EJA440E Traditional-mount High Gauge Pressure Transmitter

EJA440E Traditional-mount High Gauge Pressure Transmitter

The EJA-E series of transmitters is Yokogawa’s 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. All of the process variable’s measured by Yokogawa’s transmitter can be displayed on the easy to read local indicator. The indicator can display any of the variables measured (DP, SP, Capsule temperature); alarm codes with short text; and a sweeping bar graph to give a graphical representation of the process. Fully programmable, the indicator is customizable for your needs. Unlike competitor’s transmitters, the indicator is not driven off the 4 to 20 mA analog signal, but, exist on a separate circuit. This allow the display to operate independently from the output signal, so it can indicate information that maybe more useful at the transmitter location.

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Yokogawa’s DPharp digital sensor offers twice the performance and stability of the competitor’s analog sensors. The DPharp uses the latest in IC Chip-style design and manufacturing technology. Analog sensors are based on older design technology. Although analog sensors are good, the modern DPharp sensor out performs them. A Yokogawa transmitter with DPharp digital sensor will give you the consistent, reliable, accurate measurement you need. Signal characterization is a versatile function available on all Yokogawa pressure transmitters. The function is used to compensate the analog 4 to 20 mA output signal for non-linear applications. Such applications include tank strapping or flow measurements; but, it can be used in any application where the relationship between the pressure input and the desired output signal are known. This feature can use up to 10-points.

Measurement Types

Primary Variable Gauge Pressure

Reference Accuracy

Primary Variable ±0.055% of Span

Stability (All Normal Operating Conditions)

Primary Variable ±0.1% of URL per 10 years

Response Time

Primary Variable 90ms

Burst Pressure (Absolute)

EJA510E 19,100 psi (132 MPa)

Specification Conformance

EJA-E Series ±3σPrimary Variable 200:1

Features

  • ± 0.055% Accuracy
  • ± 0.1% Stability per 10 years
  • 90 ms Response Time
  • Exida and TUV SIL 2/3 Certified
  • Local Parameter Setting (LPS)