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Yokogawas EJA110E Boosts Efficiency in Industrial Automation

December 12, 2025

Imagine a factory operating with the precision of a finely tuned instrument, where every component functions flawlessly and every data point is reliably accurate. In reality, however, even minor discrepancies and potential risks can undermine production efficiency and profitability. The Yokogawa EJA110E differential pressure transmitter emerges as an intelligent solution to detect subtle variations and ensure stable operations.

Unparalleled Performance and Reliability

As the latest addition to Yokogawa's DPharp series pressure transmitters, the EJA-E series combines the rugged durability of the EJA-A series with the exceptional performance of the EJX-A series. The EJA110E, a traditional mount differential pressure transmitter, stands out with its remarkable capabilities:

  • High-precision measurement: Accuracy up to 0.055% (with optional 0.04%) ensures reliable data for decision-making.
  • Exceptional long-term stability: 0.1% stability over 10 years reduces maintenance and calibration frequency.
  • Rapid response: 90-millisecond response time enables real-time process control.
  • Safety certifications: Exida and TUV SIL 2/SIL3 certifications guarantee reliability in safety-critical applications.
  • High pressure resistance: Maximum working pressure of 2,300 psi (optional 3,600 psi) accommodates diverse operational demands.
  • Local parameter setting: LPS functionality simplifies on-site debugging and maintenance.

OpreX: Comprehensive Industrial Solutions

The EJA110E belongs to Yokogawa's OpreX Field Instruments series, part of the OpreX Measurement category. OpreX represents Yokogawa's integrated brand for industrial automation and control, offering advanced technologies to help clients achieve operational excellence.

Advanced Digital Sensor Technology

Yokogawa's differential pressure transmitters utilize DPharp digital sensors that outperform traditional analog sensors by delivering:

  • Simultaneous measurement of differential pressure (DP), static pressure (SP), and sensor temperature
  • Dynamic compensation for temperature and static pressure effects
  • Superior stability across all operating conditions
  • Resilience to overpressure events without requiring recalibration

Key Advantages of DPharp Technology

Feature Benefit
Multiple sensing capability Reduces capital expenditure by up to 20% through single-transmitter measurement of DP and SP
Signal characterization Compensates for nonlinear applications using up to 10-point adjustment
Local indicator Displays multiple process variables independently of output signals

Enhanced Diagnostics and Maintenance

The EJA110E incorporates comprehensive diagnostic features:

  • 40 self-diagnostic checks for continuous monitoring
  • Patented reverse-check technology for real-time verification
  • Predictive maintenance capabilities that reduce unplanned downtime by 60%
  • Extended calibration intervals due to exceptional long-term stability

Robust Design for Demanding Environments

Yokogawa's pressure transmitters feature:

  • Four-bolt pressure retention design
  • Teflon-coated 316L stainless steel flange gaskets
  • ANSI/ISA 12.27.01-certified dual sealing
  • Mechanical overpressure protection system

Technical Specifications

Measurement Type Specification
Primary Variable Differential Pressure (DP)
Secondary Variable Static Pressure (SP)
Reference Accuracy (Primary) ±0.055% of Span
Reference Accuracy (Secondary) ±0.5% of Span available
Response Time (Primary) 90 msec
Long-term Stability ±0.1% of URL per 10 years
Turndown Ratio 100:1