EJX310A壓力變送器EJX310A型高性能壓力變送器采用單晶硅諧振式傳感器技術，適用于液體、氣體和蒸汽的流量測量。多傳感器

 西安西弘自動化設備有限公司，位于全國最大的儀表生產基地之一的陜西省西安市，是一家從事熱電偶、壓力傳感器、壓力變送器、壓力儀器儀表、稱重傳感器、稱重變送器、稱重儀器儀表、壓力控制器、壓力開關、溫度傳感器、溫度變送器、溫度儀器儀表等產品的研發(fā)、生產、銷售的廠家。壓力、稱重、溫度等自動化測量控制系統(tǒng)的設計、安裝、調試服務。產品涵蓋電力（火電、水電、核電）、石油、化工、紡織、冶金、機械、國防、科研、醫(yī)藥、食品等行業(yè)。產品已由國內市場拓展至港臺及歐洲市場，壓力傳感器、壓力變送器產品性能已逐步同國際市場接軌，完全可替換國外同類型產品。 

 EJX310A壓力變送器





EJX310A型高性能壓力變送器采用單晶硅諧振式傳感器技術，適用于液體、氣體和蒸汽的流量測量。

多傳感器技術提供的診斷功能，可以檢測脈沖線路堵塞或伴熱管道的破損等異常。



EJX系列支持BRAIN、HART和FOUNDATION™現場總線通信協議。

規(guī)格



EJX310A壓力變送器

L膜盒

M膜盒

A膜盒

B膜盒

測量范圍

0~10 kPa abs
(0~2.95inHg)

0~130 kPa abs
(0~38inHg)

0~3.5MPa abs
(0~500psia)

0~16MPa abs
(0~2300psia)

測量量程

0.5~10 kPa
(0.15~2.95inHg)

1.3~130 kPa
(0.39~38inHg)

0.0175~3.5MPa
(2.5~500psi)

0.08~16MPa
(12~2300psi)

精度

±0.075%

±0.04%

±0.04%

±0.04%

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™現場總線，兩線制數字通信

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℉) (內藏指示器)

過程溫度

-40~100℃
(普通型)

-40~120℃ (-40~248℉)
(普通型)

zui大過壓

500 kPa abs(72psia)

16MPa abs
(2300psia)

25MPa abs
(3600psia)

安裝

2-inch管安裝

接液部件材質

膜盒

316L SST(膜片: 哈氏合金C-276)

容室法蘭

ASTM CF-8M

外殼

鋁合金或ASTM CF-8M不銹鋼(可選)



產品選型

產品系列

型號代碼

描述

EJX310A

. . . . . . . . . . . . . .

Absolute pressure transmitter

輸出信號

-D . . . . . . . . . . . .

-E . . . . . . . . . . . . . . .

-F . . . . . . . . . . . . . . .

4-20mA 信號輸出（BRAIN協議）

4 to 20 mA DC with digital communication (HART protocol)

Digital communication (FOUNDATION Fieldbus protocol, refer to GS 01C25T02-01EN)

測量范圍（壓力）

L . . . . . . . . . . . .

M . . . . . . . . . . . .

A. . . . .

B. . . . .

0.5 to 10 kPa abs (0.15 to 2.95 inHg abs)

1.3 to 130 kPa abs (0.39 to 38 inHg abs)

0.0175 to 3.5 MPa abs (2.5 to 500 psia)

0.08 to 16 MPa abs (12 to 2300 psia)

部件材料

S . . . . . .

Refer to “Wetted Parts Material” Table.

過程連接









?

0 . . . . . . . . . . . .

1 . . .

2 . . .

3 . . .

4 . . .

5 . . . .

無過程連接 (Rc1/4 female on the cover flanges)

with Rc1/4 電氣過程連接

with Rc1/2 電氣過程連接

with 1/4 NPT 電氣過程連接

with 1/2 NPT 電氣過程連接

無過程連接 (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:

Universal flange

Amplifier housing

1 . .

3 . . . . . . . .

2 . .

Cast aluminum alloy

Cast aluminum alloy with corrosion resistance properties *5

ASTM CF-8M stainless steel *3 *5

電氣連接

?

0 .

2 . . . . . . .

4 .

5 . . . . . . .

7 . .. . . . .

9 .

A. . . . . . .

C. . . . . . . . .

D. . . . . . .

G1/2 female, one 電氣連接 without blind plugs

1/2 NPT female, two 電氣連接s without blind plugs

M20 female, two 電氣連接s without blind plugs

G1/2 female, two 電氣連接s and a blind plug *4

1/2 NPT female, two 電氣連接s and a blind plug *4

M20 female, two 電氣連接s and a blind plug *4

G1/2 female, two 電氣連接s and a 316 SST blind plug

1/2 NPT female, two 電氣連接s and a 316 SST blind plug

M20 female, two 電氣連接s and a 316 SST blind plug

顯示面板



?

D. . ..

E . . .

N. . . .

Digital indicator

與范圍設定開關數字指示器 *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

¨/ 可選范圍

The “?” marks indicate the most typical selection for each specification.

*1: Not applicable for 輸出信號 code F.

*2: Users must consider the characteristics of selected 部件材料and influence of process fluids. Specifying inappropriate materials has the potential to cause serious damage to human 殼體 and plant facilities resulted from an unexpected leak of the corrosive process fluids.

*3: Not applicable for 電氣連接 code 0, 5, 7 and 9.

*4: Material of a blind plug is aluminum alloy or 304 SST.

*5: Not applicable for 電氣連接 code 0, 5, 7, 9 and A. Content rate of copper in the material is 0.03% or less and content rate of iron is 0.15% or less.

Table. Wetted Parts Materials

部件材料code

Cover flange and process connector

Capsule

Capsule gasket

Drain/孔塞

S #

ASTM CF-8M *1

哈氏合金 C-276 *2 (Diaphragm) F316L SST (Others)

Teflon-coated 316L SST

316 SST

*1: Cast version of 316 SST. Equivalent to SCS14A.

*2: 哈氏合金 C-276 or ASTM N10276.

The ‘#’marks indicate the construction materials conform to NACE material recommendations per MR0175/ISO15156. Please refer to the latest standards for details. Selected materials also conform to NACE MR0103.
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