Yokogawa EJA110E Differential Pressure Transmitter

The Yokogawa EJA110E Differential Pressure Transmitter is one of the most trusted instruments in the world of process control and measurement. With a reputation for precision and durability, it offers reliable performance in various industrial environments. In this article, we will explore the key features, advantages, applications, installation process, and maintenance guidelines of the EJA110E Differential Pressure Transmitter.For more information, welcome to visitYokogawa EJA110E Differential Pressure Transmitterhttps://www.gold-sensor.com/product/yokogawa-eja110e-differential-pressure-transmitter/ We areaprofessional enterprise platform in the field, welcome your attention and understanding!


The Yokogawa EJA110E is a digital differential pressure transmitter designed to measure pressure differences between two points in a system. This transmitter plays a critical role in a wide range of applications such as monitoring liquid levels, flow measurement, and detecting pressure changes in industrial processes. It offers a high level of accuracy, stability, and flexibility in different operational environments.

Equipped with advanced digital communication technology and Yokogawa’s renowned technology, the EJA110E ensures precise measurement and offers a host of features that are crucial for modern industrial processes. Its robust design makes it suitable for use in demanding conditions, from refineries to power plants.


The Yokogawa EJA110E Differential Pressure Transmitter offers several key features that make it a top choice in industrial applications:

- **High Accuracy**: The EJA110E provides high-precision measurements with an accuracy of ±0.04% of the span, ensuring reliable performance even in complex processes where precision is crucial.

- **Wide Measuring Range**: The device can measure pressures ranging from 0.04 kPa to 7 MPa, making it suitable for both low and high-pressure applications.

- **Digital Communication**: The transmitter supports advanced communication protocols such as HART, FOUNDATION Fieldbus, and PROFIBUS, allowing for seamless integration into various control systems.

- **Damping Function**: The EJA110E features a damping function that helps reduce noise and fluctuations in the signal, improving the quality of the data collected.

- **User-Friendly Interface**: It features a simple, intuitive display and configuration interface that allows for easy setup, monitoring, and troubleshooting.

- **Enhanced Durability**: Built with high-quality materials, the transmitter can withstand harsh environments, such as those with extreme temperatures or corrosive conditions.

- **Digital Signal Processing (DSP)**: Utilizing DSP technology, the EJA110E offers enhanced signal processing and noise reduction, ensuring high-quality output in dynamic and noisy environments.


The Yokogawa EJA110E is versatile and can be used in a wide range of applications across different industries. Some of the primary areas where this transmitter is commonly used include:

- **Level Measurement**: The EJA110E is widely used in tanks and vessels for level measurement. By measuring the pressure difference between the bottom and top of a tank, it can accurately determine the liquid level, even in turbulent or fluctuating conditions.

- **Flow Measurement**: The device is also commonly employed in flow measurement applications. In this scenario, it measures the pressure difference across an orifice plate, venturi tube, or flow element to determine the flow rate of liquids or gases.

- **Filter Monitoring**: In industries where filtration is essential, such as water treatment plants or chemical processing, the EJA110E can monitor pressure differences across filters to detect clogging or performance issues.

- **Pressure Drop Monitoring**: The transmitter can also be used to monitor pressure drops in systems, providing early detection of potential blockages or malfunctions in pipelines, reactors, or heat exchangers.

- **Energy Management**: By accurately measuring pressure differentials, the EJA110E can contribute to energy management strategies in systems that rely on pressure differences, such as HVAC or steam systems.


Installing and configuring the Yokogawa EJA110E Differential Pressure Transmitter is straightforward, but there are key considerations to ensure optimal performance:

- **Mounting**: The transmitter can be mounted in various orientations depending on the application and installation space. It is typically mounted on a pipe or tank, with the pressure taps connected to the process.

- **Wiring**: The EJA110E supports various wiring configurations depending on the communication protocol being used. Ensure the correct connections for HART, FOUNDATION Fieldbus, or PROFIBUS are made.

- **Zeroing**: After installation, it is essential to perform a zero calibration to ensure the transmitter reads accurately. This process involves adjusting the transmitter’s output to match a known reference value, ensuring that it is properly calibrated for the specific application.

- **Configuration**: Configuring the transmitter involves setting up the range, damping, and communication parameters. These can be done through the user interface or remotely via a compatible device using the communication protocols supported.


Regular maintenance is essential to ensure the Yokogawa EJA110E Differential Pressure Transmitter continues to perform optimally. The key maintenance steps include:

- **Routine Calibration**: It is recommended to periodically calibrate the transmitter to maintain measurement accuracy. This can be done using a handheld calibrator or remote configuration tools.

- **Inspection for Damage**: Regularly inspect the transmitter and its components for signs of physical damage or wear. Ensure that the pressure ports are clean and free from debris that could affect the readings.

- **Checking Communication**: If the transmitter is integrated into a digital communication network, ensure that the communication signals are stable and accurate. Perform diagnostics to check for signal interference or malfunctions.

- **Software Updates**: Keeping the transmitter’s software updated is critical for maintaining its performance and compatibility with other equipment. Yokogawa regularly releases firmware updates that enhance functionality and fix bugs.

- **Troubleshooting**: If the transmitter is malfunctioning, common issues include incorrect readings or loss of communication. In such cases, check the wiring, verify the settings, and inspect the sensor for clogs or damage. Often, a simple reset or recalibration can resolve the issue.


The Yokogawa EJA110E Differential Pressure Transmitter is a versatile, reliable, and highly accurate instrument used in a wide variety of industrial applications. Its advanced features, such as high accuracy, digital communication options, and durability, make it an excellent choice for measuring pressure differences in harsh environments. With proper installation, configuration, and maintenance, the EJA110E can significantly contribute to the efficiency and reliability of your industrial processes. Whether used for level measurement, flow monitoring, or filter pressure monitoring, this transmitter remains a trusted tool in process control systems worldwide.