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EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高靜壓壓力變送器

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型號: EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高靜壓壓力變送器
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公司基本資料信息
詳細說明
 EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高靜壓壓力變送器
    EJA440A型高性能的壓力變送器可用于測量液體、氣體或蒸汽的壓力,然后將其轉(zhuǎn)變成4~20mA DC的電流信號輸出。
 

    EJA系列支持BRAIN、HART和FOUNDATION™現(xiàn)場總線或PROFIBUS PA通信協(xié)議。

特性

卓越的性能和穩(wěn)定性
  EJA系列采用單晶硅諧振式傳感器技術(shù)。單晶硅對于壓力或溫度的變化不存在滯后現(xiàn)象,是非常理想的材料。單晶硅諧振式傳感器將過壓、溫度變化和靜壓影響降為最低,從而提供無與倫比的長期穩(wěn)定性。
 
小型輕量設(shè)計
  由于采用ASIC放大器設(shè)計使包裝變小,以及膜盒構(gòu)造和法蘭的小型化,這款機型的重量降到了原有機型的一半。ASIC設(shè)計不僅減少了零件數(shù)量,而且提高了放大器的可靠性。
 
現(xiàn)場總線通信能力
  現(xiàn)場總線是雙向數(shù)字通信系統(tǒng),是配置儀表控制系統(tǒng)的革新技術(shù),同時也是前景很好的更新?lián)Q代產(chǎn)品,用于替換現(xiàn)在現(xiàn)場儀表中廣泛使用的標準4~20mA模擬通信。
EJA系列提供兩種現(xiàn)場總線模式,F(xiàn)OUNDATION™現(xiàn)場總線低壓模式和PROFIBUS PA設(shè)備,以實現(xiàn)橫河電機和其他供應商的協(xié)同工作。軟件方面,EJA系列采用兩個AI功能塊計算差壓和靜壓,從而實現(xiàn)靈活的儀表配置。
技術(shù)參數(shù)
  EJA440A壓力變送器
C膜盒 D膜盒
測量范圍 -0.1~32MPa
(-15~4500psi)
-0.1~50MPa
(-15~7200psi)
測量量程 5~32MPa
(720~4500psi)
5~50MPa
(720~7200psi)
精度 ±0.12% ±0.12%
防護等級 IP67,NEMA 4X,和JIS C0920防浸型
防爆規(guī)格 FM,CENELEC ATEX,CSA,IECEx
輸出信號 4~20mA DC或FOUNDATION™現(xiàn)場總線或PROFIBUS PA兩線制數(shù)字通信
電源 BRAIN和HART:10.5~42V DC (本安型: 10.5~30V DC)
Fieldbus:9~32V DC (本安Entity模式9~24V DC,本安FISCO模式9~17.5V DC)
環(huán)境溫度 -40~85℃ (-40~185℃) (普通型)
-30~80℃ (-22~176℃) (內(nèi)藏指示器)
過程溫度 -40~120℃ (-40~248℃) (普通型)
最大過壓 48MPa (6750psig) 60MPa (8500psig)
安裝 2-inch管安裝
接液部件材質(zhì) 膜盒 SUS316L (膜片: 哈氏合金C-276)
容室法蘭 SUS316
外殼 鋁合金或SUS316不銹鋼(可選)

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