EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter
EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter
EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter
EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter
EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter
EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter

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EJA438 Diaphragm Sealed Gauge Pressure Transmitters EJA438N EJA438W Pressure Transmitter

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Product description

 

EJA438 Diaphragm Sealed Gauge Pressure Transmitters

 

Diaphragm Sealed Gauge Pressure Transmitters


Diaphragm seal is used to prevent process medium from entering directly into the pressure-sensing assembly of the pressure transmitter. It is connected to the transmitter using capillary filled with fill fluid.

Models EJA438W and EJA438N Diaphragm Sealed Gauge Pressure Transmitters can be used to measure liquid, gas or steam pressure.

They output a 4 to 20 mA DC signal corresponding to the measured pressure. The EJA Series is available with BRAIN, HART, FOUNDATION™ fieldbus or PROFIBUS PA communication protocols.
EJA438a   EJA438b   EJA438A  EJA438A   EJA438   EJA438   EJA438   EJA438 PRODUCTS INFO

Model

Application

Type

Capsule

Measurement Span

Maximum Working Pressure

kPa

inH2O

MPa

psi


EJA438W
EJA438N

Gauge
Pressure
with Remote
Seal

Flush

A
B

0.06 to 3 MPa
0.46 to 14 MPa

8.6 to 430 psi
66 to 2000 psi

Based on Flange Rating

Extended

A
B

0.06 to 3 MPa
0.46 to 7 MPa

8.6 to 430 psi
66 to 1000 psi

 


Models EJA438W, EJA438N Diaphragm Sealed Gauge Pressure Transmitters can be used to measure liquid, gas, or steam flow as well as liquid level, density, and pressure.

 

 

 

Diaphragm Sealed Gauge Pressure Transmitters

EJA438W/EJA438N
A Capsule

EJA438W
B Capsule

EJA438N
B Capsule

Range

-0.1 to 3 MPa
(-15 to 430 psi)

-0.1 to 14 MPa
(-15 to 2000 psi)

-0.1 to 7 MPa
(-15 to 1000 psi)

Span

0.06 to 3 MPa
(8.6 to 430 psi)

0.46 to 14 MPa
(66 to 2000 psi)

0.46 to 7 MPa
(66 to 1000 psi)

Accuracy

±0.2%

±0.2%

±0.2%

Degrees of protection

IP67, NEMA 4X, and JIS C0920 immersion proof

Certificates

FM, CENECEC ATEX, CSA, TIIS, IECEx

Output

4 to 20 mA DC or FOUNDATION™ fieldbus or PROFIBUS PA 2-wire system with digital communication

Supply voltage

BRAIN and HART:10.5 to 42 V DC (10.5 to 30 V DC for Intrinsically safe type)
Fieldbus:9 to 32 V DC (9 to 24 V DC for Entity model and 9 to 17.5 V DC for FISCO model)

Ambient temperature

-40 to 60 deg C (-40 to 140 deg F) (general use type)
-30 to 60 deg C (-22 to 140 deg F) (with integral indicator)
It must be within the fill fluid operating temprature range

Process temperature

-50 to 300 deg C (-58 to 572 deg F)
It must be within the fill fluid operating temprature range

Maximum working pressure

Max. measurement range valve
The working pressure must be within the flange rating.

Mounting

Transmitter: 2-inch pipe mounting
Diaphragm seal: flange mounting

Process flange size

Flush type: 3-inch (80mm), 2-inch (50mm)
Extended type: 4-inch (100mm), 3-inch (80mm)

Diaphragm material

SUS316L, Hastelloy C-276, Tantalum, Titanium

Process flange material

S25C, SUS304, SUS316

Housing

Cast aluminum alloy or SUS316 equivalent stainless steel (optional)

 

 

 

All the EJA EJX Series Made in Japan and Original Yokogawa, 

 

No Made in China products

 

We also SUPPLY Ohter Pressure Transmitters

 

 

 Our business on Yokogawa instrument:

EJX-A Pressure Transmitters:

EJX110A,EJX115A,EJX118A,EJX120A,EJX130A,EJX210A,EJX310A,EJX430A,EJX438A

EJX440A,EJX510A/EJX530A,EJX610A/EJX630A,EJX910A,EJX930A

 

EJA-A Pressure Transmitters:

EJA110A,EJA115,EJA118,EJA120A,EJA130A,EJA210A/EJA220A

EJA310A,EJA430A,EJA438,EJA440A,EJA510A/EJA530A

 

EJA-E Pressure Transmitters, New series

YTA Series Temperature Transmitters

YTA110 Temperature Transmitter

YTA50 Temperature Transmitter

YTA70 Temperature Transmitters

YTA310/YTA320 Temperature Transmitters

YTA510 Wireless Temperature Transmitters

YTMX580 Multi-Input Temperature Transmitter

 

  • Yokogawa EJA120A differential pressure transmitter
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  • Yokogawa EJA310A absolute pressure transmitter
  • Yokogawa EJA210A/EJA220A flange differential pressure transmitter
  • Yokogawa EJA440A high pressure transmitter
  • Yokogawa EJA430A yokogawa pressure transmitter
  • Yokogawa EJA510A/EJA530A pressure transmitter
  • Yokogawa EJA115A tiny flow transmitter
  • Yokogawa EJA118 diaphragm type differential pressure transmitter
  • EJA438W/EJA438N diaphragm type pressure transmitter
  • Yokogawa EJX110A differential pressure transmitter
  • yokogawa EJX120A differential pressure transmitter
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