EJX440A高静压压力变送器
产品信息
变送器
EJX440A型高性能压力变送器采用单晶硅谐振式传感器技术,适用于液体、气体和蒸汽的压力测量。
多传感器技术提供先进的诊断功能,可以检测脉冲线路堵塞或伴热管道的破损等异常。
EJX系列支持BRAIN、HART和FOUNDATION™现场总线通信协议。
规格
EJX440A压力变送器
C膜盒
D膜盒
测量范围
-0.1~32MPa
(-14.5~4500psi)
-0.1~50MPa
(-14.5~7200psi)
测量量程
0.25~32MPa
(36~4500psi)
0.25~50MPa
(36~7200psi)
精度
±0.04%
±0.04%
防护等级
IP67,NEMA 4X,和JIS C0920防浸型
防爆规格
FM,CENELEC ATEX,CSA,IECEx
输出信号
4~20mA DC或FOUNDATION™现场总线,两线制数字通信
电源
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)
环境温度
-40~85℃ (-40~185℉) (普通型)
-30~80℃ (-22~176℉) (内藏指示器)
过程温度
-40~120℃ (-40~248℉) (普通型)
Z大过压
48MPa (6750psi)
75MPa (10800psi)
安装
2-inch管安装
接液部件材质
膜盒
316L SST(膜片: 哈氏合金C-276)
容室法兰
ASTM CF-8M,哈氏合金C-276,蒙乃尔
外壳
铝合金或ASTM CF-8M不锈钢(可选)
n 产品选型
产品系列
型号代码
描述
EJX430A
. . . . . .
Gauge pressure transmitter
输出信号
-D . . .
-E . . . . . . . . . . . . . . . . .
-F . . . . . . . . . . . . . . . . . .
4-20mA 信号输出(BRAIN协议)
4 to 20 mA DC with digital communication (HART protocol)
Digital communication (FOUNDATION Fieldbus protocol, refer to GS 01C25T02-01EN)
测量范围(压力)
H. . . .
A. . . . . .
B. . . . .
2.5 to 500 kPa (10 to 2000 inH2O)
0.0175 to 3.5 MPa (2.5 to 500 psi)
0.08 to 16 MPa (12 to 2300 psi)
部件材料
¨ . . . .
Refer to “Wetted Parts Material” Table.
过程连接
►
0 . . . . . . . . . . . .
1 . . .
2 . . .
3 . . .
4 . . .
5 . . . . . . . . . . . . . .
无过程连接 (Rc1/4 female on the cover flanges)
with Rc1/4 电气过程连接
with Rc1/2 电气过程连接
with 1/4 NPT 电气过程连接
with 1/2 NPT 电气过程连接
无过程连接 (1/4 NPT female on the cover flanges)
螺栓和螺母的材料
J . .
G. . . .
C. . .
B7 carbon steel
316L SST
660 SST
Installation
►
-3 . . . . . . . . .
-7 . . . . . . . . .
-8 . . . . . . . . .
-9 .
-B . . . . . . . . .
-U . .
Vertical piping, right side high pressure, and process connection down side
Vertical piping, left side high pressure, and process connection down side
Horizontal piping and right side high pressure
Horizontal piping and left side high pressure
Bottom Process Connection, left side high pressure*5
Universal flange*5
Amplifier housing
1 . .
3 . . . . . . . . .
2 . .
Cast aluminum alloy
Cast aluminum alloy with corrosion resistance properties *6
ASTM CF-8M stainless steel *3
电气连接
►
0 .
2 . . . . . . .
4 .
5 . . . . . . .
7 . . . . . . . .
9 . .
A. . . . . . . .
C. . . . . . .
D. . . . . . .
G1/2 female, one 电气连接 without blind plugs
1/2 NPT female, two 电气连接s without blind plugs
M20 female, two 电气连接s without blind plugs
G1/2 female, two 电气连接s and a blind plug *4
1/2 NPT female, two 电气连接s and a blind plug *4
M20 female, two 电气连接s and a blind plug *4
G1/2 female, two 电气连接s and a 316 SST blind plug
1/2 NPT female, two 电气连接s and a 316 SST blind plug
M20 female, two 电气连接s and a 316 SST blind plug
显示面板
►
D. . . .
E . . . .
N. .. . .
Digital indicator
与范围设定开关数字指示器 *1
(None)
Mounting bracket ►
B. . . . . .
D. . . . . .
J . . . . . .
K. . . . . .
M . . . . .
N. . . . . .
304 SST 2-inch pipe mounting, flat type (for horizontal piping)
304 SST 2-inch pipe mounting, L type (for vertical piping)
316 SST 2-inch pipe mounting, flat type (for horizontal piping)
316 SST 2-inch pipe mounting, L type (for vertical piping)
316 SST 2-inch pipe mounting (for bottom process connection type)
(None)
Optional Codes
¨/ 可选范围
The “►” marks indicate the most typical selection for each specification.
*1: Not applicable for 输出信号 code F.
*2: Users must consider the characteristics of selected 部件材料and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids.