Yokogawa Differential Pressure Transmitter EJX110S

Yokogawa Differential Pressure Transmitter EJX110S Specification

Voltage
10.5 to 42 VDC

Features
Multivariable Measurement, High Accuracy, Long-term Stability

Mounting Type
2-inch Pipe or Panel Mount

Noise Level
< 30 dB(A)

Working Temperature
-40C to 85C

Inlet/Outlet
1/4 NPT (female)

Control System
HART, BRAIN, or FOUNDATION Fieldbus

Theory
Capacitive

Material
316L Stainless Steel Wetted Parts

Structure
Compact, Smart Transmitter

Power
Powered by Loop

Standard
IEC61508, ATEX, FM, CSA, SIL 2/3

Pressure
Maximum Working Pressure 32 MPa

Usage
Industrial Pressure Measurement

Application
Differential Pressure Measurement

Seals Type
Varies (Buna-N, PTFE, Viton, etc.)

Stability
0.1% of URL per 10 years

Turn Down Ratio
Up to 100:1

Accuracy
0.04% of span

Measuring Range
Minimum: 0 to 1 kPa; Maximum: 0 to 10 MPa

Output Signal
4 to 20 mA DC, digital protocol (HART, BRAIN, FOUNDATION Fieldbus)

Process Connections
Flange, Threaded, Manifold Mount

Overpressure Limit
41 MPa

Weight
Approx. 3.9 kg (varies by configuration)

Display
LCD Digital Indicator (optional)

Damping Time Constant
0.1 to 60 seconds (adjustable)

Ingress Protection
IP67 / NEMA 4X

Response Time
90 ms

Yokogawa Differential Pressure Transmitter EJX110S Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
2 Week

About Yokogawa Differential Pressure Transmitter EJX110S

Built on a Legacy of Reliability

Discover how the EJX S Series can help you maximize process reliability, optimize plant performance, and secure long-term operational excellence.

Integrated Digital Sensing
Smart Sensing & Connectivity
Engineering Integrity
Lifecycle Support for a Sustainable Future
Anatomy of a Pressure Transmitter

Integrated Digital Sensing

The EJX S series pressure transmitter is built on Yokogawas proven digital silicon resonant sensor technology, DPharp.
Dual vibrating resonators (active sensor) measure differential and static pressure directly and digitally, offering superior accuracy, repeatability, and long-term stability over traditional analog sensors.
The direct digital output eliminates analog-to-digital conversion errors and enables dynamic compensation for temperature and static pressure effects in real time, ensuring reliable performance under all operating conditions.

Smart Sensing & Connectivity

Visual Interface

The all-new graphic display provides clearer process data and diagnostic visibility, enabling operators to make accurate decisions while reducing the risk of operational errors.

Process Display

Enhanced visibility and faster interpretation of process data, ensuring operators can access critical information at a glance.

Multi Value Display

Enables clear visualization of multi-variable data for faster, more accurate decision-making.

Color-coded Alerts

When any diagnostic condition occurs, the transmitter automatically alternates between the normal process value screen and the alarm screen ensuring immediate operator awareness.
* The image shows an example of alert display when NE107 is enabled.

Multilingual Interface

The Graphical Display supports full multilingual menus and alarm text for global usability.

One Transmitter, Many Application

Reduced CAPEX and OPEX
With multi-sensing capability, installation is simplied, hardware requirements are reduced, and lifecycle costs are lowered.
Silicon resonant sensor has the unique ability to simultaneously measure static pressure and differential pressure. Additionally, sensor and housing temperatures are also measured.
Multi-sensing platform enables real-time dynamic compensation for unmatched precision and forms the basis for implementation of advanced diagnostics.

Predictive Diagnostics

Advanced diagnosis becomes the standard spec. It will contribute plant availability by enabling predictive maintenance.

ILBD (Impulse Line Blockage Detection)
The blockage of high, low or both impulse lines can be detected by monitoring the uctuation change of pressure.

Heat Trace Diagnosis
Flange Temperature can be calculated with the implemented temperature sensors. It provides diagnostics of heat trace or enclosure heater failures.

Fast link, Real time insight

Supporting HART and PROFINET with Ethernet APL:

PROFINET with Ethernet APL
- Real-time Communication: High-speed (10 Mbps) and low-latency cyclic communication
- Seamless & Flexible System: Utilizes existing Fieldbus communication cable with APL switch
- Easy & Reliable Operation: Supports topology detection and network redundancy for enhanced reliability

Engineering Integrity

Electric Noise Resistance

High resistance to electrical noise ensures stable measurements in electrically harsh environments, reducing signal interference, false alarms, and unplanned maintenance throughout the asset lifecycle.

EMC Conformity Standards: EN61326-1 Class A, Table2 EN61326-2-3
IEC 61326 species requirements for immunity and emissions regarding electro-magnetic compatibility (EMC) for electrical equipment.

Noise Resistance: EN61326, NAMUR NE21
NE21 is a guideline made by NAMUR of Germany.
It focuses specically on process measurement equipment and EMC requirements. This is especially required by EU country.

High-Performance Differential Pressure Measurement

The EJX110S Differential Pressure Transmitter is designed for industrial applications requiring high accuracy and reliability. Its capacitive technology ensures measurement precision, while a 90 ms response time allows for effective real-time process monitoring. The transmitter meets international safety and performance standards, making it an ideal solution for critical processes.

Versatile Communication and Easy Integration

Supporting widely used digital protocols like HART, BRAIN, and FOUNDATION Fieldbus, the EJX110S integrates effortlessly with modern control systems. Its LCD digital indicator (optional) provides clear, local readouts. The transmitter can be mounted on 2-inch pipes or panels, fitting varied installation needs across industries.

Rugged Construction for Demanding Environments

With 316L stainless steel wetted parts, IP67/NEMA 4X protection, and a compact, robust design, the EJX110S is built to withstand harsh industrial conditions. It operates in broad temperature ranges, handles high working pressures, and features advanced sealing options to meet your specific process requirements.

FAQ's of Yokogawa Differential Pressure Transmitter EJX110S:

Q: How does the Yokogawa EJX110S transmitter ensure high measurement accuracy?

A: The EJX110S uses advanced capacitive sensing technology and is meticulously engineered to deliver up to 0.04% of span accuracy. Additionally, its smart transmitter design maintains long-term stability-within 0.1% of URL over 10 years-reducing recalibration needs and supporting critical process control demands.

Q: What are the main process connections available for the EJX110S transmitter?

A: The EJX110S supports a variety of process connections, including flange, threaded, and manifold mount options, with standard 1/4 NPT (female) inlets and outlets. This flexibility ensures the transmitter fits seamlessly in most industrial setups.

Q: When should the optional LCD digital indicator be selected?

A: Choosing the optional LCD digital indicator is recommended when local display of measured values is needed. This feature is especially useful for on-site monitoring and quick checks during routine maintenance or calibration.

Q: Where can the EJX110S transmitter be installed, and what mounting options are available?

A: The transmitter can be installed on a 2-inch pipe or mounted to a panel, offering versatility in placement. Its robust construction and ingress protection (IP67/NEMA 4X) allow installation in both indoor and outdoor or aggressive environments.

Q: What is the benefit of the EJX110S's wide turn down ratio?

A: With a turn down ratio of up to 100:1, the transmitter can accurately measure a broad range of process pressures with a single device, increasing operational flexibility and reducing the need for multiple transmitters.

Q: How does the transmitter integrate with industrial control systems?

A: The EJX110S communicates via HART, BRAIN, or FOUNDATION Fieldbus digital protocols, ensuring compatibility with a wide range of Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), streamlining data acquisition and remote diagnostics.

Q: What makes the EJX110S suitable for harsh industrial applications?

A: Built with 316L stainless steel wetted parts, designed for operation from -40C to 85C, rated IP67/NEMA 4X, and compliant with global standards (IEC61508, ATEX, FM, CSA, SIL 2/3), the EJX110S excels in rigorous industrial conditions, assuring long-term reliability and safety.