EJA210A/EJA220A法蘭安裝式差壓變送器EJA210A和EJA220A型高性能的法蘭安裝式差壓變送器可用于測量結(jié)晶性或沉淀性液體的液位和密

 西安西弘自動化設(shè)備有限公司，位于全國最大的儀表生產(chǎn)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(guān)、溫度傳感器、溫度變送器、溫度儀器儀表等產(chǎn)品的研發(fā)、生產(chǎn)、銷售的廠家。壓力、稱重、溫度等自動化測量控制系統(tǒng)的設(shè)計、安裝、調(diào)試服務(wù)。產(chǎn)品涵蓋電力（火電、水電、核電）、石油、化工、紡織、冶金、機(jī)械、國防、科研、醫(yī)藥、食品等行業(yè)。產(chǎn)品已由國內(nèi)市場拓展至港臺及歐洲市場，壓力傳感器、壓力變送器產(chǎn)品性能已逐步同國際市場接軌，完全可替換國外同類型產(chǎn)品。 

 EJA210A/EJA220A法蘭安裝式差壓變送器

EJA210A和EJA220A型高性能的法蘭安裝式差壓變送器可用于測量結(jié)晶性或沉淀性液體的液位和密度。

產(chǎn)品信息



EJA210A和EJA220A型高性能的法蘭安裝式差壓變送器可用于測量結(jié)晶性或沉淀性液體的液位和密度，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

-

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zui低，從而提供的長期穩(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(jī)型的重量降到了原有機(jī)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(biāo)準(zhǔn)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(jī)和其他供應(yīng)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。

規(guī)格



EJA210A / EJA220A
法蘭安裝式差壓變送器

M膜盒

H膜盒

測量范圍

-100~100kPa
(-400~400inH2O)

-500~500kPa
(-2000~2000inH2O)

測量量程

1~100kPa
(4~400inH2O)

5~500kPa
(20~2000inH2O)

精度

±0.2%

±0.2%

防護(hù)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)

zui大工作壓力

法蘭額定壓力

安裝

法蘭安裝

法蘭尺寸

EJA210A: 3-inch (80mm)，2-inch (50mm)
EJA220A: 4-inch (100mm)，3-inch (80mm)

膜片材質(zhì)
(高壓側(cè))

SUS316L，哈氏合金C-276，鉭材

法蘭材質(zhì)

S25C，SUS304，SUS316

外殼

鋁合金或SUS316不銹鋼(可選)

產(chǎn)品選型

產(chǎn)品系列 EJA210A [Process Flange size: 3-inch (80 mm)]

產(chǎn)品系列

型號代碼

描述

EJA210A

. .

Flange-mounted 差壓變送器 (Flush diaphragm type)

輸出信號

-D . . . . . . .

-E . . .. . . . . .

-F . . . . . . . .

-G . . . . . . .

4-20mA 信號輸出（BRAIN協(xié)議）

4-20mA 信號輸出(HART協(xié)議),參照GS 01C22T01-00E

Digital communication (基礎(chǔ)現(xiàn)場總線協(xié)議，參照GS 01C22T02-00E）

數(shù)字信號 (PROFIBUS PA協(xié)議，參照GS 01C22T03-00E)

測量范圍（壓力）

M . . . . . . .

H . . . . . . . .

1 to 100 kPa {100 to 10000 mmH2O} {4 to 400 inH2O} {10 to 1000 mbar}

5 to 500 kPa {0.05 to 5 kgf/cm2} {20 to 2000 inH2O} {50 to 5000 mbar}

High pressure side (Process flange side) wetted parts material*1*3



S# .

H# . .

T . .

[Diaphragm] [Others]

SUS316L SUS316*5

哈氏合金 C-276*4

哈氏合金 C-276*4 鉭 鉭

Process flange rating

J1 . . . . . .

J2 . . . . . .

A1 . . . . . .

A2 . . . . . .

D2 . . . . . .

D4 . . . . . .

JIS10K

JIS20K

ANSI Class 150 P1 . . . . . . . . . . JPI Class150

ANSI Class 300 P2 . . . . . . . . . . JPI Class300

DIN PN10/16

DIN PN25/40

Process flange

size / material

D . . . . . .

E . .. . . . .

F . .. . . . .

3-inch (80 mm) / S25C

3-inch (80 mm) / SUS304*6

3-inch (80 mm) / SUS316*7

Low pressure side process connection













0 . . . .

1 . .. . . .

2 . .. . . .

3 . .. . . .

4 . .. . . .

5 . . . . . .

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

with Rc1/4 電氣過程連接

with Rc1/2 電氣過程連接

with 1/4NPT 電氣過程連接

with 1/2NPT 電氣過程連接

無過程連接 (1/4 NPT female on the cover flange)

螺栓和螺母的材料l

A . .. . .

B . . . . .

C . .. . .

SCM435

SUS630

SUH660

Installation

-9 . . . . . . . . .

Horizontal impulse piping type, left side high pressure

電氣連接



0 . . .

2 . . . .

3 . . . .

4 . . .

5 . . . .

7 . . .

8 . . . .

9 . . .

A . .. .

C . . . .

D . . .

G1/2 female, one 電氣連接

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

Pg 13.5 female, two 電氣連接s without blind plug

M20 female, two 電氣連接s without blind plug

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

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

Pg 13.5 female, two 電氣連接s and a blind plug

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

G1/2 female, two 電氣連接s and a SUS316 blind plug

1/2 NPT female, two 電氣連接s and a SUS316 blind plug

M20 female, two 電氣連接s and a SUS316 blind plug

顯示面板







D . . .

E . . .

N . . .

Digital indicator

與范圍設(shè)定開關(guān)數(shù)字指示器*2

(None)



N ..

Always N

Optional codes

/□ 可選范圍

The ‘6’ marks indicate the most typical selection for each specification. Example: EJA210A-DMSA1D-92NN/□
The ‘#’marks indicate the construction materials conform to NACE material recommendations per MR01-75. For the use of SUS316 material, there may be certain limitations for pressure and temperature. Please refer to NACE standards for details.

*1: Low pressure side wetted parts material: Cover flange; SCS14A, Process connector; SCS14A,
Capsule; SUSF316L, SUS316L or ASTM grade 316L (Diaphragm; 哈氏合金 C-276 or ASTM N10276), 孔塞; SUS316 or ASTM grade 316

*2: Not applicable for 輸出信號 code F and G.

*3: Users must consider the characteristics of selected 部件材料and the influence of process fluids. The use of inappropri- ate 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

Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high-temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material.

*4: 哈氏合金 C-276 or ASTM N10276.

*5: SUS316 or ASTM grade 316.

*6: SUS304 or ASTM grade 304. Forged version may be used.

*7: SUS316 or ASTM grade 316. Forged version may be used.


產(chǎn)品系列 EJA210A [Process Flange size: 2-inch (50 mm)]



產(chǎn)品系列

型號代碼

描述

EJA210A

. .

Flange-mounted 差壓變送器 (Flush diaphragm type)

輸出信號

-D . . . . . .

-E . . . . . . . .

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

-G . . .. . . . .

4-20mA 信號輸出（BRAIN協(xié)議）

4-20mA 信號輸出(HART協(xié)議),參照GS 01C22T01-00E

Digital communication (基礎(chǔ)現(xiàn)場總線協(xié)議，參照GS 01C22T02-00E）

數(shù)字信號 (PROFIBUS PA協(xié)議，參照GS 01C22T03-00E)

測量范圍（壓力）

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

H . . . . . . . . . . . . . . . . .

1 to 100 kPa {100 to 10000 mmH2O} {4 to 400 inH2O} {10 to 1000 mbar}

5 to 500 kPa {0.05 to 5 kgf/cm2} {20 to 2000 inH2O} {50 to 5000 mbar}

High pressure side (Process flange side) wetted parts material*1*3



W# . . . . . .

[Diaphragm] [Others]

哈氏合金 C-276*4 SUS316*5

Process flange rating

J1 . . . . . .

J2 . . . . . .

A1 . . . . . .

A2 . .. . . . .

D2 . . . . . .

D4 . . . . . .

JIS10K

JIS20K

ANSI Class 150 P1 . . . . . . . . . . JPI Class150

ANSI Class 300 P2 . . . . . . . . . . JPI Class300

DIN PN10/16

DIN PN25/40

Process flange

size / material

A . . . . . .

B . . . . . .

C . . . . . .

2-inch (50 mm) / S25C

2-inch (50 mm) / SUS304*6

2-inch (50 mm) / SUS316*7

Low pressure side process connection













0 . . . . .

1 . . . . .

2 . . . . .

3 . . . . .

4 . .. . . .

5 . .. . .

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

with Rc1/4 電氣過程連接

with Rc1/2 電氣過程連接

with 1/4NPT 電氣過程連接

with 1/2NPT 電氣過程連接

無過程連接 (1/4 NPT female on the cover flange)

螺栓和螺母的材料l

A . . . . .

B . . . . .

C . . . . .

SCM435

SUS630

SUH660

Installation

-9 . . . .

Horizontal impulse piping type, left side high pressure

電氣連接



0 . . .

2 . . .

3 . . .

4 . . .

5 . .

7 . .

8 . .

9 . .

A . .

C . ..

D . . .

G1/2 female, one 電氣連接

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

Pg 13.5 female, two 電氣連接s without blind plug

M20 female, two 電氣連接s without blind plug

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

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

Pg 13.5 female, two 電氣連接s and a blind plug

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

G1/2 female, two 電氣連接s and a SUS316 blind plug

1/2 NPT female, two 電氣連接s and a SUS316 blind plug

M20 female, two 電氣連接s and a SUS316 blind plug

顯示面板







D .

E .. . .

N . . .

Digital indicator

與范圍設(shè)定開關(guān)數(shù)字指示器*2

(None)



N .

Always N

Optional codes

/□ 可選范圍

The ‘6’ marks indicate the most typical selection for each specification. Example: EJA210A-DMWA1A-92NN/□

The ‘#’marks indicate the construction materials conform to NACE material recommendations per MR01-75. For the use of SUS316 material, there may be certain limitations for pressure and temperature. Please refer to NACE standards for details.

*1: Low pressure side wetted parts material: Cover flange; SCS14A, Process connector; SCS14A, Capsule; SUS316L (Diaphragm; 哈氏合金 C-276 or ASTM N10276), 孔塞; SUS316

*2: Not applicable for 輸出信號 code F and G.


*3: Users must consider the characteristics of selected 部件材料and the influence of process fluids. The use of inappropri- ate 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.

Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high-temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material.

*4: 哈氏合金 C-276 or ASTM N10276.

*5: SUS316 or ASTM grade 316.

*6: SUS304 or ASTM grade 304. Forged version may be used.

*7: SUS316 or ASTM grade 316. Forged version may be used.


產(chǎn)品系列 EJA220A



產(chǎn)品系列

型號代碼

描述

EJA220A

. . . . . .

Flange-mounted 差壓變送器 (Extended diaphragm type)

輸出信號

-D . . . . . .

-E . . . . . .

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

-G . . . . .

4-20mA 信號輸出（BRAIN協(xié)議）

4-20mA 信號輸出(HART協(xié)議),參照GS 01C22T01-00E

Digital communication (基礎(chǔ)現(xiàn)場總線協(xié)議，參照GS 01C22T02-00E）

數(shù)字信號 (PROFIBUS PA協(xié)議，參照GS 01C22T03-00E)

測量范圍（壓力）

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

H . . . . . . . . . . . . . . . .

1 to 100 kPa {100 to 10000 mmH2O} {4 to 400 inH2O} {10 to 1000 mbar}

5 to 500 kPa {0.05 to 5 kgf/cm2} {20 to 2000 inH2O} {50 to 5000 mbar}

High pressure side (Process flange side) wetted parts material*1*5



S*2 #. . . .

W*3 #. . .

[Diaphragm] [Pipe] [Others]

SUS316L SUS316 SUS316*8

哈氏合金 C-276*6 SUS316 SUS316*8

Process flange rating

J1 . . . .

J2 . . . . .

A1 . . . . .

A2 . . . . .

D2 . . . . .

D4 . . . . .

JIS10K

JIS20K

ANSI Class 150 P1 . . . . . . . . . . JPI Class150

ANSI Class 300 P2 . . . . . . . . . . JPI Class300

DIN PN10/16

DIN PN25/40

Diaphragm extension

length (X2)

2 . . .. . .

4 . . . . . .

6 . .. . . .

X2=50 mm

X2=100 mm

X2=150 mm

Process flange

size/material

G . .. . .

H . . . .

J . . . .

D . . . .

E . . . .

F . . .. .

4-inch (100 mm) / S25C

4-inch (100 mm) / SUS304*9

4-inch (100 mm) / SUS316*10

3-inch (80 mm) / S25C

3-inch (80 mm) / SUS304*9

3-inch (80 mm) / SUS316*10

Low pressure side process connection











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l

A . . .

B . . .

C . . . .

SCM435

SUS630

SUH660

Installation

-9 . . . . . . .

Horizontal impulse piping type, left side high pressure

電氣連接



0 ..

2 ..

3 . .

4 . .

5 . .

7 .

8 .

9 .

A . . . . .

C . . . . . .

D . . .

G1/2 female, one 電氣連接

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

Pg 13.5 female, two 電氣連接s without blind plug

M20 female, two 電氣連接s without blind plug

G1/2 female, two 電氣連接s and a blind plug *7

1/2 NPT female, two 電氣連接s and a blind plug *7

Pg 13.5 female, two 電氣連接s and a blind plug *7

M20 female, two 電氣連接s and a blind plug *7

G1/2 female, two 電氣連接s and a SUS316 blind plug

1/2 NPT female, two 電氣連接s and a SUS316 blind plug

M20 female, two 電氣連接s and a SUS316 blind plug

顯示面板







D .

E .

N .

Digital indicator

與范圍設(shè)定開關(guān)數(shù)字指示器*4

(None)



N .

Always N

Optional codes

/□ 可選范圍

The ‘6’ marks indicate the most typical selection for each specification. Example: EJA220A-DMSA12G-92NN/□
The ‘#’marks indicate the construction materials conform to NACE material recommendations per MR01-75. For the use of SUS316 material, there may be certain limitations for pressure and temperature. Please refer to NACE standards for details


*1: Low pressure side wetted parts material: Cover flange; SCS14A, Process connector; SCS14A, Capsule; SUS316L (Diaphragm, 哈氏合金 C-276 or ASTM N10276), 孔塞; SUS316

*2: Applicable for 4-inch (100 mm) flange size (Process flange size/material G, H and J).

*3: Applicable for 3-inch (80 mm) flange size (Process flange size/material D, E and F).

*4: Not applicable for 輸出信號 code F and G.

*5: 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.

Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high-temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material.

*6: 哈氏合金 C-276 or ASTM N10276.

*7: Not applicable when option code /E1 is specified.

*8: SUS316 or ASTM grade 316.
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