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Yokogawa EJX110A-EHS5G-917DB/FF1/D1/X2/HC/A Pressure Transmitter

Yokogawa EJX110A-EHS5G-917DB/FF1/D1/X2/HC/A Pressure Transmitter

The Yokogawa EJX110A-EHS5G-917DB/FF1/D1/X2/HC/A is a premium-performance differential pressure transmitter from the DPharp EJX series. It is engineered for critical process control applications requiring high accuracy, stability, and intelligence, often utilized...

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SKU: EJX110A-EHS5G-917DB/FF1/D1/X2/HC/A
Proveedora: Yokogawa
tipo: Pressure Transmitter
Related Series:

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The Yokogawa EJX110A-EHS5G-917DB/FF1/D1/X2/HC/A is a premium-performance differential pressure transmitter from the DPharp EJX series. It is engineered for critical process control applications requiring high accuracy, stability, and intelligence, often utilized in differential pressure, liquid level, and flow measurement.

Model Suffix Code Breakdown

  • EJX110A: Base model for Differential Pressure Transmitter.
  • E: Output signal (4 to 20 mA DC with HART 7).
  • H: Measurement span (High/Medium range).
  • S: Wetted parts material (Stainless Steel 316L).
  • 5: Process connection (specific flange type/size).
  • G: Fill fluid (specific high-temperature/process-compatible fluid).
  • 917DB/FF1/D1/X2/HC/A: Configuration package denoting explosion protection (FM/ATEX/IECEx), local indicator, Hastelloy C wetted parts, and mounting hardware.

Hardware Specifications

Parameter Specification
Model EJX110A
Brand Yokogawa
Accuracy $\pm 0.025\%$ of span
Stability $\pm 0.1\%$ of URL for 15 years
Response Time 90 ms
Operating Temp -40 to 85 °C (ambient)
Power Supply 10.5 to 42 V DC
Protocol HART 7, FOUNDATION Fieldbus, Wireless

Sensing Technology

The EJX110A utilizes the advanced DPharp digital silicon resonant sensor. By measuring pressure directly as a digital frequency, the device achieves high repeatability and sensitivity while remaining inherently resistant to temperature-induced drift and static pressure effects.

Frequently Asked Questions

  • Q: Why choose the EJX110A over standard transmitters?
    • A: The EJX series is Yokogawa’s top-tier transmitter line, offering superior accuracy ($\pm 0.025\%$) and a remarkable 15-year stability guarantee, making it ideal for safety-critical and high-accuracy billing or process optimization tasks.
  • Q: What is the significance of the "HC" (Hastelloy C) designation?
    • A: The "HC" option signifies that the wetted parts are constructed from Hastelloy C-276, providing excellent resistance to aggressive, corrosive media compared to standard 316L stainless steel.

Field Installation Guidelines

  • Mounting: Mount the transmitter vertically. Ensure process connections are free of debris and that proper gaskets are utilized according to the process pressure rating.
  • Configuration: Utilize the local indicator or a HART handheld communicator to set the Zero and Span. Perform a multi-point calibration if the application requires extreme precision.
  • Grounding: Always connect the transmitter housing to the plant’s instrument earth ground. This is vital for the proper function of the sensor's internal EMI/RFI noise rejection circuitry.
  • Loop Integrity: Ensure the loop resistance matches the power supply capability (10.5–42 V DC) to prevent voltage drop issues during high-speed HART communication.