(re)(re)電(dian)(dian)(dian)(dian)絲或(huo)接(jie)解(jie)不良時，變(bian)送(song)器(qi)會輸(shu)出(chu)大(da)(da)(da)值（28mA）以(yi)(yi)使(shi)儀表切斷(duan)電(dian)(dian)(dian)(dian)源。　溫(wen)度(du)(du)變(bian)送(song)器(qi)模塊為(wei)(wei)(wei)24V供電(dian)(dian)(dian)(dian)、二線(xian)(xian)(xian)制(zhi)或(huo)三線(xian)(xian)(xian)制(zhi)的(de)(de)(de)一體(ti)化熱(re)(re)電(dian)(dian)(dian)(dian)阻(zu)(zu)。產(chan)(chan)品采用進口集成(cheng)電(dian)(dian)(dian)(dian)路(lu)，將(jiang)熱(re)(re)電(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)放(fang)大(da)(da)(da)，并轉(zhuan)換(huan)成(cheng)4-20mA的(de)(de)(de)輸(shu)出(chu)電(dian)(dian)(dian)(dian)流,或(huo)0～5V的(de)(de)(de)輸(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)。其(qi)中(zhong)鎧裝變(bian)送(song)器(qi)可以(yi)(yi)直(zhi)接(jie)測(ce)量(liang)氣(qi)(qi)體(ti)或(huo)的(de)(de)(de)溫(wen)度(du)(du)特別適用于低溫(wen)范圍測(ce)量(liang)，克服(fu)了冷(leng)凝水對(dui)測(ce)溫(wen)所帶(dai)來的(de)(de)(de)影響.

WZ-2480/WZP-233鎧裝熱(re)電阻上海自(zi)動化儀表(biao)三廠

工作原(yuan)理
鎧裝熱(re)(re)電(dian)阻(zu)工作原理：在溫(wen)度作用下，熱(re)(re)電(dian)阻(zu)絲的電(dian)阻(zu)隨(sui)之變化而變化，顯示儀(yi)表(biao)將會指示熱(re)(re)電(dian)阻(zu)產生的電(dian)阻(zu)值所對應的溫(wen)度值。
主要技術指標 
熱電阻(zu)感溫(wen)元件100℃時的(de)電阻(zu)值(zhi)（R100）和(he)它(ta)在(zai)0℃時的(de)電阻(zu)R0比值(zhi)：（R100/R0）
分度號Pt100： R0=100±0.06Ω 
B級 R0=100±0.12Ω
R0/R100=1.3850

量程(cheng)規格

SBWZ-2480/WZP-233溫度變送器型號表示

它是將熱(re)電阻產生的電阻經冷端補償(chang)放大(da)后(hou)，再帽由線性電路(lu)電阻與(yu)溫(wen)度的非線性誤(wu)差，后(hou)放大(da)轉換為(wei)4～20mA電流輸(shu)出(chu)。為(wei)防止熱(re)電阻測(ce)量中由于斷(duan)絲而使控溫(wen)失效造成事故，變送(song)器中還設有斷(duan)電保護電路(lu)。當熱(re)電絲或接解不良時，變送(song)器會輸(shu)出(chu)大(da)值(zhi)（28mA）以使儀(yi)表切斷(duan)電源。

隔(ge)爆熱(re)電偶(ou)（阻(zu)）利用間隙隔(ge)爆原(yuan)理，當發(fa)生時，能通過(guo)接合面間隙熄火(huo)(huo)和(he)冷卻，使后的(de)火(huo)(huo)焰(yan)和(he)溫(wen)度傳(chuan)不到腔(qiang)外，從而進(jin)行測溫(wen)。熱(re)電偶(ou)（阻(zu)）產生的(de)熱(re)電勢（電阻(zu)值(zhi)）經過(guo)溫(wen)度變(bian)送器的(de)電橋產生不平衡，經放大(da)后轉換(huan)成為(wei)4-20mA的(de)直流(liu)電給工(gong)作儀表(biao)，工(gong)作儀表(biao)顯示出所對應的(de)溫(wen)度值(zhi)。

也可用戶(hu)要求做成防爆型或防火型測(ce)量儀(yi)表帶溫度變送器(qi)熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)又稱一體化(hua)防爆熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)，一體化(hua)防爆熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)是指(zhi)在熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)的防水或隔爆接線盒內裝入(ru)放大變送模(mo)塊(kuai)（即溫度變送器(qi)），與傳感器(qi)連接形成一體化(hua)，輸出(chu)4-20mA電(dian)(dian)流或也可以輸出(chu)0-5V或1-5V的電(dian)(dian)壓。

一(yi)體化防爆熱(re)電(dian)阻的輸(shu)出為統一(yi)的4～20mA；可與微機或其它常規儀表匹(pi)配(pei)使用(yong)。

SBWZ-2480/WZP-233溫度變送器  　　

若何(he)確保(bao)月餅油(you)脂(zhi)(zhi)合格(ge)。月餅是高(gao)油(you)、高(gao)糖、高(gao)鹽類的(de)食品(pin)。既(ji)然是高(gao)油(you)產品(pin)，那么油(you)脂(zhi)(zhi)的(de)就相(xiang)當主(zhu)要。花費者(zhe)可(ke)以經(jing)過測(ce)定酸(suan)價(jia)和(he)過氧化(hua)值等目標(biao)考驗油(you)脂(zhi)(zhi)，食品(pin)衛生(sheng)規范GB對(dui)酸(suan)價(jia)和(he)過氧化(hua)值都有響應(ying)的(de)規范。

　　計劃中明確指出要(yao)增強儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)研發和應用(yong)(yong)，具(ju)體(ti)包羅儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)新(xin)道理、新(xin)和新(xin)、前(qian)沿儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)、通用(yong)(yong)儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)、公用(yong)(yong)儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)、儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)關鍵部(bu)件和配套、儀(yi)器裝(zhuang)(zhuang)備(bei)(bei)(裝(zhuang)(zhuang)置)二次開(kai)辟6吝(lin)嗇向。

　　用于(yu)電(dian)(dian)(dian)(dian)能的(de)保送和(he)(he)分(fen)派的(de)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)稱為(wei)(wei)高壓配(pei)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)，這(zhe)類(lei)(lei)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)包(bao)(bao)羅刀開(kai)關(guan)、轉換開(kai)關(guan)、空氣斷路器(qi)(qi)(qi)(qi)(qi)(qi)和(he)(he)熔斷器(qi)(qi)(qi)(qi)(qi)(qi)等。用于(yu)各類(lei)(lei)控(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)路和(he)(he)控(kong)(kong)制(zhi)的(de)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)稱為(wei)(wei)控(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)，這(zhe)類(lei)(lei)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)包(bao)(bao)羅器(qi)(qi)(qi)(qi)(qi)(qi)、起動器(qi)(qi)(qi)(qi)(qi)(qi)和(he)(he)各類(lei)(lei)控(kong)(kong)制(zhi)繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)等。2．按操作分(fen)歧，可將高壓電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)分(fen)為(wei)(wei)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)和(he)(he)手動電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)(qi)。

　　從這些企(qi)業展現(xian)產品的(de)眼前向我們(men)展現(xian)了(le)，以(yi)大年(nian)夜數(shu)據和云、數(shu)字化(hua)轉型、、、數(shu)據、社交貿(mao)易為(wei)數(shu)字化(hua)全家(jia)當鏈的(de)處(chu)理計(ji)劃，完(wan)滿是以(yi)B2B為(wei)導向，這是一次(ci)完(wan)整(zheng)的(de)B2B展會(hui)。一切參展商都(dou)將在這一主題(ti)下展現(xian)全新的(de)處(chu)理計(ji)劃和貿(mao)易。