The Yokogawa EJA110E-JMS5G-917EJ/T12/D3/HC/Z is a high-performance differential pressure transmitter from the renowned EJA-E series, engineered for exceptional accuracy, stability, and reliability in industrial process control applications. Designed using Yokogawa’s DPharp digital sensor technology, this model is suitable for differential pressure measurement in a wide variety of demanding environments such as chemical processing, power plants, oil and gas, and water treatment facilities.

This specific configuration (JMS5G-917EJ/T12/D3/HC/Z) features enhanced materials for corrosive applications, digital HART communication, and specialized diaphragm and process connections, making it ideal for harsh or high-accuracy environments. As a part of Yokogawa’s flagship transmitter family, the EJA110E ensures long-term operation with low maintenance and robust diagnostics features.

Product Specifications

Applications

The EJA110E-JMS5G-917EJ/T12/D3/HC/Z is designed for use in a wide range of industries and applications requiring accurate and stable differential pressure measurement:

• Oil & Gas Production — flow measurement across orifice plates and flow nozzles

• Chemical & Petrochemical — level measurement in pressurized vessels and tanks

• Power Generation — steam and water flow control and boiler feed monitoring

• Water and Wastewater Treatment — monitoring filtration pressure differentials

• Pharmaceutical Manufacturing — ensuring sterile process compliance and repeatability

• Food & Beverage Processing — pressure and flow measurement under hygienic conditions

Advantages

• DPharp Sensor Accuracy: Yokogawa’s digital resonant sensor offers industry-leading ±0.055% accuracy.

• High Reliability: Continuous self-diagnostics and redundant sensors ensure stable performance.

• Fast Response: With a 90 ms response time, it suits fast-changing process conditions.

• Superior Material Options: Hastelloy C diaphragm and stainless-steel body handle aggressive fluids.

• Low Maintenance: Long calibration intervals and diagnostics reduce operational costs.

• Flexible Communication: HART compatibility enables easy integration into existing DCS or PLC systems.

• Robust Environmental Tolerance: Operates in extreme temperatures and humidity with explosion-proof certifications.

Frequently Asked Questions (FAQ)

1. What does the “JMS5G” in the model code signify?

   It refers to the sensor type and span code, defining the pressure range and sensor capabilities.

2. Is the transmitter compatible with HART protocol?

   Yes, it supports HART 5, 6, and 7 protocols for digital communication and diagnostics.

3. Can this model be used in corrosive environments?

   Absolutely. The Hastelloy C diaphragm and stainless-steel body provide excellent corrosion resistance.

4. What is the accuracy of the EJA110E transmitter?

   The reference accuracy is ±0.055% of span under standard conditions.

5. Does it support hazardous area certifications?

   Yes, it is available with ATEX, FM, IECEx, and other explosion-proof certifications.

6. Can I use this for level measurement in pressurized tanks?

   Yes, by measuring differential pressure, it can infer fluid level in closed tanks.

7. Is the display module optional?

   Yes, it can be ordered with or without a local LCD display (Z option includes it).

8. What power supply does the transmitter require?

   It requires 10.5–42 VDC; minimum 17.4 VDC when using HART with a 250-ohm load.

9. What’s the expected lifespan of this device?

   With proper maintenance, it can function reliably for over 10–15 years.

10. Does Yokogawa offer calibration or diagnostics tools?

    Yes, tools like FieldMate and PRM software allow full configuration and diagnostics via HART.