EJX110A Differential Pressure Transmitter

Yokogawa EJX110A Differential Pressure Transmitter

Feature :

The high performance differential pressure transmitter EJX110A features single crystal silicon resonant
sensor and is suitable to measure liquid, gas, orsteam flow as well as liquid level, density and pressure.

EJX110A outputs a 4 to 20 mA DC signalcorresponding to the measured differential pressure.
Its highly accurate and stable sensor can also measure the static pressure which can be shown on the

integral indicator or remotely monitored via BRAIN or HART communications. Other key features include
quick response, remote set-up using communications,diagnostics and optional status output for pressure
high/low alarm. The multi-sensing technology provides the advanced diagnostic function to detect such
abnormalities as an impulse line blockage or heat trace breakage. FOUNDATION Fieldbus protocol type is
also available. All EJX series models in their standard configuration, with the exception of the Fieldbus type,
are certified by TÜV as complying with SIL 2 for safety requirement.

Specifications :

Accuracy
Absolute Pressure
1MPa or higher :
0.2% of span
Less than 1 MPa:
0.2%(1 MPa/span) of span
Gauge Pressure Reference
Gauge pressure reference is 1013 hPa (1 atm)

Output “”
Two wire 4 to 20 mA DC output with digital communications, linear or square root programmable. BRAIN
or HART FSK protocol are superimposed on the 4 to
20 mA signal.
Output  range: 3.6 mA to 21.6 mA
Output limits conforming to NAMUR NE43 can be
pre-set by option code C2 or C3.

Failure Alarm (Output signal code D and E)
Analog output status at CPU failure and hardware
error;
Up-scale: 110%, 21.6 mA DC or more (standard)
Down-scale:  5%, 3.2 mA DC or less
Analog output status at process abnormality (Option
code /DG6);

Teachnical parameters :

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