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射頻電容式液位計
壓力變送器 > 產品中心 > 液位變送器

射頻電容式液位計

產品簡介:

SC-700射頻電容液位計適用(yong)于高溫高壓、強腐蝕、易結(jie)晶、易堵塞(sai)等惡劣條件下連續檢測各種液體。適合測量污水、酸堿溶液、和鍋(guo)爐(lu)的水位。

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產品詳情

SC-700射頻電容式液位計適用于高溫高壓、強腐蝕、易結晶、易堵塞等惡劣條件下連續檢測各種液體。適合測量污水、酸堿溶液、和鍋爐的水位,整機無任何可動或彈性部件,耐沖擊、安裝方便、可靠性高、精度高。可替代傳統的浮球式、投入式、差壓式等液位變送器在各種場合下應用。tdp壓力(li)變(bian)送(song)(song)器_差壓變(bian)送(song)(song)器_液位變(bian)送(song)(song)器_溫度變(bian)送(song)(song)器
SC-700射頻電容式液位計核心部件采用先金的射頻電容檢測電路經過16位單片機經過精que的溫度補償和線性修正,轉化成標準電信號(一般為4~20 mA)。可選HART、CANBUS、485通訊協議進行系統組態。全系列射頻電容液位計都具有自校準功能,用戶可通過兩個按鍵進行“零點”、“量程”自動校準,以適應各種復雜場所的不同要求。tdp壓(ya)力變(bian)送(song)(song)(song)器(qi)_差(cha)壓(ya)變(bian)送(song)(song)(song)器(qi)_液位變(bian)送(song)(song)(song)器(qi)_溫(wen)度變(bian)送(song)(song)(song)器(qi)
產品符合GB3836.4-2000《爆炸性氣體環境用電設備 第4部分 本質安全型“i”》和GB3638.1-2000《爆炸性氣體環境用電設備 第1部分 通用要求》,防爆標志:ExiaⅡC T6,它適用于0區、1區、2區,含有ⅡA~ⅡC類,T1~T6組爆炸性氣體混合物的場所。tdp壓力變(bian)送(song)器(qi)(qi)_差壓變(bian)送(song)器(qi)(qi)_液位變(bian)送(song)器(qi)(qi)_溫(wen)度變(bian)送(song)器(qi)(qi)

電容式液位計tdp壓力變送器_差壓變送器_液位(wei)變送器_溫度變送器

射頻電容式液位計特點: tdp壓(ya)力變(bian)送(song)(song)器(qi)_差壓(ya)變(bian)送(song)(song)器(qi)_液位(wei)變(bian)送(song)(song)器(qi)_溫度變(bian)送(song)(song)器(qi)
1、結構簡單,無任何可動或彈性元部件,因此可靠性極高,維護量極少。一般情況下,不必進行常規的大、中、小維修。tdp壓力(li)變(bian)(bian)送器(qi)(qi)_差壓變(bian)(bian)送器(qi)(qi)_液位變(bian)(bian)送器(qi)(qi)_溫(wen)度變(bian)(bian)送器(qi)(qi)
2、多種信號輸出,方便不同系統配置。tdp壓(ya)力變(bian)送器_差壓(ya)變(bian)送器_液位變(bian)送器_溫(wen)度(du)變(bian)送器
3、適用于高溫高壓容器的液位測量,且測量值不受被測液體的溫度、比重及容器的形狀、壓力影響。tdp壓力變(bian)(bian)送器_差壓變(bian)(bian)送器_液位變(bian)(bian)送器_溫度變(bian)(bian)送器
4、特別適用于酸、堿等強腐蝕性液體的測量。tdp壓力變(bian)送(song)器(qi)_差壓變(bian)送(song)器(qi)_液位變(bian)送(song)器(qi)_溫度(du)變(bian)送(song)器(qi)
5、完善的過流、過壓、電源極性保護。tdp壓(ya)力變(bian)(bian)送(song)器(qi)_差壓(ya)變(bian)(bian)送(song)器(qi)_液位變(bian)(bian)送(song)器(qi)_溫度變(bian)(bian)送(song)器(qi)
射頻電容式液位計性能:tdp壓(ya)力變送(song)器(qi)(qi)_差壓(ya)變送(song)器(qi)(qi)_液位變送(song)器(qi)(qi)_溫(wen)度變送(song)器(qi)(qi)
1、檢測范圍:0.01~2000mtdp壓力變(bian)(bian)送器(qi)_差壓變(bian)(bian)送器(qi)_液位變(bian)(bian)送器(qi)_溫度變(bian)(bian)送器(qi)
2、 承壓范圍: -0.1MPa~32MPatdp壓力變(bian)送(song)器_差(cha)壓變(bian)送(song)器_液位變(bian)送(song)器_溫度變(bian)送(song)器
3、探極耐溫:  -50~250℃tdp壓力變送(song)器(qi)_差壓變送(song)器(qi)_液位變送(song)器(qi)_溫度變送(song)器(qi)
4、環境溫度: -20~60℃tdp壓(ya)力變(bian)送(song)(song)器(qi)(qi)_差壓(ya)變(bian)送(song)(song)器(qi)(qi)_液(ye)位變(bian)送(song)(song)器(qi)(qi)_溫度變(bian)送(song)(song)器(qi)(qi)
5、儲存溫度:-55℃~+125℃tdp壓力變送器(qi)_差壓變送器(qi)_液位變送器(qi)_溫(wen)度變送器(qi)
6、輸出信號: 4~20mA、4~20mA疊加HART通訊、485通訊、CAN總線通訊tdp壓力變(bian)送(song)器(qi)(qi)_差壓變(bian)送(song)器(qi)(qi)_液位變(bian)送(song)器(qi)(qi)_溫(wen)度變(bian)送(song)器(qi)(qi)
7、 供電電壓:  12~28VDC(需經安全柵供電)tdp壓力(li)變(bian)送器(qi)_差壓變(bian)送器(qi)_液位變(bian)送器(qi)_溫度(du)變(bian)送器(qi)
8、 固定方式:螺紋安裝M20×1.5、M27×2,tdp壓(ya)力變(bian)(bian)送器(qi)_差(cha)壓(ya)變(bian)(bian)送器(qi)_液位變(bian)(bian)送器(qi)_溫度(du)變(bian)(bian)送器(qi)
法蘭安裝DN25、DN40、DN50。特殊規格可按要求定制tdp壓力變(bian)(bian)送器(qi)_差壓變(bian)(bian)送器(qi)_液(ye)位變(bian)(bian)送器(qi)_溫(wen)度變(bian)(bian)送器(qi)
9、接濕材質:  316不銹鋼、1Gr18Ni19Ti或聚四氟乙烯tdp壓(ya)力變(bian)送器(qi)(qi)_差(cha)壓(ya)變(bian)送器(qi)(qi)_液位變(bian)送器(qi)(qi)_溫度變(bian)送器(qi)(qi)
10、 長期穩定性:  ≤0.2%FS/年,tdp壓(ya)力變(bian)送(song)器_差壓(ya)變(bian)送(song)器_液位(wei)變(bian)送(song)器_溫度(du)變(bian)送(song)器
11、溫度漂移:≤0.02%FS/℃(在0~70℃范圍內)tdp壓(ya)力變(bian)送(song)(song)器(qi)_差壓(ya)變(bian)送(song)(song)器(qi)_液位(wei)變(bian)送(song)(song)器(qi)_溫度(du)變(bian)送(song)(song)器(qi)
12、 防爆等級:本安ExiaⅡC T6  隔爆ExdⅡC T5tdp壓力變(bian)(bian)送(song)器_差壓變(bian)(bian)送(song)器_液位變(bian)(bian)送(song)器_溫度變(bian)(bian)送(song)器
13、 防護等級:IP67tdp壓(ya)力變送器_差壓(ya)變送器_液位變送器_溫(wen)度(du)變送器
14、 本安參數:Ui:28VDC,Ii:93mA,Pi:0.65W,Ci:0.042uf, Li:0mH tdp壓(ya)(ya)力變(bian)送(song)器(qi)_差壓(ya)(ya)變(bian)送(song)器(qi)_液位變(bian)送(song)器(qi)_溫度(du)變(bian)送(song)器(qi)

接(jie)線:tdp壓(ya)力(li)變(bian)送(song)(song)器(qi)_差壓(ya)變(bian)送(song)(song)器(qi)_液位變(bian)送(song)(song)器(qi)_溫度變(bian)送(song)(song)器(qi)

射頻電容液位計為標準二線或三線制儀表,電源(信號)端子位于儀表殼體內的接線側,信號線應使用屏蔽線或兩根紐在一起的雙絞線,盡量不要與其它電源線一起通過線管或明線槽,也不可在大功率設備附近穿過。tdp壓力變(bian)送器_差壓變(bian)送器_液位變(bian)送器_溫度變(bian)送器
安裝與調試:tdp壓力變(bian)送器(qi)_差(cha)壓變(bian)送器(qi)_液位變(bian)送器(qi)_溫度(du)變(bian)送器(qi)
SC701纜式射頻電容液位計和SC702桿式射頻電容液位計具有多種安裝固定方式,以適應不同現場情況。當現場不能夠提供M20×1.5的內螺紋或法蘭等工藝設施時,可選擇墻壁安裝式、水平管架式和垂直管架式等三種安裝方式可選擇,使您在現場安裝時得心應手。tdp壓(ya)力(li)變(bian)送(song)器(qi)(qi)_差壓(ya)變(bian)送(song)器(qi)(qi)_液位(wei)變(bian)送(song)器(qi)(qi)_溫度變(bian)送(song)器(qi)(qi)
   在測量流動性較大的介質時,為防止傳感器劇烈擺動,用戶可選用配重附件,以起到穩定傳感器的作用,加配重時一定要要把配重物體放入容器底部,以免拉壞傳感導線 。    tdp壓力(li)變(bian)送(song)(song)器_差壓變(bian)送(song)(song)器_液位變(bian)送(song)(song)器_溫度變(bian)送(song)(song)器
    在現場環境較惡劣時,用戶應選用傳感器防護罩來保護傳感器,以免被異物損壞或影響測量的準確性。tdp壓力變(bian)送(song)器(qi)_差壓變(bian)送(song)器(qi)_液位(wei)變(bian)送(song)器(qi)_溫度變(bian)送(song)器(qi)
   使用射頻電容液位計時,如果不是金屬容器,則需要把變送器的外殼用一根導線接入容器的底部,否則測量不準確。tdp壓力(li)變(bian)送器(qi)_差壓變(bian)送器(qi)_液位變(bian)送器(qi)_溫(wen)度變(bian)送器(qi)
產品若需要現場調整可采取以下方法:tdp壓力變(bian)(bian)送器(qi)_差壓變(bian)(bian)送器(qi)_液位變(bian)(bian)送器(qi)_溫度變(bian)(bian)送器(qi)
B:采用智能電路的調試方法:tdp壓(ya)力(li)變(bian)送(song)器(qi)_差壓(ya)變(bian)送(song)器(qi)_液(ye)位變(bian)送(song)器(qi)_溫度變(bian)送(song)器(qi)
現場調零------當液位位處于#低位時,同時按住“Z”鍵和“S”鍵8秒鐘后同時松開,再將 “Z” 鍵按一下,輸出電流自動調整到4mA。tdp壓(ya)力變(bian)送器(qi)_差壓(ya)變(bian)送器(qi)_液位變(bian)送器(qi)_溫(wen)度變(bian)送器(qi)
現場調滿------當液位處于#高位時,同時按住“Z”鍵和“S”鍵8秒鐘后同時松開,再將“S”鍵按一下,輸出電流自動調整到20mA。tdp壓力(li)變送器_差壓變送器_液位變送器_溫(wen)度變送器
B:采用模擬電路的調試方法:tdp壓力(li)變(bian)送(song)(song)器_差(cha)壓變(bian)送(song)(song)器_液位變(bian)送(song)(song)器_溫度變(bian)送(song)(song)器
   當液位在下限時,用螺絲刀緩慢旋轉“Z”電位器,觀察電流表的讀數接近4mA。 tdp壓(ya)力變送器_差壓(ya)變送器_液位變送器_溫度變送器
   當液位在上限時,用螺絲刀緩慢旋轉“S”電位器,觀察電流表的讀數接近20mA。 tdp壓力變送器_差壓變送器_液位變送器_溫度(du)變送器
如此反復2-3次以上,直到零點和量程都分別為準確的4mA和20mA。tdp壓力(li)變送(song)(song)器(qi)_差壓變送(song)(song)器(qi)_液位變送(song)(song)器(qi)_溫度(du)變送(song)(song)器(qi)
調整好后,應將變送器的蓋子擰緊。tdp壓(ya)力變(bian)送器(qi)(qi)_差壓(ya)變(bian)送器(qi)(qi)_液(ye)位變(bian)送器(qi)(qi)_溫度(du)變(bian)送器(qi)(qi)

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