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The Emerson KJ2003X1-BK1 Intelligent Field Transmitter is designed to deliver exceptional flow measurement capabilities for complex and critical industrial processes. Part of the Emerson Rosemount™ series, this transmitter provides high-accuracy measurements and offers advanced diagnostics, ensuring reliable operation in even the most challenging environments. With its broad range of compatible sensors and versatile communication protocols, the KJ2003X1-BK1 offers flexibility for integration into various industrial control systems, such as Emerson DeltaV™. This transmitter excels in industries like oil & gas, chemical processing, power generation, and water treatment, where precise flow measurement is crucial for operational efficiency, safety, and compliance with regulatory standards.

Technical Specifications

Specification	Details
Model	Emerson KJ2003X1-BK1
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	7.6" x 6.0" x 5.4" (193 mm x 152 mm x 137 mm)
Weight	3.3 lbs (1.50 kg)
Housing Material	Stainless Steel
Ingress Protection	IP66/IP67

Recommended Related Models

For applications requiring additional features or enhanced performance, consider the following related Emerson models:

Emerson KJ2002X1-BK1 – A similar model with a lower flow range and basic diagnostic capabilities, ideal for standard industrial processes.
Emerson Rosemount 3051S – Provides multi-variable measurement, including flow, pressure, and temperature, with robust diagnostics and high accuracy.
Emerson 8700 Series – A magnetic flow meter solution, designed for highly accurate and non-intrusive flow measurement in challenging applications.

Popular Emerson Models

Emerson’s Rosemount™ line is known for its industry-leading performance and versatility. Popular models include:

Emerson Rosemount 3051 – A flexible and accurate transmitter designed for various flow, pressure, and level measurement applications.
Emerson Rosemount 2088 – Cost-effective, reliable, and simple to install for general-purpose flow and pressure measurements.
Emerson 1151 – A widely used transmitter for temperature, pressure, and level measurement, providing high accuracy and dependability.

Applications

The Emerson KJ2003X1-BK1 is ideal for critical flow measurement applications where accuracy, reliability, and diagnostics are crucial:

Oil & Gas: Flow monitoring in pipelines, wellheads, and processing plants to ensure efficient transportation of fluids and maintain safety standards.
Chemical Processing: Measurement of flow rates in reactors, distillation columns, and pipelines to maintain consistent production and optimize chemical processes.
Power Generation: Flow measurement in cooling systems, fuel supply lines, and turbines, helping to ensure energy efficiency and regulatory compliance.
Water & Wastewater Treatment: Accurate flow measurement of water and chemicals to optimize treatment processes and meet environmental standards.
Food & Beverage: Ensures precise flow measurement of liquids, ingredients, and gases in production lines, maintaining product quality and regulatory compliance.

Advantages

High Accuracy: With an accuracy of ±0.05% of span, the KJ2003X1-BK1 ensures precise flow measurement, ideal for complex and critical applications.
Advanced Diagnostics: Equipped with Emerson’s Smart Diagnostics feature, the transmitter can detect early signs of potential issues, allowing operators to perform predictive maintenance and minimize downtime.
Versatile Communication: Supports multiple communication protocols, including HART®, FOUNDATION™ fieldbus, and Profibus PA, for seamless integration into various control systems.
Rugged and Durable: The KJ2003X1-BK1 is housed in a stainless-steel enclosure with IP66/IP67 ingress protection, ensuring it can withstand harsh environments with exposure to dust, moisture, and chemicals.
Flexible Power Supply: The transmitter operates across a wide power supply range of 12–42 VDC, providing compatibility with different industrial power systems.

Technical FAQs

What is the flow measurement range of the Emerson KJ2003X1-BK1?
The KJ2003X1-BK1 measures flow from 0.1 to 5000 m³/h, suitable for both low- and high-flow applications.
What types of flow inputs does the KJ2003X1-BK1 support?
It supports differential pressure, velocity, and magnetic flow inputs, offering versatility for a variety of industrial flow applications.
Which communication protocols are available for the KJ2003X1-BK1?
The transmitter supports HART®, FOUNDATION™ fieldbus, and Profibus PA communication protocols, making it compatible with most control systems.
What is the accuracy of the KJ2003X1-BK1?
The transmitter provides an accuracy of ±0.05% of span, ensuring precise and reliable flow measurement.
What is the operating temperature range of the KJ2003X1-BK1?
The KJ2003X1-BK1 operates in temperatures ranging from -40°C to 85°C (-40°F to 185°F), making it suitable for diverse industrial environments.
What power supply is required for the KJ2003X1-BK1?
The KJ2003X1-BK1 requires a power supply within the range of 12–42 VDC, offering compatibility with various industrial setups.
Is the KJ2003X1-BK1 suitable for use in hazardous environments?
Yes, with its IP66/IP67 ingress protection and durable stainless-steel housing, the KJ2003X1-BK1 is designed to operate in harsh and hazardous industrial environments.
How is the KJ2003X1-BK1 mounted?
The transmitter can be easily mounted using standard pipe-mounting or panel-mounting techniques, offering flexibility in installation.
Can the KJ2003X1-BK1 be used for high-pressure flow applications?
Yes, it is designed for high-pressure flow measurement applications, making it ideal for industries like oil & gas and chemical processing.
What industries benefit the most from the KJ2003X1-BK1?
The KJ2003X1-BK1 is ideal for industries such as oil & gas, chemical processing, power generation, water treatment, and food & beverage, where precision flow measurement is essential for optimizing processes and ensuring compliance.