Product Introduction
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
| Parameter | Specification |
|---|---|
| Product Name | Yokogawa EJA110E-JMS5G-917EJ/T12/D3/HC/Z |
| Manufacturer | Yokogawa Electric Corporation |
| Series | EJA-E Series |
| Product Type | Differential Pressure Transmitter |
| Sensor Technology | DPharp (Digital Resonant Sensor Technology) |
| Measuring Range (Span) | -100 to +100 kPa (JMS5G sensor code, span code 5G) |
| Reference Accuracy | ±0.055% of span |
| Output Signal | 4–20 mA DC with HART 5/6/7 digital communication |
| Response Time | 90 ms (typical) |
| Process Connection | 1/2–14 NPT (T12 code), direct mount, side connection |
| Diaphragm Material | Hastelloy C (HC code) |
| Wetted Parts Material | Stainless Steel 316L + Hastelloy C (corrosion-resistant) |
| Electrical Connection | 1/2 NPT female conduit with M20 adapter (D3 code) |
| Display | Optional LCD display with configuration buttons (Z option) |
| Explosion Protection | ATEX, FM, IECEx certified (depending on region) |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -40°C to +100°C |
| Power Supply | 10.5 to 42 VDC (17.4 VDC min with HART load) |
| Mounting Position Effect | Negligible (auto-correction by zero adjustment) |
| Dimensions (W × H × D) | 115 × 175 × 110 mm |
| Weight | 3.7 kg |
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:
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Oil & Gas Production — flow measurement across orifice plates and flow nozzles
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Chemical & Petrochemical — level measurement in pressurized vessels and tanks
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Power Generation — steam and water flow control and boiler feed monitoring
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Water and Wastewater Treatment — monitoring filtration pressure differentials
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Pharmaceutical Manufacturing — ensuring sterile process compliance and repeatability
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Food & Beverage Processing — pressure and flow measurement under hygienic conditions
Advantages
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DPharp Sensor Accuracy: Yokogawa’s digital resonant sensor offers industry-leading ±0.055% accuracy.
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High Reliability: Continuous self-diagnostics and redundant sensors ensure stable performance.
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Fast Response: With a 90 ms response time, it suits fast-changing process conditions.
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Superior Material Options: Hastelloy C diaphragm and stainless-steel body handle aggressive fluids.
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Low Maintenance: Long calibration intervals and diagnostics reduce operational costs.
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Flexible Communication: HART compatibility enables easy integration into existing DCS or PLC systems.
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Robust Environmental Tolerance: Operates in extreme temperatures and humidity with explosion-proof certifications.
Frequently Asked Questions (FAQ)
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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. -
Is the transmitter compatible with HART protocol?
Yes, it supports HART 5, 6, and 7 protocols for digital communication and diagnostics. -
Can this model be used in corrosive environments?
Absolutely. The Hastelloy C diaphragm and stainless-steel body provide excellent corrosion resistance. -
What is the accuracy of the EJA110E transmitter?
The reference accuracy is ±0.055% of span under standard conditions. -
Does it support hazardous area certifications?
Yes, it is available with ATEX, FM, IECEx, and other explosion-proof certifications. -
Can I use this for level measurement in pressurized tanks?
Yes, by measuring differential pressure, it can infer fluid level in closed tanks. -
Is the display module optional?
Yes, it can be ordered with or without a local LCD display (Z option includes it). -
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. -
What’s the expected lifespan of this device?
With proper maintenance, it can function reliably for over 10–15 years. -
Does Yokogawa offer calibration or diagnostics tools?
Yes, tools like FieldMate and PRM software allow full configuration and diagnostics via HART.
Related Models (Same Series or Function)
| Model | Description | Key Features |
|---|---|---|
| EJA130E | High Static Pressure Differential Pressure Transmitter | Ideal for deep well and high-pressure applications |
| EJA120E | High Accuracy DP Transmitter | Enhanced accuracy for laboratory or critical use |
| EJA118E | Diaphragm-Sealed DP Transmitter | For corrosive or viscous fluids |
| EJA210E | Gauge Pressure Transmitter | Measures pressure relative to atmosphere |
| EJA310E | Absolute Pressure Transmitter | For vacuum and absolute measurements |
| EJA430E | Gauge Pressure Transmitter (Standard) | Suitable for general pressure monitoring |
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