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- 产品名称：EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高静压压力变送器
- 产品型号：EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA4
- 产品展商：其它品牌
- 产品文档：无相关文档
简单介绍
EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高静压压力变送器
产品描述
EJA440A-DDS4A-92DA/NS1,EJA440A-EDS4A-92DA/NS1,EJA440A-DCS4A-92DN/NS1,高静压压力变送器
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EJA440A型高性能的压力变送器可用于测量液体、气体或蒸汽的压力，然后将其转变成4～20mA DC的电流信号输出。
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EJA系列支持BRAIN、HART和FOUNDATION™现场总线或PROFIBUS PA通信协议。
特性
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**的性能和稳定性
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EJA系列采用单晶硅谐振式传感器技术。单晶硅对于压力或温度的变化不存在滞后现象，是非常理想的材料。单晶硅谐振式传感器将过压、温度变化和静压影响降为*低，从而提供****的长期稳定性。
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小型轻量设计
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由于采用ASIC放大器设计使包装变小，以及膜盒构造和法兰的小型化，这款机型的重量降到了原有机型的一半。ASIC设计不仅减少了零件数量，而且提高了放大器的可靠性。
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现场总线通信能力
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现场总线是双向数字通信系统，是配置仪表控制系统的革新技术，同时也是前景很好的更新换代产品，用于替换现在现场仪表中广泛使用的标准4~20mA模拟通信。
EJA系列提供两种现场总线模式，FOUNDATION™现场总线低压模式和PROFIBUS PA设备，以实现横河电机和其他供应商的协同工作。软件方面，EJA系列采用两个AI功能块计算差压和静压，从而实现灵活的仪表配置。
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技术参数
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EJA440A压力变送器
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C膜盒
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D膜盒
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测量范围
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-0.1~32MPa
(-15~4500psi)
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-0.1~50MPa
(-15~7200psi)
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测量量程
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5~32MPa
(720~4500psi)
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5~50MPa
(720~7200psi)
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精度
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±0.12%
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±0.12%
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防护等级
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IP67，NEMA 4X,和JIS C0920防浸型
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防爆规格
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FM，CENELEC ATEX，CSA，IECEx
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输出信号
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4~20mA DC或FOUNDATION™现场总线或PROFIBUS PA两线制数字通信
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电源
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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)
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环境温度
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-40~85℃ (-40~185℃) (普通型)
-30~80℃ (-22~176℃) (内藏指示器)
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过程温度
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-40~120℃ (-40~248℃) (普通型)
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*大过压
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48MPa (6750psig)
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60MPa (8500psig)
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安装
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2-inch管安装
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接液部件材质
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膜盒
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SUS316L (膜片: 哈氏合金C-276)
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容室法兰
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SUS316
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外壳
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铝合金或SUS316不锈钢(可选)
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EJA440A-ECS4A-92DN/NS1,EJA440A-DDS4A-92DN/NS1,EJA440A-EDS4A-92DN/NS1
EJA440A-DCS4A-92NA/NS1,EJA440A-ECS4A-92NA/NS1,EJA440A-DDS4A-92NA/NS1,
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EJA440A-ECS4A-22DC/NS1,EJA440A-DDS4A-22DC/NS1,EJA440A-EDS4A-22DC/NS1
EJA440A-DCS4A-22DN/NS1,EJA440A-ECS4A-22DN/NS1,EJA440A-DDS4A-22DN/NS1,
EJA440A-EDS4A-22DN/NS1,EJA440A-DCS4A-22NA/NS1,EJA440A-ECS4A-22NA/NS1,
EJA440A-DDS4A-22NA/NS1,EJA440A-EDS4A-22NA/NS1,EJA440A-DCS4A-22NN/NS1,
EJA440A-ECS4A-22NN/NS1,EJA440A-DDS4A-22NN/NS1,EJA440A-EDS4A-22NN/NS1
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EJA440A-ECS5A-22NN/NS1,EJA440A-DDS5A-22NN/NS1,EJA440A-EDS5A-22NN/NS1,EJA440A-ECS4A-92DA/NF1
EJA440A-DCS5A-92NN,EJA440A-DDS5A-92NN,EJA440A-DCS4A-92DA,EJA440A-ECS4A-92DA/NF1
EJA440A-DBS4A-92DA,EJA440A-ECS4A-92DA,EJA440A-EBS4A-92DA,EJA440A-DCS4A-92DA/NS1,
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EJA440A-DCS4A-97NA,EJA440A-ECS4A-97NA,EJA440A-DDS4A-97NA,EJA440A-EDS4A-97NA
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EJA440A-DCS4A-92NA,EJA440A-ECS4A-92NA,EJA440A-DDS4A-92NA,EJA440A-EDS4A-92NA
EJA440A-DCS4A-92NN,EJA440A-ECS4A-92NN,EJA440A-DDS4A-92NN,EJA440A-EDS4A-92NN
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EJA440A-DCS4A-22DN,EJA440A-ECS4A-22DN,EJA440A-DDS4A-22DN,EJA440A-EDS4A-22DN
EJA440A-DCS4A-22NA,EJA440A-ECS4A-22NA,EJA440A-DDS4A-22NA,EJA440A-EDS4A-22NA
EJA440A-DCS4A-22NN,EJA440A-ECS4A-22NN,EJA440A-DDS4A-22NN,EJA440A-EDS4A-22NN
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EJA440A-ECS4A-22DC/NF1,EJA440A-DDS4A-22DC/NF1,EJA440A-EDS4A-22DC/NF1
EJA440A-DCS4A-22DN/NF1,EJA440A-ECS4A-22DN/NF1,EJA440A-DDS4A-22DN/NF1,
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EJA440A-ECS5A-97NA/NF1,EJA440A-DDS5A-97NA/NF1,EJA440A-EDS5A-97NA/NF1
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