Shaanxi Huibo Electromechanical Technology Co., Ltd
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Yokogawa EJA120E Draft Range Differential Pressure Transmitter Stainless Steel Enclosure
Details:
The Yokogawa EJA120E is a high-performance micro differential pressure transmitter. It utilizes single-crystal silicon resonant sensor technology and is suitable for measuring the flow, liquid level, density, and pressure of liquids, gases, or steam. The EJA120E converts the measured differential pressure into a 4- 20mA DC signal output, featuring rapid response, remote setting, and self-diagnosis functions. It supports multiple communication protocols such as HART 5/7, HART (1~5V DC) low-power type, FF fieldbus, PROFIBUS PA, and BRAIN
Superior Accuracy: Achieves ±0.2% standard accuracy, with an optional upgrade to ±0.09% for enhanced precision.
Exceptional Long-Term Stability: Maintains ±0.3% per year, ensuring consistent and reliable performance over extended periods.
Rapid Response Time: Delivers 150ms response time, providing fast and accurate readings for real-time monitoring.
Certified for Safety Applications: Holds SIL 2 / SIL 3 certification from Exida and TUV, making it ideal for safety-critical processes.
User-Friendly Configuration: Features Local Parameter Setting (LPS) for easy setup and adjustments without external tools.
Optimized for Low-Pressure Applications: Specifically designed for draft range measurements, ensuring precise control in sensitive environments.
Flexible Communication Options: Supports HART 5/7, FOUNDATION Fieldbus, PROFIBUS PA, and BRAIN protocols for seamless integration.
Specifications:
| warranty | 1 years |
| brand name | Yokogawa |
| model number | Yokogawa pressure transmitter EJA |
| Product Name | EJA Pressure Transmitter |
| Nominal Diameter | 25~300mm |
| Medium Temperature | -40℃ to +320℃ |
| Accuracy | ±1 |
| Nominal Pressure | 2.5MPa,4.0MPa |
| Ambient Temperature | (-40 to +80)℃,Converter:(-15 to +50)°℃ |
| Output Signal | Current pulse, load resistance not exceeding 350Q |
| Flange Material | Carbon steel, stainless steel |
| Enclosure Protection | IP63/IP65 |
| Output | 4-20mADC/HART |
Common Models:
EJA120E-JES4J-917EA
EJA120E-DES4J-917DA
EJA120E-JES4J-912DA/NF2
EJA120E-DES5J-912EA
EJA120E-DES4J-812NN
EJA120E-DES5J-919DN/NF2
EJA120E-DES5J-712EC
Q1: What is the Yokogawa EJA120E Draft Range Differential Pressure Transmitter used for?
A: The EJA120E is designed for precise low-range differential pressure measurement in industrial applications, including oil & gas, chemical processing, power generation, and water treatment. It is particularly suited for applications requiring high accuracy at very low pressure levels.
Q2: What makes the EJA120E different from other differential pressure transmitters?
A: The EJA120E utilizes Yokogawa's advanced DPharp digital sensor technology, ensuring higher accuracy, long-term stability, and dynamic compensation for temperature and static pressure effects, especially in low-pressure applications.
Q1: What is the accuracy of the EJA120E?
A: The standard accuracy is ±0.055%, with an optional upgrade to ±0.04% for enhanced performance.
Q2: What is the response time of the transmitter?
A: The response time is 90 milliseconds, allowing for fast and reliable measurements.
Q3: What is the maximum working pressure?
A: The standard maximum working pressure is 2,300 psi, with an optional upgrade to 3,600 psi for high-pressure environments.
Q1: How is the EJA120E installed?
A: It follows a traditional mount configuration, making installation straightforward with standard industrial mounting brackets.
Q2: Does the EJA120E require frequent calibration?
A: No, due to its exceptionally long-term stability of ±0.1% per 10 years, it requires minimal recalibration, reducing maintenance efforts.
Q1: Is the EJA120E certified for safety applications?
A: Yes, the EJA120E is SIL 2 / SIL 3 certified by Exida and TUV, making it suitable for safety-critical environments.
Q2: Does the transmitter support Local Parameter Setting (LPS)?
A: Yes, it features Local Parameter Setting (LPS), enabling easy configuration and adjustments without requiring external tools.