YOKOGAWA F9920BN

YOKOGAWA F9920BN

The YOKOGAWA F9920BN is a genuine OEM display module designed for Yokogawa EJA and EJX series pressure/differential pressure transmitters. As a critical humanmachine interface (HMI) component, it delivers clear, reliable data visualization for process monitoring. Engineered for industrial harsh environments, it ensures stable operation and seamless integration with original transmitters, making it ideal for oil and gas, petrochemical, power, and water treatment applications.

Model Code Explanation: F9920BN

• F9920: Base part number for Yokogawa’s standard transmitter display assembly series
• B: Display type code, indicating a backlit LCDfor lowlight visibility
• N: Interface variant, representing digital communicationcompatibility with EJA/EJX transmitters

Key Technical Specifications

• Display Type: Backlit monochrome LCD
• Resolution: 128 × 64 pixels, 4line data display
• Operating Voltage: 3.2 V DC (from transmitter internal power)
• Temperature Range: −40°C to +85°C (operating); −50°C to +90°C (storage)
• Communication: Digital serial link (proprietary Yokogawa protocol)
• Enclosure Rating: IP65 (dusttight, splashproof)
• Material: Highimpact ABS housing, scratchresistant polycarbonate window
• Dimensions: 62 mm (diameter) × 12 mm (depth)
• Weight: 50 g (approximate)
• Certifications: CE, RoHS, IEC 610101 (industrial safety)
• Lifespan: 100,000+ hours (backlight MTBF)

Core Features and Benefits

The YOKOGAWA F9920BN offers exceptional durability and usability. Its backlit LCD ensures readability in dark or outdoor installations, while the IP65 rating protects against dust and moisture. The module’s plugandplay design enables quick replacement without complex configuration, reducing maintenance downtime. As a genuine Yokogawa part, it maintains full compatibility with EJA/EJX transmitters, preserving measurement accuracy and reliability.

Applications and Compatibility

This display module is exclusively compatible with Yokogawa EJA110, EJA530, EJX110, EJX210, and EJX530 transmitters. It serves as a direct replacement for aged or faulty displays in industrial process plants. Typical applications include pressure monitoring in pipelines, tank level measurement, and differential pressure flow metering. For sites requiring local data visibility without external power, the F9920BN is a costeffective, highreliability solution.