A Reliable Pressure Transmitter Designed for Industrial Operation
The Yokogawa EJA430E is a traditional-mount gauge pressure transmitter from the EJA-E series, designed for users who need dependable measurement performance and long service life.
It combines the proven reliability of Yokogawa’s pressure transmitter technology with digital sensor performance, helping industries achieve stable process control while reducing unexpected maintenance.
Why Choose EJA430E?
Proven DPharp Digital Sensor Technology
The EJA430E uses Yokogawa’s single crystal silicon resonant DPharp sensor technology.
Compared with traditional analog sensor designs, DPharp technology provides direct digital sensor output, improving measurement accuracy, repeatability, and long-term stability. It also enables advanced diagnostic functions to help operators understand transmitter conditions more easily.
Reduce Maintenance and Improve Plant Availability
For industrial plants, transmitter reliability directly affects production efficiency.
The EJA430E helps reduce maintenance requirements through:
- ±0.1% of URL per 10 years stability
- Advanced self-diagnostics
- Longer calibration intervals
- Reliable performance under normal operating conditions
These features help reduce unnecessary field inspections and improve overall plant availability.
Accurate Measurement for Liquid, Gas and Steam
The EJA430E is designed for a wide range of process pressure applications.
It can accurately measure:
- Liquid pressure
- Gas pressure
- Steam pressure
Its stable performance makes it suitable for general process industries including oil & gas, chemical, power generation, and water treatment applications.
Flexible Communication and Easy Integration
The EJA430E supports multiple communication options to fit different automation systems:
- HART 5 / HART 7
- FOUNDATION Fieldbus
- PROFIBUS PA
- BRAIN
- Low Power 1–5 V DC with HART 7
The Local Parameter Setting (LPS) function allows basic configuration adjustments without requiring a dedicated communicator.
Key Features
- Traditional-mount gauge pressure transmitter
- Yokogawa EJA-E series
- DPharp digital sensor technology
- Suitable for liquid, gas, and steam measurement
- ±0.055% reference accuracy
- ±0.04% accuracy option with /HAC
- 90 ms response time
- ±0.1% URL per 10 years stability
- 100:1 rangeability
- Advanced self-diagnostics
- Local Parameter Setting (LPS)
- HART, FOUNDATION Fieldbus, PROFIBUS PA, BRAIN communication options
- SIL 2/3 certification options
- International hazardous area approvals
Typical Applications
The EJA430E is commonly used for:
- Process line pressure measurement
- Liquid pressure monitoring
- Gas pressure measurement
- Steam pressure measurement
- Pump and compressor monitoring
- Chemical processing
- Oil and gas facilities
- Power generation systems
- Water and wastewater plants
- General industrial automation
Frequently Asked Questions
What is the Yokogawa EJA430E used for?
The EJA430E is a gauge pressure transmitter used to measure the pressure of liquids, gases, and steam in industrial processes.
What type of pressure does EJA430E measure?
The EJA430E measures gauge pressure, which means the measured pressure is referenced against atmospheric pressure.
What is the accuracy of EJA430E?
The standard reference accuracy of the EJA430E is ±0.055% of span. With the optional /HAC configuration, accuracy can reach ±0.04% of span.
How stable is the EJA430E?
The EJA430E provides ±0.1% of URL per 10 years stability, helping reduce calibration frequency and maintenance effort.
What is the difference between EJA430E and EJX430A?
Both are Yokogawa traditional-mount gauge pressure transmitters.
The EJA430E focuses on reliable industrial measurement, long-term stability, and cost-effective operation.
The EJX430A belongs to Yokogawa’s premium EJX-A series and provides higher performance specifications for more demanding applications.
Can EJA430E measure steam pressure?
Yes. The EJA430E is designed for measuring liquid, gas, and steam pressure.
Does EJA430E support HART communication?
Yes. The EJA430E is available with HART communication and other industrial communication protocols depending on configuration.
Why choose EJA430E instead of a standard pressure transmitter?
The EJA430E provides the advantages of Yokogawa’s proven DPharp technology, including stable measurement performance, reliable diagnostics, and long-term operating reliability.
