Yokogawa EJA110E High-Performance Transmitter For Flow, Liquid Level, And Density Measurement
Product introduction
The Yokogawa EJA110E is a high-performance differential pressure transmitter designed for precise measurement of liquids, gases, or steam flow, as well as level, density, and pressure. This advanced instrument converts the measured differential pressure into a 4- 20mA DC signal output. It boasts rapid response capabilities, remote setting options via communication protocols, and self-diagnosis functions. The EJA110E series supports multiple communication protocols, including BRAIN, HART/HART (1~5VDC low power), FOUNDATION Fieldbus, and PROFIBUS PA, ensuring seamless integration into various industrial automation systems
Key Features
- High Accuracy: ±0.055% (Optional ±0.04%)
- Long-Term Stability: ±0.1% over 10 years
- Fast Response Time: 90 ms
- Safety Certified: Exida and TUV SIL 2 / SIL3
- Maximum Over Pressure: 2,300 psi (Optional 3,600 psi)
- User-Friendly Configuration: Local Parameter Setting (LPS)
- Advanced Digital Sensor: Uses a DPharp digital sensor for superior performance and stability
- Versatile Communication: Supports HART, FOUNDATION Fieldbus, PROFIBUS PA, and BRAIN protocols
Product Specifications:
| Parameter | EJA110E | EJA120E | EJA130E | EJA430E | EJA118E | EJX910A |
| Type | Differential Pressure | Low Differential Pressure | High Static Differential Pressure | Gauge Pressure | Diaphragm-Sealed DP | Multivariable (DP + Temp + Flow) |
| Accuracy | ±0.055% (opt. ±0.04%) | ±0.055% | ±0.055% | ±0.055% | ±0.055% | ±0.04% |
| Stability | ±0.1% / 10 years | ±0.1% / 10 years | ±0.1% / 10 years | ±0.1% / 10 years | ±0.1% / 10 years | ±0.1% / 10 years |
| Response Time | 90 ms | 90 ms | 90 ms | 90 ms | 90 ms | 90 ms |
| Max Working Pressure | 2,300 psi (opt. 3,600 psi) | 2,300 psi | 4,500 psi | 2,300 psi | 2,300 psi | 2,300 psi |
| Typical Applications | Flow, liquid level, density | Low DP (air flow, filters) | High static pressure (oil & gas) | General gauge pressure | Corrosive/high-temp fluids | Integrated flow with compensation |
Here are some frequently asked questions (FAQs) about the Yokogawa EJA110E High-Performance Differential Pressure Transmitter:
General Questions
What is the Yokogawa EJA110E used for?
The EJA110E is designed for differential pressure measurement in industries such as oil & gas, chemical processing, power plants, and water treatment
What is the accuracy of the EJA110E?
It offers ±0.055% accuracy, with an optional ±0.04% accuracy for higher precision.
What communication protocols does it support?
The EJA110E is compatible with HART, FOUNDATION Fieldbus, PROFIBUS PA, and BRAIN communication protocols.
Technical & Performance Questions
What is the response time of the EJA110E?
It has a 90 ms response time, ensuring fast and reliable pressure measurement.
What is the stability over time?
The transmitter maintains ±0.1% stability over 10 years, ensuring long-term reliability.
Does the EJA110E use digital technology?
Yes, it features Yokogawa’s DPharp digital sensor, which provides superior performance and stability compared to traditional analog sensors.
Installation & Maintenance
Does the EJA110E support Local Parameter Setting (LPS)?
Yes, it allows local configuration without needing external tools.
Is the EJA110E certified for safety applications?
Yes, it is Exida and TUV SIL 2/SIL 3 certified, making it suitable for safety-critical environments.
Frequently Asked Questions (FAQ) – Yokogawa EJA110E
Q1: What is the Yokogawa EJA110E used for?
A: The EJA110E is a high-performance differential pressure transmitter designed to measure flow, liquid level, density, and pressure in industrial processes. It is part of Yokogawa’s EJA-E series, combining rugged design with advanced DPharp sensor technology Yokogawa Electric Corporation.
Q2: What is the accuracy of the EJA110E?
A: Standard accuracy is ±0.055% of span, with optional high-performance accuracy of ±0.04% when ordered with specific suffix codes.
Q3: How stable is the transmitter over time?
A: The EJA110E offers 0.1% stability for 10 years, ensuring reliable long-term operation without frequent recalibration.
Q4: What measurement ranges are available?
A: It supports ranges from 0–5 kPa (low flow/level) up to 0–14 MPa (high pressure), making it versatile for both low-level tank monitoring and high-pressure pipeline applications.
Q5: What industries use the EJA110E?
A: Common industries include oil & gas, chemical, petrochemical, power generation, and nuclear plants, where accurate differential pressure measurement is critical.
Q6: What communication protocols are supported?
A: Standard output is 4–20 mA with HART® protocol, enabling integration with modern control systems. FOUNDATION Fieldbus and PROFIBUS options are also available.
Q7: What is the housing material?
A: The standard housing is cast aluminum alloy, offering durability and corrosion resistance while keeping the transmitter lightweight.
Q8: How fast is the response time?
A: The EJA110E has a 90 ms response time, making it suitable for dynamic process control.
Q9: What certifications are available?
A: It is certified for SIL (Safety Integrity Level) compliance by Exida and TÜV, and meets ISO9001 standards.
Q10: How does it compare to older Yokogawa models?
A: The EJA110E combines the ruggedness of the EJA-A series with the high performance of the EJX-A series, offering improved accuracy, stability, and digital communication Yokogawa Electric Corporation.
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