YOKOGAWA EJX310A Traditional-mount Absolute Pressure Transmitter

Selection Notes

• Confirm the required absolute pressure measurement range for the process.
• Verify the appropriate capsule type (L, M, A or B) based on pressure range requirements.
• Select the suitable process connection and mounting configuration.
• Choose the required communication protocol, such as HART®, BRAIN or FOUNDATION Fieldbus.
• Ensure the transmitter meets hazardous area certifications when installed in explosive environments.

Why Choose Yokogawa EJX310A Absolute Pressure Transmitter

• High Measurement Accuracy
The EJX310A provides reference accuracy up to ±0.04% of span depending on the capsule type, making it suitable for demanding process control applications.

• DPharp Digital Sensor Technology
Yokogawa’s proprietary DPharp digital sensor continuously monitors sensor signals and verifies calculations in real time, improving reliability and diagnostic capability.

• Excellent Long-Term Stability
The transmitter offers stability of approximately ±0.2% of URL over 10 years, reducing the need for frequent recalibration and lowering maintenance costs.

• Wide Rangeability
With rangeability up to 200:1, the EJX310A can accommodate a wide variety of process pressure ranges using different capsule options.

• Flexible Digital Communication
Supports 4-20 mA analog output with HART®, BRAIN or FOUNDATION Fieldbus protocols, enabling seamless integration into distributed control systems (DCS).

FAQ

Q: What type of pressure does the EJX310A measure?
A: The EJX310A measures absolute pressure, meaning pressure relative to a perfect vacuum reference.

Q: What communication protocols are supported?
A: The transmitter supports 4-20 mA output with HART®, BRAIN and FOUNDATION Fieldbus communication options.

Q: What industries commonly use the EJX310A?
A: Typical industries include oil and gas, chemical processing, power generation and industrial automation.

Q: What is the benefit of DPharp sensor technology?
A: The DPharp digital sensor improves measurement accuracy, stability and diagnostic capabilities compared to traditional analog sensors.