Yokogawa EJA / EJX Series

Features:

✅ Long-Term Stability: ±0.1% of URL over 10 years
✅ Fast Response Time: 90 ms (EJX) for faster process control
✅ Multi-Protocol Support: HART, FOUNDATION Fieldbus, and BRAIN
✅ Wide Measuring Ranges: Suitable for low to high-pressure applications
✅ Explosion-Proof and Intrinsically Safe Options
✅ Self-Diagnostics and Digital Communication
✅ Compact, Lightweight, and Modular Design

Yokogawa’s high-end performance line of DPharp transmitters is called the EJX-A series. It was released in 2004 and provides the stability and performance required for demanding applications. The EJX-A series is the thoroughbred of the DPharp family of pressure transmitters due to its performance.

Brand	Yokogawa

Description
Technical Data
Application
Downloads
Supply & Shipping Deatils

Description

The Yokogawa EJA and EJX Series are high-performance pressure transmitters designed for reliable and accurate measurement of differential, gauge, and absolute pressure. Engineered to meet the demands of modern process industries, these transmitters deliver excellent long-term stability, fast response, and high precision under a wide range of operating conditions.

The EJA Series is known for its proven reliability and accuracy in essential pressure measurement applications. The EJX Series represents Yokogawa’s premium offering, providing enhanced accuracy, ultra-fast response, and advanced diagnostics for critical control applications.

Technical Data

Yokogawa – EJA / EJX Series

🔹 Pressure Transmitters – EJA / EJX Series ▾

Parameter EJA Series EJX Series

Accuracy ±0.065% of span ±0.04% of span

Stability ±0.1% of URL (10 years) ±0.1% of URL (10 years)

Response Time 150 ms 90 ms

Output 4–20 mA DC (HART) 4–20 mA DC (HART, FF)

Measuring Range Up to 25 MPa Up to 25 MPa

Rangeability (Turndown) Up to 100:1 Up to 200:1

Power Supply 10.5 – 42 V DC 10.5 – 42 V DC

Enclosure Rating IP66 / IP67, NEMA 4X IP66 / IP67, NEMA 4X

Process Connections 1/4” or 1/2” NPT, DIN, Flanged

Explosion Protection Ex d, Ex ia, Ex tD Ex d, Ex ia, Ex tD

Application

Differential pressure measurement in pipelines and filters
Tank level measurement in pressurized vessels
Flow measurement when paired with primary elements (orifice plate, Venturi, etc.)
Steam, gas, and liquid pressure control in energy and utility plants
Pressure monitoring in chemical reactors and offshore platforms
Environmental monitoring in wastewater treatment systems