Yokogawa EJA430A Style-S1

Description:

The Yokogawa EJA430A Style S1 is a traditional-mount gauge pressure transmitter from the DPharp series, designed for accurate measurement of liquids, gases, and steam. It uses a resonant silicon sensor to deliver high accuracy, long-term stability, and reliable performance in industrial environments. The EJA430A is part of Yokogawa’s widely deployed EJA-A platform, known for durability and consistent measurement performance.

Applications:

The Yokogawa EJA430A transmitter is used in process control systems for measuring gauge pressure in liquids, gases, and steam. The Yokogawa transmitter is commonly installed in pipelines, compressors, pumps, and process systems for pressure monitoring and control in industries such as oil & gas, manufacturing, power generation, and utilities.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: EJA430A (Style S1)
• Product Type: Gauge Pressure Transmitter
• Technology: DPharp resonant silicon sensor
• Output Signal: 4–20 mA DC with digital communication (HART/BRAIN/FF options)
• Measurement Type: Gauge pressure
• Accuracy: ~±0.065% of span
• Stability: ~±0.1% over 5 years
• Maximum Working Pressure: up to ~3000 psi class
• Power Supply: ~10.5–42 VDC loop-powered
• Mounting: Traditional (pipe/wall bracket, Style S1 configuration)

Common Replacements:

• Yokogawa EJA430E (newer generation)
• Yokogawa EJX430A (higher accuracy upgrade)
• Emerson Rosemount 3051 gauge pressure transmitter