Yokogawa EJX120A Draft Range Differential Pressure Transmitter
$500.00
The EJX120A draft range differential pressure transmitter is designed for high‑accuracy low differential pressure measurement in industrial processes. It is part of Yokogawa’s EJX‑A series and uses a digital DPharp pressure sensor for improved performance and long‑term stability.
In addition, the transmitter supports advanced diagnostics and digital communication. These features help users monitor process conditions more reliably and reduce unscheduled maintenance. Typical applications include low‑flow measurement, draft measurement, and critical process control loops in chemical, power and water treatment facilities.
Key performance features include:
• ±0.09% of span reference accuracy
• 150 ms response time
• Excellent long‑term stability
• Digital diagnostics and communications
• SIL2/SIL3 functional safety certification
Selection Notes
Before selecting the EJX120A transmitter, first confirm the differential pressure range you need to measure, especially if you are handling very low draft pressures.
Next, check the process connection and mounting style to ensure compatibility with your existing manifolds or piping setup.
Then, choose the appropriate communication protocol, such as HART, FOUNDATION Fieldbus or PROFIBUS PA, depending on your control system requirements.
Finally, verify that the transmitter’s functional safety certification and environmental ratings match the hazardous area classification of the installation site.
Why Choose Yokogawa EJX120A
High‑Accuracy Differential Measurement
The EJX120A delivers ±0.09% of span accuracy, suitable for precise measurement where low differential pressures must be tracked accurately.
Fast Sensor Response
With a 150 ms response time, this transmitter quickly reflects changes in process conditions, which is essential for responsive control and safety systems.
Stable Long‑Term Performance
The transmitter provides excellent stability over time, which helps extend recalibration intervals and reduce lifecycle maintenance costs.
Advanced Diagnostics
Built‑in diagnostics constantly monitor sensor health and measurement integrity, enabling easier troubleshooting and fewer surprises in operation.
Functional Safety Certifications
The EJX120A meets SIL2/SIL3 safety standards without requiring special options, making it suitable for use in safety instrumented loops.
FAQ
What type of pressure does the EJX120A measure?
It measures differential pressure in draft range applications, making it suitable for low‑pressure measurements such as flow, level or filter condition monitoring.
Which communication protocols are supported?
Available protocols include HART, FOUNDATION Fieldbus and PROFIBUS PA (depending on model).
Can this transmitter handle different process media?
Yes. EJX120A can measure differential pressure in gas, liquid and steam applications.
Where is this transmitter typically used?
Typical industries include chemical processing, power generation, water treatment, and any facility requiring precise low differential pressure measurement.
| Measurement Types | Differential Pressure (Draft Range) |
|---|---|
| Reference Accuracy | ±0.09% of Span |
| Response Time | 150 msec |
| Rangeability | 40:1 |
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