電(dian)接點雙(shuang)金屬(shu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計是利用(yong)(yong)(yong)(yong)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)變(bian)化時帶(dai)動觸(chu)(chu)點變(bian)化，當(dang)其與上下限(xian)觸(chu)(chu)點接觸(chu)(chu)或斷開的同時，使(shi)(shi)(shi)電(dian)路中的繼(ji)電(dian)器(qi)(qi)動作，從而自動控制(zhi)及(ji)報(bao)警(jing)(jing)。主要應用(yong)(yong)(yong)(yong)于生產(chan)(chan)現場對(dui)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)自動控制(zhi)和(he)報(bao)警(jing)(jing)。 產(chan)(chan)品應用(yong)(yong)(yong)(yong)： 電(dian)接點雙(shuang)金屬(shu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計應用(yong)(yong)(yong)(yong)于生產(chan)(chan)現場對(dui)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)需(xu)自動控制(zhi)和(he)報(bao)警(jing)(jing)。直(zhi)接測量各種生產(chan)(chan)過程(cheng)中-80～500℃范(fan)(fan)圍內(nei)體、蒸汽和(he)氣(qi)體介質(zhi)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。 特點： · 現場顯示溫(wen)(wen)(wen)(wen)(wen)度(du)(du)，直(zhi)觀方便； · 具(ju)有(you)自動切(qie)(qie)斷電(dian)源和(he)報(bao)警(jing)(jing)功能(neng)； · 安全可(ke)靠，使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)壽命長； · 多(duo)種結(jie)構形式，可(ke)滿足不(bu)(bu)同要求。 技術參數 · 產(chan)(chan)品執行標準：JB/T8803-1998 GB3836-83 · 標度(du)(du)盤公稱直(zhi)徑：100 · 精度(du)(du)等級：（1.0），1.5 · 熱響應時間：≤40S · 防護(hu)等級：IP55 · 正常工(gong)作大氣(qi)條件：溫(wen)(wen)(wen)(wen)(wen)度(du)(du)-25～+55℃，相對(dui)濕(shi)度(du)(du)≤85% · 設定(ding)(ding)點誤差(cha)：設定(ding)(ding)點誤差(cha)應不(bu)(bu)過基本誤差(cha)限(xian)的1.5倍。 · 切(qie)(qie)換差(cha)：切(qie)(qie)換差(cha)應不(bu)(bu)過基本誤差(cha)限(xian)的1.5倍。 · 切(qie)(qie)換重復(fu)性：切(qie)(qie)換重復(fu)性極限(xian)范(fan)(fan)圍不(bu)(bu)大于基本誤差(cha)限(xian)juedui值的1/2。 注意事項 1、使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)范(fan)(fan)圍：-50-50℃；-20-80℃；0-50℃；0-100℃；0-120℃；0-150℃℃；0-200℃ 0-300℃；0-400；0-500℃特殊可(ke)定(ding)(ding)做。 2、安裝螺牙(ya)(活動牙(ya)和(he)固定(ding)(ding)牙(ya)均可(ke)定(ding)(ding)做)27×2mm；3/4；1/2；1/43：適用(yong)(yong)(yong)(yong)環(huan)境溫(wen)(wen)(wen)(wen)(wen)度(du)(du)-40～+85℃， 相對(dui)濕(shi)度(du)(du)5～。表盤直(zhi)徑為：100mm，萬(wan)向安裝型.四、使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)和(he)維護(hu) 3、雙(shuang)金屬(shu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計在(zai)保管(guan)、使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)和(he)安裝中，應避免(mian)碰撞支承管(guan)，切(qie)(qie)勿(wu)使(shi)(shi)(shi)支承管(guan)彎曲變(bian)形及(ji)將表殼扳手使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)。 4、各類雙(shuang)金屬(shu)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計不(bu)(bu)宜用(yong)(yong)(yong)(yong)于測量敞開容器(qi)(qi)內(nei)介質(zhi)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)，帶(dai)電(dian)接點溫(wen)(wen)(wen)(wen)(wen)度(du)(du)計，不(bu)(bu)允許(xu)在(zai)強烈(lie)震動下工(gong)作，以免(mian)影響接點可(ke)靠性。 5、在(zai)壓力(li)大于1.5MPa時，應選用(yong)(yong)(yong)(yong)JX系(xi)列保護(hu)管(guan)。