隔爆熱電偶
SBWZ-4484,SBWZ-44SI,SBWZ-2484,SBWZ-44SI,SBWR-4284,SBWR-440I,SBWR-2284,SBWR-440I,SBWR-4184,SBWR-440I,SBWR-2184/440I,SBWR-4281/240KI,
WRER-01,WRNK-841n*D,WZPN-631,WZPN-231,WZPN2-431,WRN-230,WZP-120B,WRN2-240A,WZPM-201B,WZCM-201,WRN-240A,WZC-220B,WZPK2-106SA,WREK-841n*D,WRNK-842n*D,WRNK-131,WRNK-231D
隔爆熱電偶是一種溫度傳感器,隔爆熱電偶在化學工業自控系統中應用極廣,隔爆熱電偶通過溫度傳感器, 可將控制對象的溫度參數變成電信號,傳遞給顯示、記錄和調節儀,對系統施行檢測、調節和控制。
在化工廠,生產現場常伴有各種易燃、易爆等 化學氣體、蒸汽,如果使用普通的熱電偶非常不安全,極易引起環境氣體爆炸。因此,在這些場合必須使用隔爆熱電偶作溫度傳感器,本公司生產的隔爆型熱電偶產品,適用于 dⅡCT6溫度組別區間內的具有爆炸性氣體危險的場所內。
工作原理:
如果由兩種不同成份的均質導體(熱電極)組成閉合回路,當兩端存在溫度梯度時,回路中就有電流通過,那么兩端之間就存在熱電勢( 如下圖所示)
隔爆原理:
利用間隙隔爆原理,設計具有足夠強度的接線盒等部件,將所有會產生火花、電弧和危險溫度的零部 件都密封在接線盒內,當腔內發生爆炸時,能通過接合面間隙熄火和冷卻,使爆炸后的火焰和溫度不傳到腔外
特 點 :
按符合國際IEC標準的最新防爆規程GB3836設計;
采用兩腔式隔爆結構,更換測溫元件簡便,使用安全可靠
隔爆標志dⅡCT6,適用于ⅡC級以下,引燃溫度T6以上,含爆炸性氣體場合的溫度測量。
注意事項:
維修維護時請斷電操作
LG8A310J/EZ LG5A310J/DZ LG5A310J/EZ NJK5003AB NJK5003AB NJK5003B NJK5003A NJK5003CD NJK5003D NJK5003C NJK8002AB NJK8002AB NJK8002B NJK8002A NJK8002A NJK8002CD NJK8002D NJK8002C NJK5002AB NJK5002AB NJK5002B NJK5002A NJK5002CD NJK5002D NJK5002C NJK5001B NJK5001A NJK5001A NJK5001D NJK5001C JCW48QA JCW48QA JCW40QA JCW30QA J4D8V LJC12A3AZ/BX LJC12A32Z/AY LJC12A32Z/BY LJC12A32Z/AX LJC12A32Z/BX LJC80A440J/DZ LJC80A440J/EZ LJC80A440Z/AY LJC80A440Z/BY LJC80A440Z/AX LJC80A440Z/BX LJC38A420J/DZ LJC38A420J/DZ LJC38A420J/EZ LJC38A420J/EZ LJC38A420Z/AY LJC38A420Z/BY LJC38A420Z/AX LJC38A420Z/AX LJC38A420Z/BX LJC20A410J/DZ LJC20A410J/EZ LJC20A410Z/AY LJC20A410Z/BY LJC20A410Z/AX LJC20A410Z/BX LJC34A3KJ/DZ LJC34A3KJ/EZ LJC34A3KZ/AY LJC34A3KZ/BY LJC34A3KZ/AX LJC34A3KZ/BX LJC30A3HJ/DZ LJC30A3HJ/EZ LJC30A3HZ/AY LJC30A3HZ/BY LJC30A3HZ/AX LJC30A3HZ/BX LJC30A310J/DZ JC30A310J/EZ LJC30A310Z/AYL LJC30A310Z/BY LJC30A310Z/AX LJC30A310Z/AX LJC30A310Z/BX LJC30A310Z/BX LJC24A3TJ/DZ LJC24A3TJ/EZ LJC24A3TZ/AY LJC24A3TZ/BY LJC24A3TZ/BX LJC18A3BJ/EZ LJC18A35J/EZ LJC18A35J/EZ LJC18A35J/DZ LJC18A3BJ/DZ LJC24A38J/DZ LJC24A38J/DZ LJC24A38J/EZ LJC24A38J/EZ LJC24A38Z/AY LJC24A38Z/BY LJC24A38Z/AX LJC24A38Z/AX
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