Overview
The Yokogawa EJA110A EMS4B-92NA/FF1/D1 is a traditional-mount differential pressure transmitter engineered for reliable industrial measurement applications. This model features Yokogawa’s proven DPharp digital sensor technology, delivering accurate pressure readings across diverse process conditions. The EJA110A is designed for direct mounting with flush-flanged diaphragm seal configuration (FF1), making it suitable for applications requiring direct process coupling.
Key Features
- DPharp Active Sensor: Advanced digital sensor technology for enhanced measurement stability and diagnostics
- 4-20 mA DC Output: Industry-standard analog signal compatible with legacy and modern control systems
- Rugged Construction: Durable design for harsh industrial environments and extended service life
- Remote Setup & Monitoring: HART® 275, BRAIN™ terminal, and CENTUM CS™/XL™ communication capability
- Multiple Range Capability: Configured for standard differential pressure measurement across typical industrial ranges
- Flush-Flanged Design: Direct mounting configuration (FF1) with integral process isolation
Technical Specifications
- Model: EJA110A-EMS4B-92NA/FF1/D1
- Transmitter Type: Traditional-mount Differential Pressure Transmitter
- Sensor Technology: DPharp Digital Sensor
- Output Signal: 4–20 mA DC
- Mounting Style: Direct Mount (Flush-Flanged Diaphragm Seal)
- Flange Type: FF1 (Flush-Flanged)
- Connector Type: D1 (Standard)
- Communication Protocol: HART® 275, BRAIN™ Terminal compatible
- Diaphragm Material: Stainless steel (standard configuration)
- Country of Origin: Japan
- Status: Discontinued product; available as used/refurbished surplus
Typical Applications
- Differential flow measurement in piping systems
- Liquid level measurement via pressure differential
- Process fluid density monitoring
- Pressure difference monitoring across filters and process equipment
- Legacy control system upgrades and replacement
- Industrial steam and gas flow applications
Compatibility & Replacements
Compatible With
- Yokogawa CENTUM CSâ„¢ and CENTUM XLâ„¢ control systems
- BRAINâ„¢ terminal for local setup and diagnostics
- HART® 275 Protocol for digital communication
- Industry-standard 4-20 mA analog control loops
- Distributed control systems supporting standard analog inputs
Replaces / Drop-In Replacement For
- EJA110A series legacy models with matching specifications
- Other traditional-mount DP transmitters with equivalent range and output
- Note: Verify mechanical flange compatibility and process connection sizing before installation
Works With
- HART® 275 host communicators and multi-drops
- Yokogawa BRAINâ„¢ intelligent terminal devices
- CENTUM VP, CS, and XL process control platforms
- Standard 4-20 mA analog input modules in PLC and DCS systems
- Pressure gauge snubbers and manifold block assemblies
