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Help CenterYOKOGAWA EJX120A Differential Pressure Transmitter
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As a trusted partner in the global industrial instrumentation market since 2011, Rossonix Co., Limited is proud to supply the YOKOGAWA EJX120A Differential Pressure Transmitter. This transmitter represents a pinnacle of reliability and precision in pressure measurement, designed to deliver exceptional performance in demanding process environments. With a proven track record of exporting to major markets worldwide, including North America, Europe, and Asia, we understand the critical need for accurate, stable, and durable measurement solutions. The EJX120A is engineered to meet these exacting standards, offering superior accuracy and long-term stability to optimize your process control and efficiency.
The YOKOGAWA EJX120A is a cornerstone for precise flow, level, and pressure measurement. Its advanced design incorporates several key features that set it apart:
- Superior Accuracy and Stability: The transmitter boasts a high accuracy of ±0.04% of span, ensuring reliable data for critical control loops. Its exceptional long-term stability minimizes drift, reducing the need for frequent recalibration and maintenance.
- Robust Sensor Technology: At its heart is a single-crystal silicon resonant sensor, known for its high resistance to vibration, shock, and temperature fluctuations, ensuring consistent performance in harsh industrial settings.
- Advanced Communication: Featuring a standard 4-20 mA HART output with digital communication capabilities, the EJX120A integrates seamlessly into existing control systems and allows for remote configuration and diagnostics.
- Durable Construction: Constructed with high-grade materials like Hastelloy C-276 for wetted parts, it offers excellent corrosion resistance, making it suitable for a wide range of aggressive media.
- User-Friendly Features: An optional integral LCD indicator provides local readout of process variables and diagnostic information, simplifying commissioning and maintenance tasks.
The technical specifications of the EJX120A are detailed below:
| Parameter | Specification |
|---|---|
| Model | EJX120A |
| Measurement Type | Differential Pressure |
| Accuracy | ±0.04% of span |
| Output Signal | 4-20 mA DC, two-wire, with HART Protocol |
| Power Supply | 10.5 to 42 V DC (standard) |
| Pressure Range | Available in various spans (e.g., 0-1 kPa to 0-14 MPa), customizable upon request |
| Process Connection | 1/2" NPT female (standard), other connections available |
| Wetted Parts Material | Hastelloy C-276, 316L Stainless Steel |
| Electrical Connection | 1/2" NPT conduit entry |
| Ambient Temperature | -40 to 85 °C (-40 to 185 °F) |
| Display | Optional LCD indicator with local parameter adjustment |
Choosing the YOKOGAWA EJX120A provides tangible benefits for your operation. Its high accuracy translates into improved process efficiency and product quality. The robust design leads to reduced downtime and lower total cost of ownership. Easy integration and remote diagnostics capability simplify maintenance and enhance operational flexibility. Furthermore, its compatibility with a wide range of fluids and gases makes it a versatile solution for diverse applications including oil & gas, chemical processing, power generation, and water treatment.
Backed by Rossonix's commitment to quality and global supply chain expertise—evidenced by our ISO9001 certified operations and annual export value in the multi-million dollar range—the YOKOGAWA EJX120A is more than just an instrument; it's a reliable investment. Our established overseas offices and extensive logistics network, shipping from key ports like Shenzhen and Hong Kong, ensure timely delivery and professional support. For a differential pressure transmitter that combines YOKOGAWA's technological leadership with our dependable service, contact us today to discuss your specific requirements and experience the difference precision and reliability can make in your process.
Frequently Asked Questions (FAQ)
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Q: What is the primary application of the EJX120A transmitter?
A: The EJX120A is primarily used for measuring differential pressure, which is crucial for applications like flow measurement (using orifice plates), liquid level measurement in tanks, and filter monitoring across industries such as oil & gas, chemicals, and power. -
Q: Can this transmitter be used with corrosive media?
A: Yes. With wetted parts available in materials like Hastelloy C-276, which offers high corrosion resistance, the EJX120A is suitable for use with a variety of aggressive process fluids. The specific material selection depends on the media; please consult with us for recommendations. -
Q: Does it require a separate power supply, and what are the requirements?
A: It is a two-wire device powered by the same 4-20 mA loop. The standard power supply range is 10.5 to 42 V DC, which is compatible with most control system power configurations. -
Q: Is the HART communication protocol easy to integrate with existing Distributed Control Systems (DCS)?
A: Absolutely. The 4-20 mA HART output is an industry-standard protocol. It allows for digital communication over the analog signal wires, enabling easy integration, remote configuration, and asset management with most modern DCS and PLC systems without needing additional wiring. -
Q: What is the lead time for delivery, and do you offer customization?
A: As a trading company with established supply channels, we typically maintain stock for common models and ranges. Lead times can vary. We also facilitate customization requests such as specific pressure ranges, process connections, or special materials. Please contact us with your specifications for an accurate quote and timeline. -
Q: How do you ensure the quality and authenticity of the YOKOGAWA product?
A: We source our YOKOGAWA instruments directly from authorized channels. Our company operates under an ISO9001 quality management system, and we provide all necessary documentation to verify the product's origin and specifications. -
Q: What kind of after-sales support do you provide?
A: We offer comprehensive support including technical documentation, assistance with installation and commissioning queries, and guidance on troubleshooting. For warranty and repair services, we coordinate with the relevant service channels. -
Q: Can the transmitter be calibrated on-site, and how often should it be calibrated?
A: Yes, the EJX120A can be calibrated on-site using a HART communicator or compatible software. The calibration interval depends on the application's criticality and operating conditions. Thanks to its high stability, it often requires less frequent calibration compared to other transmitters, but we recommend following your plant's maintenance schedule.
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