Yokogawa EJA438W-EBHA4BB-AA05-92DA-FU1-M05-T39 Pressure Transmitter 

1a

The Yokogawa EJA438W is a diaphragm seal gauge pressure transmitter that measures the pressure of liquids, gases, or steam. It utilizes a diaphragm seal to isolate the pressure-sensing assembly from the process medium. The pressure being measured is converted into a 4-20 mA DC output signal. The EJA438W also supports remote setup and monitoring through communication protocols like BRAIN or HART

 

pdf downloadTransmitter Datasheet

 

Transmitter Feature  

  • Manufacturer: Yokogawa
  • Product No. : EJA438W-EBHA4BB-AA05-92DA-FU1-M05-T39
  • Model: EJA438W- Diaphragm Sealed Gauge Pressure transmitter (Flush diaphragm type)
  • Output signal: E = 4 to 20 mA DC with digital communication (HART protocol, refer to GS 01C22T01-00EN)
  • Measurement span (capsule) : B = 0.46 to 14 MPa {4.6 to 140 kgf/cm2}{66 to 2000 psi}{4.6 to 140 bar}
  • Wetted parts material (note*1): H = [Diaphragm Hastelloy C-276  (note *7)] - [Others Hastelloy C-276 (note*7)]
  • Process flange rating: A4 = ANSI Class 600
  • Process flange size / material: B = 2-inch (50 mm) / JIS SUS304 (note *8)
  • Cover flange bolts material: B= JIS SUS630
  • Fill fluid: A (note 2)= For general use (silicone oil) [Process temp. -10 to 250 °C] - [Ambient temp. -10 to 60 °C]
  • Always A: 
  • Lenthg Capillary : 05 = 5 meters
  • Installation : = Horizontal impulse piping type, left side high pressure
  • Electrical connection: 2 =1/2 NPT female, two electrical connections without blind plug
  • Integral indicator: =Digital indicator
  • Mounting bracket: = JIS SECC 2-inch pipe mounting (flat type)
  • Factory Mutual (FM): FU1 =Combined FF1 and FS1 (note *1 *3 *4)
  • Mill Certificate: M05 = Process flange, Block - For model EJA438W
  • Pressure test/ Leak test Certificate (note *12) : T39 = For B-capsule: ANSI/JPI Class 600 / 14 MPa {140 kgf/cm2}  EJA438W - Nitrogen ( N2 ) Gas *13 Retention time: 10 minutes

Basic Ordering Information Transmitter

There are several Model of pressure transmitters, for more details read the PDF below 

pdf downloadBasic Ordering Information

Electrical connections 

7

 

 1b
6b
4A 5A

 


 

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