　　防爆接線(xiàn)盒溫度傳感器是我公司專(zhuān)門(mén)為電機行業(yè)研制的帶隔爆接線(xiàn)盒式溫度傳感器，主要用于防爆電機的軸承、冷號的溫度檢測與控制。該產(chǎn)品精度高、穩定性好，具有抗震耐用的特點(diǎn)，廣泛用于石油、化工、醫藥、軍工等領(lǐng)域。若核電站設備用溫度傳感器，引出線(xiàn)為核電站專(zhuān)用電纜，持有國家電線(xiàn)、電纜質(zhì)量監督檢驗中心檢驗合格證書(shū)。外殼材質(zhì)為輕質(zhì)合金，表面噴涂防腐漆或不銹鋼。

防爆標志：ExdbIIB/IICT6Gb、ExtbIIICT80℃ Db。

3.隔爆原理

　　BWZD系列防爆溫度傳感器采用防爆外殼，把可能因產(chǎn)生火花、電弧的電路部分與表殼外可燃性粉塵環(huán)境或爆炸性氣體混合物隔開(kāi)，從而達到隔爆的目的。隔爆結合面尺寸符合GB3836.2規定，電纜引入裝置符合GB3836.1-2000附錄D規定。

4.安裝、接線(xiàn)及注意事項

　　4.1 安裝接線(xiàn)盒時(shí)應檢查接線(xiàn)盒銘牌的防爆標志是否與安裝環(huán)境相符。

　　4.2 連接導線(xiàn)應選擇銅質(zhì)屏蔽電纜，其截面積不小于0.2平方毫米。

　　4.3 打開(kāi)接線(xiàn)盒，用板手擰開(kāi)電纜引入裝置的壓緊螺母，將電纜線(xiàn)與接線(xiàn)盒中的接線(xiàn)柱(或接線(xiàn)端子)牢固相連接，然后蓋上接線(xiàn)盒，并擰緊四角的螺絲。

　　4.4 接線(xiàn)盒上的接地螺絲須用接地導線(xiàn)可靠接地。

　　4.5 安裝時(shí)，信號傳輸線(xiàn)應相隔不大于300mm的距離用扎頭固定起來(lái)。信號傳輸線(xiàn)過(guò)長(cháng)時(shí)，可挽在合適的位置，切勿亂拋，并遠離發(fā)熱設備。

　　4.6 引入裝置里密封圈老化變質(zhì)時(shí)，應及時(shí)更換。

　　4.7在可燃性粉塵環(huán)境存在時(shí)不得打開(kāi)上蓋、嚴禁帶電打開(kāi)接線(xiàn)盒上蓋。

　　4.8維修時(shí)應注意防止“失爆”(如保護防塵隔爆面、注意緊固和引入裝置里的橡膠密封圈)。

　　4.9用戶(hù)所用電纜最小外徑為φ9。

關(guān)鍵詞：

防爆接線(xiàn)盒

防爆溫度傳感器

BWZD

BWZG

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