Yokogawa EJA438W-EASA1CB-AA03-94DB/M05/T46/D4/KF21 Pressure Transmitters

EJA438W Diaphragm Sealed GaugePressure Transmitters can be used to measure liquid, gas orsteam pressure. They output a 4 to 20 mA DC signalcorresponding to the measured pressure

Product Details

Yokogawa EJA438W-EASA1CB-AA03-94DB/M05/T46/D4/KF21 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.

The models EJA438Wfeature remote setup and monitoring through communications with the model BT200/100 BRAIN TERMINAL, CENTUM CS/XL system etc.




-E                                4 to 20 mA DC with digital communication (HART protocol)   *1

A                                 0.06 to 3 MPa {0.6 to 30 kgf/cm2}{8.6 to 430 psi}{0.6 to 30 bar}

S                                 [Diaphragm]                               [Others] 

                                   JIS SUS316L                                JIS SUS316L *11

A1                               ANSI Class 150 P1 . . . . . . . . . JPI Class 150

C                                 2-inch (50 mm) / JIS SUS316 *13

B                                 JIS SUS630

-A                               For general use (silicone oil) -10 to 250 C -10 to 60 C

A                                 Always A

03                               Specify capillary length from 1 to 10 m in  . (Example for 2 m : 02)

-9                               Horizontal impulse piping type, left side high pressure

4                           M20 female, two electrical connections without blind plug

D                                 Digital indicator

B                                 JIS SUS304 2-inch pipe mounting (flat type)

M05                            Process flange, Block

T46                             ANSI/JPI Class 150   3 MPa {29.8 kgf/cm2}

D4                               M calibration (kgf/cm2 unit )

KF21                           CENELEC ATEX (KEMA) Flameproof Approval *2 *4 Applicable 

                                    standard: EN60079-0, EN60079-1 Certificate: KEMA 02ATEX2148 II 2G Ex d IIC T4, T5, T6  Amb.                                          Temp.: T5; –40 to 80C ( –40 to 176F), T4 and T6; –40 to 75C ( –40 to 167F) Max. process                                                Temp.: T4; 120C (248F), T5; 100C (212F), T6; 85C (185F)




 DIMENSIONS  Model EJA438W

EJA438W (4)

*1: Indicates inside diameter of gasket contact surface. 

*2: Applicable only for ATEX, IECEx, and TIIS Flameproof type.





Ambient Temperature Limits: 

-40 to 60 ˚C (-40 to 140 ˚F) (general-use type) 

-30 to 60 ˚C (-22 to 140 ˚F) (with integral indicator)


Mounting: 

Transmitter; 2-inch pipe mounting Diaphragm 

seal; flange mounting


Working Pressure Limits: 

2.7 kPa abs{20 mmHg abs}to max. measurement rangevalue. 

(Note: The working pressure must be within flange rating pressure.) 




Company  profile 

Company  profile 

Shaanxi Tebess Electronic Technology Co. LTD established on June 8th of 2010. 

We are authorized instruments distributor of yokogawa, Rosemount, Endress Hauser, honeywell , ABB, YTC .

We offer original products in best price and fastest delivery time, especially for pressure transmitter,

temperature transmitter,flow meterS and valve positioner



Forwarder introduce 

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Xi'an XK is one of the professional suppliers of the yokogawa eja438w-easa1cb-aa03-94db/m05/t46/d4/kf21 pressure transmitters. Offering you the best discount and original sources, we have many types of products for you. Coming in low cost, high quality, cheap price and good measurement performance, we welcome you to buy the product with our agent.
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