Yokogawa Gauge Pressure Transmitter EJA438E Series

The Gauge Pressure Transmitter for Industrial automation

The Yokogawa EJA-E series of transmitters is most recent evolution of the DPharp family. Released in 2012, it combines the ruggedness and success of the work-horse EJA-E series with the performance of the thoroughbred EJX-A series to deliver the type of product you have come to expect from Yokogawa.

The EJA438E Series is a gauge pressure transmitter with a remote diaphragm seal in the series.

Diaphragm seal is used to prevent process medium form entering directly into the pressure-sensing assembly of the pressure transmitter, it is connected to the transmitter using capillary filled with fill fluid. EJA438E Series Diaphragm Sealed Gauge Pressure Transmitters can be used to measure liquid, gas, or steam pressure. EJA438E outputs a 4 to 20 mA DC signal corresponding to the measured pressure. It also features quick response, remote setup and monitoring via BRAIN or HART communications and self-diagnostics. FOUNDATION Fieldbus, PROFIBUS PA and 1 to 5 V DC with HART (Low Power) protocol types are also available. EJA-E series models in their standard configuration, with the exception of the Fieldbus, PROFIBUS and Low Power types, are certified as complying with SIL 2 for safety requirement.

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Measurement Types

Gauge Pressure

Reference Accuracy

±0.2% of Span

Response Time

200 ms

Specification Conformance

±3σ

Do you like to know how these sensors work? Check our article to find out about them: Pressure sensor (Pressure Transducer, Pressure Transmitter, Pressure Switch, Pressure Gauge,Difference between all Terms.