The EJX-A series is Yokogawa's premium performance line of DPharp transmitters. Released in 2004, it offers the performance and stability needed in demanding applications. The EJX-A series performance makes it a thoroughbred of the DPharp family of pressure transmitters.
The EJX510A is the In-Line mount Absolute Pressure Transmitter in the series.
EJX510A features include:
- ± 0.04% Accuracy
- ± 0.2% per 15 years Stability
- 90 ms Response Time
- 10,800 psig Maximum Over Pressure
- Exida and TUV SIL 2/3 Certified
- Local Parameter Setting (LPS)
Explore how the EJX510A can help you Boost your bottom line.
About OpreX
OpreX is the comprehensive brand for Yokogawa’s industrial automation (IA) and control business and stands for excellence in the related technology and solutions. It consists of categories and families under each category. This product belongs to the OpreX Field Instruments family that is aligned under the OpreX Measurement category.
Details
Plants run better with Yokogawa differential pressure transmitters.
At it's heart, Yokogawa's differential pressure transmitter with DPharp digital sensor offers the performance and device intelligence needed to get greater insight into your process.
Digital Performance
Yokogawa's DPharp digital sensor offers twice the performance and stability of the competitor's analog sensors. The DPharp uses the latest in IC Chip-style design and manufacturing technology. Analog sensors are based on older design technology. Although analog sensors are good, the modern DPharp sensor out performs them. A Yokogawa transmitter with DPharp digital sensor will give you the consistent, reliable, accurate measurement you need.
Poor Performance = Lost Money
Signal Characterization
Signal characterization is a versatile function available on all Yokogawa pressure transmitters. The function is used to compensate the analog 4 to 20 mA output signal for non-linear applications. Such applications include tank strapping or flow measurements; but, it can be used in any application where the relationship between the pressure input and the desired output signal are known. This feature can use up to 10-points.
Greater Flexibility = Found Money
Local Indicator
All of the process variable's measured by Yokogawa's transmitter can be displayed on the easy to read local indicator. The indicator can display any of the variables measured (DP, SP, Capsule temperature); alarm codes with short text; and a sweeping bar graph to give a graphical representation of the process. Fully programmable, the indicator is customizable for your needs. Unlike competitor's transmitters, the indicator is not driven off the 4 to 20 mA analog signal, but, exist on a separate circuit. This allow the display to operate independently from the output signal, so it can indicate information that maybe more useful at the transmitter location.
More information = Found Money
Standard Diagnostics
Yokogawa's transmitter has 40 self-diagnostic checks to ensure that everything is running smoothly within the transmitter. But, all transmitters on the market have a level self-diagnostic checks. However, Yokogawa has two that are not offered by competitors. First, the transmitter features a patented Back-check Technology that reverse checks all calculations in real-time. Second, the DPharp sensor is an active sensor. This means that the sensor is constantly supplying a signal even when the process has not changed. If the signal is lost from the sensor, the transmitter knows there is an issue. Competitor's analog sensors are passive. They do not supply a continual signal, so, is the sensor still working when there is no signal?
Good Diagnostics = Less Surprises
Advanced Diagnostics
Reduce unscheduled maintenance by 60%.
Predictive impulse line blocking and stream tracing diagnostics lets you see problems before they happen.
Rugged Construction
Ruggedly constructed differential pressure transmitter can help your plant reduce failures. Yokogawa pressure transmitters have construction features that are designed to allow it to outlive your plant.
Note: For conformance to NACE MR0175/MR0103, please refer to General Specifications of each model.
Ruggedness = Reliability
Independent Verification
The Yokogawa pressure transmitter series' performance and reliability has been verified by independent third parties from around the world.
Functional Safety
All Yokogawa pressure transmitters are designed and certified to IEC61508:2010 Parts 1 through 7 and IEC61511:2004 Parts 1 through 3. They are certified for single transmitter use in SIL 2 safety applications and dual transmitter use in SIL 3 safety applications with no special option required. With Yokogawa's transmitters, no longer will you have to maintain two seperate inventories - one for production applications and one for safety applications.
Functional Safety = Reliability
Active Sensor Technology
The DPharp sensor is an active sensor. This means that the sensor is constantly supplying a signal even when the process has not changed. If the signal is lost from the sensor, the transmitter knows there is an issue. Competitor's analog sensors are passive. They do not supply a continual signal, so is the sensor still working when there is no signal? An active sensor is inherently safe.
Inherently Safe = Reliability
Patented Self-check System
Yokogawa's pressure transmitters as a patented real-time reverse check of the signal to ensure all calculations are preformed correctly. This system ensures that the transmitter is converting the signal from the sensor into the analog signal and digital protocol correctly.
Inherently Safe = Reliability
Yokogawa's DPharp pressure transmitters offer long-term stability and diagnostics to make your maintenance routine easy.
Extended Calibration Intervals
Yokogawa's pressure transmitters have a long-term stability under all operational conditions. As you gain experience with these transmitters, you will be able to extend the time between calibration checks.
Quicker Maintenance = Less Downtime
Multiple Communication Options
Yokogawa offers several platforms to communicate to your transmitter.
FieldMate is a PC based communication platform that can communicate with your transmitter and manage your entire instrument inventory.
FieldMate HHC is a traditional hand-held platform that allows you to take that information into the field.
Forgot your HHC? No problem. The LPS feature on the transmitter allows you to update 9 parameters without the use of an HHC.
Quicker Maintenance = Less Downtime
Simple Troubleshooting
When your transmitter is 'alarming', you do not have the time to look for the manuals and go through them trying to figure out what is wrong; you need to get the transmitter up and operating again as quick as possible. Yokogawa's pressure transmitters have a simple description of the error code available on the local display. This simple description may help you correct the problem and get back to making product quickly. If you need more help, the manual does have a full description of all codes and suggest corrective actions.
Quicker Maintenance = Less Downtime
EJX510A Overview
Refer to the General Specification sheet located under the 'Downloads' tab for detailed specifications.
| Measurement Types | |
|---|---|
| Primary Variable | Absolute Pressure |
| Reference Accuracy | |
| Primary Variable | ±0.04% of Span |
| Stability (All Normal Operating Conditions) | |
| Primary Variable | ±0.2% of URL per 15 years |
| Response Time | |
| Primary Variable | 90ms |
| Rangeability | |
| Primary Variable | A Capsule: 25:1 B, C and D capsules: 100:1 |
| Burst Pressure (Absolute) | |
| A, B, or C Capsule | 4,350 psi (30 MPa) |
| D Capsule | 19,100 psi (132 MPa) |
| Specification Conformance | |
| EJX-A Series | ±3σ |
EJX510A Capsule Ranges
Graphics not to scale
Valve Manifolds
Yokogawa offers a range of valve manifolds and accessories for combination with the DPharp EJX and EJA series transmitters in partnership with AS Schneider-Germany and WIKA/Micro precision-India.
Communicators
Yokogawa manufactures a communicator for your needs. Yokogawa communicators are available for BRAIN Protocol, HART Protocol, FOUNDATION Fieldbus, PROFIBUS PA, ISA100, or Modbus. All out communicators are compatible with Yokogawa products as well as other products on the market.
Remote Indicators
Yokogawa offers a range of loop powered and FOUNDATION Fieldbus remote indicators that can be used to locally monitor data from field instruments installed in difficult to access locations.
Pressure Calibrators
The Yokogawa CA700 Portable Pressure Calibrator uses the same DPharp sensor technology as our EJA-E and EJX-A series pressure transmitters. It provides an accurate and efficient calibration and verification tool for any pressure transmitter or other type of field device.
Communication Convertors
Yokogawa offers communication converters to convert secondary HART protocol variables to a 4 to 20 mA analog signal or all the HART variables to MODBUS RTU.
Important Notice
| Date | Remarks |
| 2024/12 | Important Notice for Safe Use of Products |
Resources
DP Level transmitter configuration can be very time consuming. Yokogawa DPharp EJA/EJX Pressure transmitters realize reduction in man hours by smart level setup feature.
Yokogawa DPharp EJA/EJX Pressure transmitters do not need frequent re-zeroing due to superior long term stability, it contributes to reduce maintenance time.
Downloads
Brochures
Instruction Manuals
- EJX and EJA-E Series Differential Pressure and Pressure Transmitters Installation Manual *See Manual Change No. 22-17E, 22-24E (7.2 MB)
- ManualChange22-17E (192 KB)
- EJX510A, EJX530A, EJX610A, EJX630A, EJA510E, EJA530E Absolute Pressure and Gauge Pressure Transmitter *See Manual Change No. 22-24E (4.8 MB)
- Manual Change No. 22-24E (186 KB)
- DPharp Fieldbus Communication Type (3.7 MB)
- DPharp HART 5/7 Communication Type (12.2 MB)
- DPharp BRAIN Communication Type (2.7 MB)
- DPharp PROFIBUS PA Communication Type (6.2 MB)
- EJX/EJA-E series NEPSI Certification[Option code: /NF2, /NF21, /NS21, /NS24 and /NS25] (720 KB)
- EJX/EJA-E Series UKEX Certification [Option code:/BF21,/BS21,/BU21,/BS26 and /BN26] (1.5 MB)
General Specifications
- EJX510A, EJX530A Absolute and Gauge Pressure Transmitters (1.7 MB)
- EJX Series HART 5/HART 7 Communication (2.5 MB)
- EJX Series FOUNDATION Fieldbus Communication (1.0 MB)
- EJX Series PROFIBUS PA Communication (1013 KB)
- EJX-A Series and EJA-E Series Explosion Protected Type and Marine Certificate Type (830 KB)
Technical Information
- Functional Safety Manual (730 KB)
- Functional Safety Manual exida Certification (436 KB)
2D/3D Configurator
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