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The Emerson KJ2003X1-BA2 Intelligent Field Transmitter is a high-performance device engineered to deliver precise and reliable flow measurements for various demanding industrial applications. Part of Emerson's Rosemount™ series, this transmitter is designed to provide unparalleled accuracy and operational efficiency. It integrates easily with control systems such as Emerson DeltaV™, HART®, and FOUNDATION™ fieldbus, enabling real-time data access and advanced diagnostics for proactive maintenance. Whether you're working in oil & gas, chemical processing, power generation, or water treatment, the KJ2003X1-BA2 ensures your flow measurement process operates at peak performance. Its versatile design allows compatibility with multiple flow sensors and communication protocols, making it a critical tool for optimizing operations and ensuring regulatory compliance.

Technical Specifications

Specification	Details
Model	Emerson KJ2003X1-BA2
Module Type	Intelligent Field Transmitter
Measurement Range	0.1 to 5000 m³/h (Flow)
Input Type	Differential Pressure, Velocity, Magnetic Flow Inputs
Communication Protocol	HART®, FOUNDATION™ fieldbus, Profibus PA
Output Signal	4–20 mA, Digital (HART)
Accuracy	±0.05% of Span
Temperature Range	-40°C to 85°C (-40°F to 185°F)
Power Supply	12–42 VDC
Dimensions	7.8" x 6.2" x 5.5" (198 mm x 158 mm x 140 mm)
Weight	3.4 lbs (1.54 kg)
Housing Material	Stainless Steel
Ingress Protection	IP66/IP67

Recommended Related Models

For applications requiring enhanced performance or specialized features, explore these related Emerson models:

Emerson KJ2002X1-BA1 – Ideal for basic flow measurement with standard diagnostics and a broad range of compatible sensors.
Emerson Rosemount 3051S – Multi-variable transmitter designed for precise differential pressure and flow measurement with enhanced diagnostics and communication options.
Emerson Rosemount 8700 – A magnetic flow meter that provides accurate, non-intrusive flow measurement for high-velocity and slurry applications.

Popular Emerson Models

Emerson is a global leader in field instrumentation, offering a variety of transmitters for diverse applications. Popular models include:

Emerson Rosemount 3051 – A widely used transmitter for flow, pressure, and level measurement across different industrial sectors.
Emerson Rosemount 2088 – A flexible, cost-effective solution for general-purpose flow measurement.
Emerson Rosemount 644 – An advanced flow meter designed for high accuracy in both liquid and gas flow measurement.

Applications

The Emerson KJ2003X1-BA2 is ideally suited for a wide variety of industrial applications that require precise flow measurement and control:

Oil & Gas: Measures flow in pipelines, wellheads, and pumping stations, ensuring efficient transport of crude, natural gas, and refined products.
Chemical Processing: Provides accurate flow measurement for raw materials, intermediates, and finished product streams in reactors, distillation columns, and mixing processes.
Power Generation: Monitors fuel and coolant flow to optimize turbine efficiency, cooling systems, and overall plant operations.
Water & Wastewater Treatment: Ensures the accurate flow of treated and untreated water throughout treatment plants and distribution networks.
Food & Beverage: Provides critical flow measurement in production lines for liquids, ingredients, and gases, helping maintain product quality and consistency.

Advantages

Exceptional Accuracy: With an accuracy of ±0.05% of span, the KJ2003X1-BA2 offers highly precise flow measurements, making it ideal for critical applications.
Advanced Diagnostics: Equipped with Emerson's patented Smart Diagnostics technology, the transmitter can detect early signs of issues, allowing operators to act proactively and prevent costly downtime.
Flexible Integration: The KJ2003X1-BA2 supports multiple communication protocols, including HART®, FOUNDATION™ fieldbus, and Profibus PA, allowing easy integration into existing control systems.
Rugged Construction: Built to withstand harsh industrial conditions, the KJ2003X1-BA2 features a stainless-steel housing and IP66/IP67 ingress protection, making it resistant to dust, moisture, and chemicals.
Wide Power Supply Range: The transmitter operates across a broad power supply range (12–42 VDC), offering versatility and compatibility with various industrial power systems.

Technical FAQs

What is the flow measurement range of the KJ2003X1-BA2?
The KJ2003X1-BA2 supports flow measurement from 0.1 to 5000 m³/h, making it suitable for both low- and high-flow applications.
What types of flow inputs are compatible with the KJ2003X1-BA2?
This model supports differential pressure, velocity, and magnetic flow inputs, offering flexibility for diverse flow measurement applications.
Which communication protocols are supported?
The KJ2003X1-BA2 supports HART®, FOUNDATION™ fieldbus, and Profibus PA, ensuring seamless integration with a variety of control systems.
What is the accuracy of the KJ2003X1-BA2?
The KJ2003X1-BA2 provides an accuracy of ±0.05% of span, delivering precise and reliable flow measurements critical for process control.
What is the operating temperature range of this transmitter?
The KJ2003X1-BA2 operates in a temperature range of -40°C to 85°C (-40°F to 185°F), making it suitable for a wide range of industrial environments.
What is the power supply requirement for the KJ2003X1-BA2?
The KJ2003X1-BA2 requires a power supply between 12–42 VDC, making it adaptable to a wide variety of industrial setups.
Is the KJ2003X1-BA2 suitable for use in hazardous environments?
Yes, with its stainless-steel housing and IP66/IP67 ingress protection, the KJ2003X1-BA2 is built to withstand challenging industrial environments.
How is the KJ2003X1-BA2 mounted?
The transmitter can be mounted using standard pipe-mounting or panel-mounting techniques, providing flexibility for various installation scenarios.
Can the KJ2003X1-BA2 be used for high-pressure applications?
Yes, the KJ2003X1-BA2 is capable of handling high-pressure flow measurement applications, particularly in industries like oil & gas and chemical processing.
What industries benefit the most from using the KJ2003X1-BA2?
The KJ2003X1-BA2 is ideal for industries such as oil & gas, chemical processing, power generation, water treatment, and food & beverage, where accurate and reliable flow measurement is essential for optimal performance and safety.