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Diaphragm Sealed Gauge Pressure Transmitters - Yokogawa
May 25, 2017

Main specification :

Output Signal:
4 to 20 mA DC, 2-wire system with digital communication

Supply Voltage :
10.5 to 42 V DC for general use and flameproof type
10.5 to 32 V DC for lightning protector (Optional code /A)
10.5 to 30 V DC for intrinsically safe, Type n,
nonincendive, or non-sparking type 10.5 to 28 V DC for TIIS intrinsically safe type

Transmitter Material:
Cover flange; JIS SCS14A Cover flange bolts; See ‘Model and Suffix Codes.’

Diaphragm Seal Material:
Diaphragm and other wetted parts; See ‘Model and Suffix Codes.’
Capillary tube; JIS SUS316 Protection tube; JIS SUS304
PVC-sheathed (Max. operating temperature of PVC, 100 ˚C (212 ˚F)) Fill fluid; See Table 1.

Basic information :

EJA438W and EJA438N Diaphragm Sealed Gauge Pressure Transmitterscan be used to measure liquid,

gas or steam pressure. They output a 4 to 20 mA DC signal corresponding to the measured pressure.
The models EJA438W and EJA438N feature remote setup and monitoring through communications with

 the model BT200/100 BRAIN TERMINAL, CENTUM CS/XL system


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