Yokogawa EJA120A Differential Pressure Transmitter

The Yokogawa EJA120A is a high-performance differential pressure transmitter, specifically engineered for a wide range of industrial applications. This advanced 4-wire transmitter measures differential pressure within the range of -100 kPa to +100 kPa and offers an accuracy of 0.2% (with 0.1% accuracy available using the /HAC option). Designed for reliability and stability, the EJA120A provides 0.1% stability per 10 years, ensuring long-term, consistent performance.

Key Features of the Yokogawa EJA120A

Precision Measurement: The EJA120A provides exceptional accuracy, with a high-performance range for precise differential pressure readings.
Enhanced Stability: With a long-term stability of 0.1% per 10 years, it ensures that your systems perform consistently.
Flexible Output: It supports 4-20 mA DC and 1-5V DC outputs, offering flexibility for integration into different industrial systems.
Communication Protocols: The transmitter supports HART, FOUNDATION Fieldbus™, and PROFIBUS PA protocols, enabling easy integration and communication.
Wide Operating Range: This model operates effectively in extreme environments, with an operating temperature range from -40°C to +80°C.

Technical Specifications

Feature	Specification
Measuring Range	-100 kPa to +100 kPa
Accuracy	0.2% (0.1% with /HAC option)
Stability	0.1% per 10 years
Output	4-20 mA DC, 1-5V DC
Communication Protocol	HART, FOUNDATION Fieldbus™, PROFIBUS PA
Power Supply	18-30 VDC
Operating Temperature Range	-40°C to +80°C
Storage Temperature Range	-40°C to +85°C

Why Choose the Yokogawa EJA120A?

The Yokogawa EJA120A offers multiple advantages for industrial operations:

High Accuracy: It ensures precise measurement of differential pressure with a 0.2% accuracy (or 0.1% with the /HAC option).
Long-Term Stability: The EJA120A maintains excellent performance over time with 0.1% stability per 10 years, ideal for long-term applications.
Flexible Outputs and Protocols: The device offers multiple output options and supports leading communication protocols such as HART, FOUNDATION Fieldbus™, and PROFIBUS PA.
Temperature Resilience: It operates effectively across a wide temperature range, from -40°C to +80°C, making it versatile for various industrial settings.

Applications of the Yokogawa EJA120A

The Yokogawa EJA120A is designed for use in industries that require highly accurate and stable pressure measurements:

Oil & Gas: Essential for pressure monitoring in pipelines, compressors, and separators.
Chemical Processing: Helps control fluid dynamics and maintain system safety in complex chemical processes.
Power Generation: Utilized for accurate pressure measurement in turbines, boilers, and reactors.
Water Treatment: Ensures precise pressure readings in filtration and distribution systems.